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A Geyser Reliability Testing System

Abstract: A geyser reliability testing system adapted to test reliability of said geyser and its elements, said system comprises: input means adapted to allow a tester to input at parameters in relation to working of said geyser and its elements; mode selection means adapted to select modes of operation for said system in order to test each of said elements; coupling means adapted to selectively couple selective elements of said geyser in relation to said selected mode of operation; actuation means adapted to actuate cyclic operating modes for testing said geyser; monitoring means adapted to monitor various working parameters through the deployment of cyclic modes of operation, look-up table from a stored database used to identify the problematic elements in accordance with pre-defined patterns of problems; and identification means adapted to identify problematic elements using inputs from said current monitoring means, said pressure monitoring means, said water temperature monitoring means and said input parameters from said input means, and said look-up table from said stored database.

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Patent Information

Application #
Filing Date
12 July 2011
Publication Number
09/2012
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application

Applicants

CROMPTON GREAVES LIMITED
CG HOUSE, 6TH FLOOR, DR. ANNIE BESANT ROAD, WORLI, MUMBAI 400 030, MAHARASHTRA, INDIA.

Inventors

1. SARMA BUDHAVARAPU PAVAN SRINIVAS
CROMPTON GREAVES LTD, RELIABILITY CENTRE, CENTRE, GLOBAL R & D, KANJURMARG(EAST), MUMBAI-400042, MAHARASHTRA, INDIA
2. GARG DAMODAR
CROMPTON GREAVES LTD, RELIABILITY CENTRE, CENTRE, GLOBAL R & D, KANJURMARG(EAST), MUMBAI-400042, MAHARASHTRA, INDIA

Specification

FORM 2
THE PATENTS ACT, 1970
(39 of 1970)
As amended by the Patents (Amendment) Act, 2005
AND
The Patents Rules, 2003 As amended by the Patents (Amendment) Rules, 2005
COMPLETE SPECIFICATION (See section 10 and rule 13)
TITLE OF THE INVENTION
A geyser reliability testing system
APPLICANTS:
Crompton Greaves Limited, CG House, 6th Floor, Dr Annie Besant Road, Worli, Mumbai 400 030, Maharashtra, India, an Indian Company
INVENTOR (S):
Sarma Budhavarapu Pavan Srinivas and Garg Damodar of Crompton Greaves Ltd, Reliability Centre, Centre, Global R&D, Kanjurmarg (East), Mumbai- 400042, Maharashtra, India; both Indian National.
PREAMBLE TO THE DESCRIPTION:
The following specification particularly describes the nature of this invention and the manner in which it is to be performed:

Field of the Invention:
This invention relates to the field of electronic and electrical engineering. Particularly, this invention relates to testing systems and testing equipment. More particularly, this invention relates to a geyser reliability testing system.
Background of the Invention:
Water heaters or boiler are equipment which firstly allow the input of a defined quantity of water and then use various systems and principles to heat the water. It typically contains an insulated drum which stores the water for heating and heating equipment to heat the water in the drum.
Its use may be for both residential as well as industrial. The heating system is generally regulated by a thermostat which verifies the operating range of temperature within which the water should be heated. Heating elements are engaged when water temperature falls below a defined temperature and are disengaged when water temperature rises above a defined temperature range.
Further, pressure sensors are also employed in advanced water heaters which sense the pressure of water. The pressure of water needs to be monitored along with the water in order to maintain a safe environment. Expansion / contraction of water and steam may result in stresses in the drum, and monitoring of pressure along with volume and temperature aids in safer controlling environment and safer operating features.
Water heater is subject to a variety of electrical as well as mechanical stresses. Not only the drum, but the entire range of valves, sensors, monitoring system, heating system and the like elements which form a part of the water heater are exposed to continuous use. Each of these individual elements forms a part of the continuous switching elements and has a prescribed duration of longevity.

Cumulatively, a water heater may be warranted or guaranteed for a defined term of life. To prescribe this term under a warranty or a guarantee, and / or reliability, there is a need for a testing system
Prior Art:
CN 101424598 relates to an automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method. It belongs to an automatic constant temperature test system for the heat performance of a solar water heater.
JP 2008064392 relates to a leakage test method for supply water heater. It provides for a new leakage test method for a supply water heater that allows the examination of the leakage of a supply water supply heater
None of the above patents provide a comprehensive testing system and equipment. And moreover, they do not pinpoint the location of the faults which may occur from a plurality of places and elements during various modes of working.
Objects of the Invention:
An object of the invention is to test a geyser.
Another object of the invention is to test individual elements of a geyser.
Yet another object of the invention is to test the various working modes of a geyser.
Still another object of the invention is to test the reliability of a geyser.
An additional object of the invention is to estimate the life of a geyser and / or its component elements.
Yet an additional object of the invention is to provide a system for testing elements of a geyser.
Still an additional object of the invention is to study the failure mode of a water heater and its elements.

Another additional object of the invention is to find plausible reasons for failure of water heater and its elements.
Summary of the Invention:
For the purposes of this specification, a 'geyser' is a water heater or a boiler which stores a pre-defined quantity of water and heats it to pre-defined temperatures, before outputting it according to user need.
According to this invention, there is provided a geyser reliability testing system adapted to test reliability of said geyser and its elements, said system comprises:
a. input means adapted to allow a tester to input at least one parameter from a
plurality of parameters in relation to working of said geyser, said parameter being
in relation to associated elements which co-operate in working of said geyser;
b. mode selection means adapted to select modes of operation for said system in order
to test each of said elements;
c. coupling means adapted to selectively couple selective elements of said geyser in
relation to said selected mode of operation;
d. actuation means adapted to actuate cyclic operating modes for testing said geyser;
e. current monitoring means adapted to monitor current through the deployment of
cyclic modes of operation.
f. pressure monitoring means adapted to monitor pressure through the deployment of
cyclic modes of operation;
g. water temperature monitoring means adapted to monitor water temperature through
the deployment of said actuated cyclic modes of operation;
h. look-up table from a stored database used to identify the problematic elements in
accordance with pre-defined patterns of problems; and i. identification means adapted to identify problematic elements using inputs from
said current monitoring means, said pressure monitoring means, said water
temperature monitoring means and said input parameters from said input means,
and said look-up table from said stored database.

Typically, said input means includes maximum pressure input means adapted to input maximum pressure values up to which the water has to be pressurized in pressurizing mode.
Typically, said input means includes minimum pressure input means adapted to input minimum pressure up to which the water has to be depressurized in depressurizing mode.
Typically, said input means includes input maximum temperature means adapted to input maximum temperature up to which the water has to be heated in heating mode.
Typically, said input means includes minimum temperature input means adapted to input minimum temperature up to which the water has to be heated in heating mode.
Typically, said input means includes cooling water temperature input means adapted to input minimum temperature up to which the water has to be cooled in cooling mode. Typically, said input means includes time limit input means for current transducer adapted to input maximum time up to which the geyser is allowed to heat water to avoid damage to geyser (for safety).
Typically, said input means includes time limit input means for pressure transducer adapted to input maximum time up to which the geyser is allowed to pressurize the water to avoid damage to geyser (for safety).
Typically, said input means includes time input means for cooling cycle adapted to input maximum time up to which the geyser is allowed to cool the water to avoid damage to equipment (for safety).
Typically, said input means includes time input means for depressurization adapted to input maximum time up to which the geyser is allowed to depressurize the water to avoid damage to equipment (for safety).

Typically, said input means includes time input means for high temperature recording adapted to input time up to which the temperature of the outlet (output) water is monitored to capture the highest temperature.
Typically, said input means includes number of cycles' input means adapted to input number of cycles to be completed.
Typically, said mode selection means includes operating modes to operate a mode selected from a group of modes consisting of Filling mode, Pressurizing mode, Heating mode, high temperature recording mode, Depressurizing mode, Cooling mode, Transfer mode, and Safety mode.
Typically, said system includes a group of pre-positioned elements in relation to testing of said geyser, said elements selected from a group of elements consisting of centrifugal pump, booster pump, Non return valve, pressure relief valve, Solenoid valves, water tanks, manual valve, pressure transducer, and temperature sensor.
Typically, said coupling means includes first coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve (MV3) and further adapted to form an open output line by coupling geyser to output water through valve and manual valve, with the open output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively.
Typically, said coupling means includes second coupling means adapted to couple geyser to output through valve and further adapted to couple tank received input water through an input line.
Typically, said coupling means includes third coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve and further adapted to form a closed output line by valve, so that water is stored in between said geyser and said valve,

with the closed output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively.
Typically, said coupling means includes fourth coupling means adapted to couple geyser filled with water with heating elements in order to heat the water.
Typically, said coupling means includes fifth coupling means adapted to couple geyser connected to first tank through non-return valve, solenoid valve, and booster pump.
Typically, said coupling means includes sixth coupling means adapted to couple geyser to another output through pressure relief valve.
Typically, said coupling means includes seventh coupling means adapted to couple first tank to second tank through manual valves, and centrifugal pump.
Typically, said coupling means includes eighth coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve and further adapted to form an open output line by coupling geyser to output water through valve and manual valve, with the open output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively,
According to this invention, there is also provided a geyser reliability testing method adapted to test reliability of said geyser and its elements, said method comprises the steps of: i. allowing a tester to input at least one parameter from a plurality of parameters in relation to working of said geyser, said parameter being in relation to associated elements which co-operate in working of said geyser; ii. selecting modes of operation for said system in order to test each of said elements; iii. coupling selective elements of said geyser in relation to said selected mode of operation;

iv. actuating cyclic operating modes for testing said geyser; v. monitoring current through deployment of cyclic modes of operation. vi. monitoring pressure through the deployment of cyclic modes of operation; vii. monitoring means water temperature through the deployment of said actuated
cyclic modes of operation; viii. storing pre-defined patterns of problems from a look-up table in a stored database;
and ix. identifying problematic elements using inputs of said monitored current, said
monitored pressure, said monitored water temperature said input parameters, and
said look-up table from said stored database.
Typically, said step of identifying includes the step of monitoring current consumed by the geyser, continuously, and outputting error message, "Geyser exceeded maximum time allowed" from said look-up table if the current is consumed continuously till input time limit for Current Transducer and identifying that there may be over scaling of the heating element problem.
Typically, said step of identifying includes the step of monitoring pressure inside the geyser, continuously, and outputting error message, "Pressurization failed" from said look-up table if the required pressure is not reached within the input time limit for Pressure Transducer and identifying that there may be leakage from the tank.
Typically, said step of identifying includes the step of monitoring Pressure inside the geyser, continuously, and outputting error message, "Depressurization failed" from said look-up table if the required pressure is not dropped within the time specified by input Time for depressurization and identifying that problem may be in the multi functional valve of the geyser outlet.
Typically, said step of identifying includes the step of monitoring Water temperature in the geyser, continuously, and outputting error message, "Cooling failed" from said look-

up table if the required temperature is not dropped within the time specified by input Time for cooling cycle and identifying that mixing of the cold water and hot water in the geyser may not be proper indicating problem in equipment or over designed geyser.
Typically, said step of identifying includes the step of monitoring highest water temperature recorded, and outputting error message, "out of temperature range" if recorded temperature is more than input maximum temperature and identifying that thermostat is not working properly.
Typically, said step of identifying includes the step of monitoring highest water temperature recorded, and outputting error message, "less than temperature range" if recorded temperature is less than input minimum temperature and identifying that thermostat is not working properly.
Typically, said step of identifying includes the step of monitoring current consumed by the geyser, continuously, and outputting error message, "Geyser has no current consumption" if current is consumption is zero for a pre-defined input value and identifying that heating element is open electrically.
Typically, said step of actuating cyclic modes includes the steps of:
1. selecting the filling mode;
2. completely filling the geyser with water;
3. selecting whether to test in automatic mode or completely manual mode;
4. filling the geyser (in an automatic mode of operation) with water for pressurizing to required value;
5. switching the geyser ON for heating mode;
6. depressurizing, once heating is completed;
7. activating temperature monitoring mode to measure water temperature;

8. activating cooling mode, which will cool down the water until it matches with set cooling temperature;
9. pressurizing geyser; and
10. repeating each of said steps, cyclically.
Typically, said step of selecting modes of operation includes the step of operating said system in safety mode wherein, if the pressure inside the geyser increases more than set value, then the safety valve is opened and pressure is dropped to required value.
Typically, said step of selecting modes of operation includes the step of operating said system in transfer mode wherein, water is transferred from small tank to major tank, which enables a user to add salts to the water to maintain required water hardness.
Brief Description of the Accompanying Drawings:
The invention will now be described in relation to the accompanying drawings, in which: Figure 1 illustrates a schematic of the system;
Figure 2 illustrates a schematic line / circuit diagram of various elements of the water heater and its interconnections;
Figure 3 illustrates cooling mode interconnections in relation to the schematic of Figure 2;
Figure 4 illustrates depressurizing mode interconnections in relation to the schematic of Figure 2;
Figure 5 illustrates filling mode interconnections in relation to the schematic of Figure 2;
Figure 6 illustrates heating mode interconnections in relation to the schematic of Figure 2;
Figure 7 illustrates pressurizing mode interconnections in relation to the schematic of Figure 2;
Figure 8 illustrates safety mode interconnections in relation to the schematic of Figure 2;

Figure 9 illustrates transfer mode interconnections in relation to the schematic of Figure 2; and
Figure 10 illustrates high temperature recording mode interconnections in relation to the schematic of Figure 2.
Detailed Description of the Accompanying Drawings:
According to this invention, there is provided a geyser reliability testing system.
Figure 1 illustrates a schematic of the system (100).
Figure 2 illustrates a schematic line / circuit diagram of various elements of the water
heater and its interconnections.
Reference alphabets CP refer to Centrifugal pump.
Reference alphabets BP refer to booster pump.
Reference alphabets NRV refer to non return valve.
Reference alphabets PRV refer to pressure relief valve.
Reference alphabets VI, V2, V3, and V4 refer to solenoid valves.
Reference alphabets Tl, T2 refer to water tanks.
Reference alphabets MAV refer to manual valve.
Reference alphabets PT refer to pressure transducer.
Reference alphabets TS refer to temperature sensor.
In accordance with an embodiment of this invention, there is provided an input means (IPM) adapted to allow a tester to input at least one parameter from a plurality of parameters in relation to water heater working. Each of these parameters may be directly related to heater working or indirectly related to heater working by means of being related to its associated elements which co-operate in its working. The parameters are selected from a group of parameters consisting of maximum pressure (PI), minimum pressure (P2), maximum temperature (Tl), minimum temperature (T2), cooling water temperature (CWT), time limit for Current Transducer (TCT), time limit for Pressure Transducer (TPT), Time for cooling cycle (TC), Time for depressurization (TDP), Time for High temperature recording (THTR), and number of cycles (N).

The input parameter, 'maximum pressure (P1)' relates to maximum pressure up to which the water has to be pressurized in pressurizing mode.
The input parameter, 'Minimum pressure (P2)' relates to minimum Maximum pressure up to which the water has to be depressurized in depressurizing mode.
The input parameter, 'Max temperature (T1)' relates to maximum temperature up to which the water has to be heated in heating mode.
The input parameter, 'Minimum temperature (T2)' relates to minimum temperature up to which the water has to be heated in heating mode.
The input parameter, 'Cooling water temperature (CWT)' relates to minimum temperature up to which the water has to be cooled in cooling mode.
The input parameter, 'Time limit for CT (TCT)' relates to maximum time up to which the geyser is allowed to heat water to avoid damage to geyser (for safety).
The input parameter, 'Time limit for PT (TPT)' relates to maximum time up to which the
geyser is allowed to pressurize the water to avoid damage to geyser (for safety).
The input parameter, 'Time for cooling cycle (TC)' relates to maximum time up to which
the geyser is allowed to cool the water to avoid damage to equipment (for safety).
The input parameter, 'Time for depressurization (TDP)' relates to maximum time up to which the geyser is allowed to depressurize the water to avoid damage to equipment (for safety).
The input parameter, 'Time for High temperature recording (THTR)' relates to time up to which the temperature of the outlet (output) water is monitored to capture the highest temperature.
The input parameter, 'Number of cycles (N)' relates to number of cycles to be completed. In accordance with another embodiment of this invention, there is provided a mode selection means (MSM) adapted to select modes of operation for said system in order to

test each of the elements (E). Further, the modes of operation are tested separately, one by one, on the water heater. These modes of operation are carefully designed to operatively select a combination of elements in relation to the geyser such that the successful operation of the mode verifies a positive working condition of an element specific to the mode of operation while the unsuccessful operation of the mode verifies a negative working condition of an element specific to the mode of operation.
The modes of operation are listed as under:
1. Filling mode
2. Pressurizing mode
3. Heating mode
4. high temperature recording mode
5. Depressurizing mode
6. Cooling mode
7. Transfer mode
8. Safety mode
In accordance with yet another embodiment of this invention, there is provided a coupling means (CM) adapted to selectively couple selective elements (from elements seen in Figures 2 to 10) in relation to said selected mode of operation.
Figures 3 to 10 relate to various working modes of the system.
Figure 3 illustrates cooling mode interconnections in relation to the schematic of Figure 2.
Here, the geyser (G) is connected to the first tank (Tl) through valve (VI), centrifugal pump (CP), and manual valve (MV3). Also, the geyser is connected to output water through valve (V2) and manual valve (MAV5). In the output line, temperature sensor (TS), pressure transducer (PT), pressure gauge (PG) are deployed to sense temperature, sense pressure, and regulate pressure respectively.
Figure 4 illustrates depressurizing mode interconnections in relation to the schematic of Figure 2.

Here, the geyser (G) is connected to the output through valve (V4). Also, the tank (T2) received input water.
Figure 5 illustrates filling mode interconnections in relation to the schematic of Figure 2.
Here, the geyser (G) is connected to the first tank (Tl) through valve (VI), centrifugal pump (CP), and manual valve (MV3). Also, the valve (V2) is closed, so water is stored in between geyser (G) and valve (V2), where temperature sensor (TS), pressure transducer (PT), pressure gauge (PG) are deployed to sense temperature, sense pressure, and regulate pressure respectively.
Figure 6 illustrates heating mode interconnections in relation to the schematic of Figure 2. Here, the geyser (G) is filled with water and heating elements are engaged to heat the water.
Figure 7 illustrates pressurizing mode interconnections in relation to the schematic of Figure 2.
Here, geyser (G) is connected to the first tank (Tl) through non-return valve (NRV), valve (V3), and booster pump (BP).
Figure 8 illustrates safety mode interconnections in relation to the schematic of Figure 2. Here, geyser (G) is connected to output through pressure relief valve (PRV). Figure 9 illustrates transfer mode interconnections in relation to the schematic of Figure 2. Here, the first tank (Tl) is connected to the second tank (T2) through manual valve (MV4), manual valve (MV2), centrifugal pump (CP), and manual valve (MV1).
Figure 10 illustrates high temperature recording mode interconnections in relation to the schematic of Figure 2.
Here, geyser (G) is connected to the first tank (Tl) through valve (VI), centrifugal pump (CP), and manual valve (MV3). Also, the geyser is connected to output water through valve (V2) and manual valve (MAV5). In the output line, temperature sensor (TS),

pressure transducer (PT), pressure gauge (PG) are deployed to sense temperature, sense pressure, and regulate pressure respectively.
In accordance with still another embodiment of this invention, there is provided an actuation means (AM) adapted to actuate the cyclic operating modes. First, by selecting the filling mode, the geyser will be completely filled with water. Then selection is done whether to test in automatic mode or completely manual mode. In automatic mode, first it will fill the geyser with water for pressurizing to required value. Then, geyser is switched ON for heating mode. Once heating is completed, and then depressurizing will be activated. After this, temperature monitoring mode will be activated. This will measure the water temperature by using temperature sensor(s). Further, cooling mode will be activated, which will cool down the water until it matches with set cooling temperature. After this, again pressurization will start and this cycle will be continued. There are two extra feature added to this equipment which are additional modes of operation, namely; safety mode and transfer mode.
In safety mode, if the pressure inside the geyser increases more than set value, then the safety valve will be opened and pressure will be dropped to required value. In transfer mode, water will be transferred from small tank to major tank, which will enable a user to add salts to the water to maintain required water hardness.
Simulated Stresses for testing are in relation to Voltage, Temperature cycling, Pressure cycling, Water hardness.
In accordance with an additional embodiment of this invention, there is provided a current monitoring means (CMM) through the deployment of cyclic modes of operation.
In accordance with an additional embodiment of this invention, there is provided a pressure monitoring means (PMM) through the deployment of cyclic modes of operation.

In accordance with an additional embodiment of this invention, there is provided a water temperature monitoring means (WTMM) through the deployment of cyclic modes of operation.
In accordance with yet an additional embodiment of this invention, there is provided a identification means (IM) adapted to identify problematic elements using inputs from said current monitoring means, said pressure monitoring means, said water temperature monitoring means and said input parameters from said input means. A look-up table from a stored database (DB) may be used to identify the problematic element in accordance with pre-defined patterns of problems.
1. The current consumed by the geyser (G) is monitored by current monitoring means (i.e. current transducer), continuously. If the current is consumed continuously till TCT (from input means), the power supply to geyser (G) will be stopped and error message will be displayed as "Geyser exceeded maximum time allowed". This failure mode happens because of over scaling of the heating element (as identified by identification means) most of the times.
2. Pressure inside the geyser (G) is continuously monitored by pressure monitoring means (pressure transducers) and if the required pressure is not reached within the time specified TPT (from input means), then testing will be stopped and error message will be "Pressurization failed" (as identified by identification means). This happens if there is any leak from the tank.
3. Pressure inside the geyser (G) is continuously monitored by pressure monitoring means (pressure transducers) and if the required pressure is not dropped within the time specified TDP (from input means), then testing will be stopped and error message will be "Depressurization failed" (as identified by identification means). This indicates there is problem in the multi functional valve of the geyser outlet.
4. Water temperature in the geyser (G) outlet is continuously monitored by water temperature monitoring means (temperature transducers) and if the required

temperature is not dropped within the time specified TC (from input means), then testing will be stopped and error message will be "Cooling failed" (as identified by identification means). This will indicate that mixing of the cold water and hot water in the geyser is not proper indicating problem in equipment or over designed geyser.
5. If the highest water temperature recorded, by water temperature monitoring means, during high temperature recording mode is more than Tl (from input means), then testing will be stopped and error message will be "out of temperature range" (as identified by identification means). It indicates that thermostat is not working properly. This is because thermostat of the geyser (G) has to monitor the water temperature and cut off the power supply when specified temperature is reached.
6. If the highest water temperature recorded, by water temperature monitoring means, during high temperature recording mode is less than T2 (from input means), then testing will be stopped and error message will be "less than temperature range" (as identified by identification means). It indicates that thermostat is not working properly. This is because thermostat of the geyser (G) has to monitor the water temperature and cut off the power supply when specified temp is reached.
7. The current consumed by the geyser (G) is monitored by current monitoring means (current transducer), continuously. If the current is consumption is zero for 600Sec (or a pre-defined input value from input means), the power supply to geyser (G) will be stopped and error message will be displayed as "Geyser has no current consumption" (as identified by identification means). It indicates heating element is open electrically.
While this detailed description has disclosed certain specific embodiments of the present invention for illustrative purposes, various modifications will be apparent to those skilled in the art which do not constitute departures from the spirit and scope of the invention as defined in the following claims, and it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the invention and not as a limitation.

We claim,
1. A geyser reliability testing system adapted to test reliability of said geyser and its elements, said system comprising:
a. input means adapted to allow a tester to input at least one parameter from a
plurality of parameters in relation to working of said geyser, said parameter being
in relation to associated elements which co-operate in working of said geyser;
b. mode selection means adapted to select modes of operation for said system in
order to test each of said elements;
c. coupling means adapted to selectively couple selective elements of said geyser in
relation to said selected mode of operation;
d. actuation means adapted to actuate cyclic operating modes for testing said geyser;
e. current monitoring means adapted to monitor current through the deployment of
cyclic modes of operation.
f. pressure monitoring means adapted to monitor pressure through the deployment of
cyclic modes of operation;
g. water temperature monitoring means adapted to monitor water temperature
through the deployment of said actuated cyclic modes of operation;
h. look-up table from a stored database used to identify the problematic elements in
accordance with pre-defined patterns of problems; and i. identification means adapted to identify problematic elements using inputs from said current monitoring means, said pressure monitoring means, said water temperature monitoring means and said input parameters from said input means, and said look-up table from said stored database. 2. A system as claimed in claim 1 wherein, said input means includes maximum pressure input means adapted to input maximum pressure values up to which the water has to be pressurized in pressurizing mode.

3. A system as claimed in claim 1 wherein, said input means includes minimum pressure input means adapted to input minimum pressure up to which the water has to be depressurized in depressurizing mode.
4. A system as claimed in claim 1 wherein, said input means includes input maximum temperature means adapted to input maximum temperature up to which the water has to be heated in heating mode.
5. A system as claimed in claim 1 wherein, said input means includes minimum temperature input means adapted to input minimum temperature up to which the water has to be heated in heating mode.
6. A system as claimed in claim 1 wherein, said input means includes cooling water temperature input means adapted to input minimum temperature up to which the water has to be cooled in cooling mode.
7. A system as claimed in claim 1 wherein, said input means includes time limit input means for current transducer adapted to input maximum time up to which the geyser is allowed to heat water to avoid damage to geyser (for safety).
8. A system as claimed in claim 1 wherein, said input means includes time limit input means for pressure transducer adapted to input maximum time up to which the geyser is allowed to pressurize the water to avoid damage to geyser (for safety).
9. A system as claimed in claim 1 wherein, said input means includes time input means for cooling cycle adapted to input maximum time up to which the geyser is allowed to cool the water to avoid damage to equipment (for safety).
10. A system as claimed in claim 1 wherein, said input means includes time input means for depressurization adapted to input maximum time up to which the geyser is allowed to depressurize the water to avoid damage to equipment (for safety).

11. A system as claimed in claim 1 wherein, said input means includes time input means for high temperature recording adapted to input time up to which the temperature of the outlet (output) water is monitored to capture the highest temperature.
12. A system as claimed in claim 1 wherein, said input means includes number of cycles' input means adapted to input number of cycles to be completed.
13. A system as claimed in claim 1 wherein, said mode selection means includes operating modes to operate a mode selected from a group of modes consisting of Filling mode, Pressurizing mode, Heating mode, high temperature recording mode, Depressurizing mode, Cooling mode, Transfer mode, and Safety mode.
14. A system as claimed in claim 1 wherein, said system includes a group of pre-positioned elements in relation to testing of said geyser, said elements selected from a group of elements consisting of centrifugal pump, booster pump, return valve, pressure relief valve, Solenoid valves, water tanks, manual valve, pressure transducer, and temperature sensor.
15. A system as claimed in claim 1 wherein, said coupling means includes first coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve (MV3) and further adapted to form an open output line by coupling geyser to output water through valve and manual valve, with the open output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively.
16. A system as claimed in claim 1 wherein, said coupling means includes second coupling means adapted to couple geyser to output through valve and further adapted to couple tank received input water through an input line.

17. A system as claimed in claim 1 wherein, said coupling means includes third coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve and further adapted to form a closed output line by valve, so that water is stored in between said geyser and said valve, with the closed output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively.
18. A system as claimed in claim 1 wherein, said coupling means includes fourth coupling means adapted to couple geyser filled with water with heating elements in order to heat the water.
19. A system as claimed in claim 1 wherein, said coupling means includes fifth coupling means adapted to couple geyser connected to first tank through non-return valve, valve, and booster pump.
20. A system as claimed in claim 1 wherein, said coupling means includes sixth coupling means adapted to couple geyser to another output through pressure relief valve.
21. A system as claimed in claim 1 wherein, said coupling means includes seventh coupling means adapted to couple first tank to second tank through manual valves, and centrifugal pump.
22. A system as claimed in claim 1 wherein, said coupling means includes eighth coupling means adapted to couple geyser to first tank through valve, centrifugal pump, and manual valve and further adapted to form an open output line by coupling geyser to output water through valve and manual valve, with the open output line consisting of temperature sensor, pressure transducer, pressure gauge being deployed to sense temperature, sense pressure, and regulate pressure respectively.

23. A geyser reliability testing method adapted to test reliability of said geyser and its elements, said method comprising the steps of:
i. allowing a tester to input at least one parameter from a plurality of parameters in relation to working of said geyser, said parameter being in relation to associated elements which co-operate in working of said geyser; ii. selecting modes of operation for said system in order to test each of said
elements; iii. coupling selective elements of said geyser in relation to said selected mode of
operation; iv. actuating cyclic operating modes for testing said geyser; v. monitoring current through deployment of cyclic modes of operation. vi. monitoring pressure through the deployment of cyclic modes of operation; vii. monitoring means water temperature through the deployment of said actuated
cyclic modes of operation; viii. storing pre-defined patterns of problems from a look-up table in a stored database; and ix. identifying problematic elements using inputs of said monitored current, said monitored pressure, said monitored water temperature said input parameters, and said look-up table from said stored database.
24. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring current consumed by the geyser, continuously, and outputting error message, "Geyser exceeded maximum time allowed" from said look-up table if the current is consumed continuously till input time limit for Current Transducer and identifying that there may be over scaling of the heating element problem.
25. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring pressure inside the geyser, continuously, and outputting error message, "Pressurization failed" from said look-up table if the required pressure is not reached

within the input time limit for Pressure Transducer and identifying that there may be leakage from the tank.
26. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring Pressure inside the geyser, continuously, and outputting error message, "Depressurization failed" from said look-up table if the required pressure is not dropped within the time specified by input Time for depressurization and identifying that there may be problem in the multi functional valve of the geyser outlet.
27. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring Water temperature in the geyser, continuously, and outputting error message, "Cooling failed" from said look-up table if the required temperature is not dropped within the time specified by input Time for cooling cycle and identifying that mixing of the cold water and hot water in the geyser may not be proper, indicating problem in equipment or over designed geyser.
28. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring highest water temperature recorded, and outputting error message, "out of temperature range" if recorded temperature is more than input maximum temperature and identifying that thermostat may not be working properly.
29. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring highest water temperature recorded, and outputting error message, "less than temperature range" if recorded temperature is less than input minimum temperature and identifying that thermostat may not be working properly.
30. A method as claimed in claim 1 wherein, said step of identifying includes the step of monitoring current consumed by the geyser, continuously, and outputting error message, "Geyser has no current consumption" if current is consumption is zero for a pre-defined input value and identifying that heating element is open electrically.

31. A method as claimed in claim 1 wherein, said step of actuating cyclic modes includes
the steps of:
1. selecting the filling mode;
2. completely filling the geyser with water;
3. selecting whether to test in automatic mode or completely manual mode;
4. filling the geyser (in an automatic mode of operation) with water for pressurizing to required value;
5. switching the geyser ON for heating mode;
6. depressurizing, once heating is completed;
7. activating temperature monitoring mode to measure water temperature;
8. activating cooling mode, which will cool down the water until it matches with set cooling temperature;
9. pressurizing geyser; and
10. repeating each of said steps, cyclically.

32. A method as claimed in claim 1 wherein, said step of selecting modes of operation includes the step of operating said system in safety mode wherein, if the pressure inside the geyser increases more than set value, then the safety valve is opened and pressure is dropped to required value.
33. A method as claimed in claim 1 wherein, said step of selecting modes of operation includes the step of operating said system in transfer mode wherein, water is transferred from small tank to major tank, which enables a user to add salts to the water to maintain required water hardness.

Documents

Application Documents

# Name Date
1 1995-MUM-2011- AFR.pdf 2023-04-21
1 ABSTRACT1.jpg 2018-08-10
2 1995-MUM-2011-AbandonedLetter.pdf 2018-08-10
2 1995-MUM-2011-FORM 9(3-2-2012).pdf 2018-08-10
3 1995-mum-2011-form 3.pdf 2018-08-10
3 1995-mum-2011-abstract.pdf 2018-08-10
4 1995-MUM-2011-FORM 26(12-8-2011).pdf 2018-08-10
4 1995-mum-2011-claims.pdf 2018-08-10
5 1995-mum-2011-form 2.pdf 2018-08-10
5 1995-MUM-2011-CORRESPONDENCE(12-8-2011).pdf 2018-08-10
6 1995-mum-2011-form 2(title page).pdf 2018-08-10
6 1995-MUM-2011-CORRESPONDENCE(21-7-2011).pdf 2018-08-10
7 1995-MUM-2011-FORM 18(3-2-2012).pdf 2018-08-10
7 1995-MUM-2011-CORRESPONDENCE(3-2-2012).pdf 2018-08-10
8 1995-mum-2011-form 1.pdf 2018-08-10
8 1995-mum-2011-correspondence.pdf 2018-08-10
9 1995-mum-2011-description(complete).pdf 2018-08-10
9 1995-MUM-2011-FORM 1(21-7-2011).pdf 2018-08-10
10 1995-mum-2011-drawing.pdf 2018-08-10
10 1995-MUM-2011-FER.pdf 2018-08-10
11 1995-mum-2011-drawing.pdf 2018-08-10
11 1995-MUM-2011-FER.pdf 2018-08-10
12 1995-mum-2011-description(complete).pdf 2018-08-10
12 1995-MUM-2011-FORM 1(21-7-2011).pdf 2018-08-10
13 1995-mum-2011-correspondence.pdf 2018-08-10
13 1995-mum-2011-form 1.pdf 2018-08-10
14 1995-MUM-2011-CORRESPONDENCE(3-2-2012).pdf 2018-08-10
14 1995-MUM-2011-FORM 18(3-2-2012).pdf 2018-08-10
15 1995-MUM-2011-CORRESPONDENCE(21-7-2011).pdf 2018-08-10
15 1995-mum-2011-form 2(title page).pdf 2018-08-10
16 1995-MUM-2011-CORRESPONDENCE(12-8-2011).pdf 2018-08-10
16 1995-mum-2011-form 2.pdf 2018-08-10
17 1995-mum-2011-claims.pdf 2018-08-10
17 1995-MUM-2011-FORM 26(12-8-2011).pdf 2018-08-10
18 1995-mum-2011-form 3.pdf 2018-08-10
18 1995-mum-2011-abstract.pdf 2018-08-10
19 1995-MUM-2011-FORM 9(3-2-2012).pdf 2018-08-10
19 1995-MUM-2011-AbandonedLetter.pdf 2018-08-10
20 ABSTRACT1.jpg 2018-08-10
20 1995-MUM-2011- AFR.pdf 2023-04-21

Search Strategy

1 Search_27-03-2017.pdf