FIELD OF DISCLOSURE
The present disclosure relates to dust collector systems.
More specifically, the present disclosure relates to pulse valves used for cleaning filters in dust collector systems.
Definition:
Anti-wicking - is anti-capillary quality or configuration of diaphragms that prevents air loss due to entrapment of air between different layers of materials configuring the diaphragm
BACKGROUND
A dust collector system is a pollution control system used to improve the quality of air released from industrial and commercial processes by removing and collecting dust particulates and other impurities from air or gas. Power plants, steel mills, pharmaceutical producers, food manufacturers, chemical producers and the like industrial companies often use dust collector systems to trap air pollutants and control emission of air pollutants. Different types of industrial dust collector systems include inertial separators, fabric filters, wet scrubbers, electrostatic precipitators, unit collectors and the like.
Filter type dust collector systems typically comprise long fabric bags as filtering media. The bags are generally made from woven or felted cotton, synthetic or glass-fibre material or membranes and are either cylindrical/tube shaped or envelope shaped. Dust laden air/gas entering the dust collector is passed through the fabric bags that act as filters and the dust particles settle on the inner surface of the fabric bags as the dust particles come in contact with the inner surface. Air is drawn through the fabric bags either on the inside or the outside,

depending on the method of cleaning the bags, whereby dust accumulates on the filter media surface. Differential pressure in the dust collector system is measured to determine whether the bags are loaded with dust particles and needs to be cleaned. A significant drop in pressure occurs when air can no longer pass through the bags indicating that the bags need to be cleaned. The dust collector systems generally are operated continuously and cleaning is done while the dust collector system is in operation.
Fabric filter type dust collector systems are typically classified based on their cleaning methods. Common cleaning methods include shaking, reverse air and pulse jet. In pulse jet cleaning, short, powerful bursts of compressed air is injected into the bags in a direction opposite to the direction of normal air flow. The bursts of air cause sudden expansion of the bag and cause the bag surfaces to flex. The flexing of the bag shatters and breaks or dislodges the dust cake settled on the surface of the bags that are generally 8m to 10 m long. More specifically, a pulse valve is in fluid communication with a plurality of bags and supplies a pulse of air that strikes the surface of the bag and dislodges the dust cake settled on the surface of the bag. Additionally, venturies are used in dust collector systems to increase air speed and blow tubes with drilled orifices are located above each row of filter bags such that the orifices are directly above the throat of each venturi. The bags are clamped to venturies. Compressed air gets accelerated by the venturies causing dust to be effectively removed by inertial forces as the bag reaches maximum expansion. The dislodged dust falls down and is collected into a storage hopper located at the bottom of the dust collector system.
Pulse valves are used in the fabric filter dust collector systems to generate and inject bursts of compressed air. Typical, pulse length/time of bursts of compressed air introduced into the bags of the dust collector systems is about

100 milliseconds (ms), while the interval between each pulse is about 3 to 6 minutes. The pulse sequence is generally dependent on the differential pressure measured in the dust collector system. However, a major disadvantage of conventional pulse valves is that the valves do not perform upto their maximum capacity and fail to generate bursts of compressed air capable of dislodging the dust cake settled on the surface of the fabric bag, thereby leading to inefficient cleaning of the bags. Furthermore, due to high pulse length and high response time, pressure and volume of the bursts of air is insufficient to completely clean the bags as well as clean longer bags. As a result, performance of the dust collector system is also greatly reduced since lesser quantity of air gets filtered causing a decrease in the clean air flowing out of the dust collector system. Further, due to inability of conventional pulse valve to generate strong bursts of compressed air, more number of pulse valves are required.
Hence there is a need for a pulse valve for dust collector systems that can perform upto its maximum capacity to efficiently clean the bags and accordingly increase the overall performance of the dust collector system.
OBJECTS
Some of the objects of the present disclosure aimed to ameliorate one or more problems of the prior art or to at least provide a useful alternative are listed herein below.
An object of a pulse valve of the present disclosure is to efficiently clean the filter bags of a dust collector system.
Another object of a pulse valve of the present disclosure is to produce bursts of air with high pressure.

Yet another object of a pulse valve of the present disclosure is to produce bursts of air of large volume.
Still another object of a pulse valve of the present disclosure is to completely clean the filter bags of a dust collector system.
Another object of a pulse valve of the present disclosure is to clean long filter bags of a dust collector system.
Another object of a pulse valve of the present disclosure is to increase air filtering capacity of the filter bags of a dust collector system and thereby increase clean air flow out of the dust collector system.
Another object of a pulse valve of the present disclosure is to improve overall performance of the dust collector system.
Another object of a pulse valve of the present disclosure is to perform up to its maximum capacity.
Other objects and advantages of the present disclosure will be more apparent from the following description when read in conjunction with the accompanying figures, which are not intended to limit the scope of the present disclosure.
SUMMARY
A pulse valve for injecting bursts of compressed fluid for a pre-determined time period and at pre-determined time intervals is disclosed in accordance with an embodiment of the present disclosure. The pulse valve includes a main bonnet, a main diaphragm, a pilot bonnet, an auxiliary diaphragm, a magnetic coil, a pilot exhaust port, and a plurality of main exhaust ports. The main bonnet is

mounted on a valve body mounted over an outlet of a fluid storage tank. The main diaphragm is disposed between the outlet and the main bonnet and defines a first fluid chamber between an operative top of the main diaphragm and internal surface of wall of the main bonnet. A plurality of equidistant bleed holes configured on the main diaphragm for facilitating ingress of fluid from the fluid storage tank to the first fluid chamber to build up pressure inside the first fluid chamber as pressure inside the fluid storage tank builds up, thereby urging the main diaphragm towards a main valve orifice to define closed configuration of the main valve orifice and facilitating sharp closing of the pulse valve and maintaining the valve orifice in the closed configuration. The pilot bonnet is secured to the main bonnet. The auxiliary diaphragm is disposed within the pilot bonnet and defines a second fluid chamber between an operative top of the auxiliary diaphragm and internal surface of wall of the pilot bonnet, wherein the second fluid chamber is in fluid communication with the first fluid chamber via at least one aperture configured on the auxiliary diaphragm, such that pressurized fluid from the first fluid chamber enters the second fluid chamber to build pressure inside the second fluid chamber, thereby urging the auxiliary diaphragm towards a pilot orifice to define a closed configuration of the pilot orifice and maintaining the pilot orifice in the closed configuration. The magnetic coil is coupled to the auxiliary diaphragm and actuates the auxiliary diaphragm upon receiving a trigger. The pilot exhaust port is configured on the pilot bonnet and is in open configuration upon actuation of the auxiliary diaphragm to facilitate evacuation of fluid collected in the second fluid chamber and opening of the pilot orifice. The plurality of main exhaust ports disposed between the first and second fluid chambers and selectively receive fluid collected in the first fluid chamber when the pilot orifice is in open configuration to facilitate opening of the main valve orifice due to evacuation of fluid from above the main diaphragm and comparatively quick actuation of the main diaphragm, thereby facilitating flow of large volume of fluid through the

main valve orifice and sharp opening of the pulse valve for delivering fluid at sonic velocity and at comparatively higher peak pressures.
Generally, the first fluid chamber has comparatively greater volume than the volume of the second fluid chamber.
The main bonnet can be of aluminum die casting.
Alternatively, the main bonnet can be of Stainless steel casting.
Generally, the main diaphragm is of different grades of rubber material reinforced on Polyamide Fabric material.
Alternatively, the main diaphragm can be of synthetic material.
The pilot bonnet can be of aluminum die casting.
Alternatively, the pilot bonnet can be of stainless steel casting.
Generally, the auxiliary diaphragm can be of different grades of rubber material
reinforced on Polyamide fabric material.
Alternatively, the auxiliary diaphragm can be of synthetic flexible plastic material.
In accordance with another embodiment, the auxiliary diaphragm is of elastomeric material.
In accordance with an embodiment, the main diaphragm has six equidistant bleed holes configured thereon.

Further, the pulse valve includes an O-ring seal disposed between the pulse valve and the fluid storage tank to eliminate leakage.
Typically, the main diaphragm has anti-wicking construction, wherein a washer is disposed at top and bottom side of the main diaphragm over each bleed hole and an eyelet passes through the washers securely mounted on the main diaphragm to prevent fluid leakage.
Typically, the trigger is a short electric pulse.
BRIEF DESCRIPTION OF ACCOMPANYNG DRAWING
The system of the present disclosure will now be described with the help of the accompanying drawings, in which:
Figure la illustrates a pictorial representation of a dual exhaust pulse valve of the present disclosure;
Figure lb illustrates a schematic representation of a dual exhaust pulse valve of the present disclosure;
Figure lc illustrates a pictorial representation depicting a sectional view of the dual exhaust pulse valve of figure la;
Figure Id illustrates a schematic representation depicting a sectional view of the dual exhaust pulse valve of figure lb;
Figure 2a illustrates a pictorial representation of a diaphragm assembly of a dual exhaust pulse valve of the present disclosure;

Figure 2b illustrates a schematic representation of the staking of an eyelet in the diaphragm of figure 2a;
Figures 3a, 3b and 3c illustrate a schematic representation of the working of a dual exhaust pulse valve in accordance with an embodiment of the present disclosure;
Figure 4a illustrates a graphical representation of performance curve of a conventional dual exhaust pulse valve;
Figure 4b illustrates a snapshot of a test result of a performance curve of a dual exhaust pulse valve of the present disclosure;
Figure 5a illustrates a pulse response diagram/curve for an air pulse generated by a pulse valve having a main diaphragm with 3 bleed holes in accordance with an embodiment of the present disclosure; and
Figure 5b illustrates a pulse response diagram/curve for an air pulse generated by a pulse valve having a main diaphragm with 6 bleed holes in accordance with another embodiment of the present disclosure.
DETAILED DESCRIPTION OF ACCOMPANYING DRAWING
The pulse valve of the present disclosure will now be described with reference to the embodiments shown in the accompanying drawings. The embodiments do not limit the scope and ambit of the disclosure. The description relates purely to the examples and preferred embodiments of the disclosed method and its suggested applications.

The embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
Pulse valve is used for injecting bursts of compressed fluid, particularly, compressed air for a pre-determined time period and at pre-determined time intervals. Although, the pulse valve of the present disclosure is explained with air as the working fluid and generates pulses of air, however, the pulse valve can be used for handling any other fluid and can generate pulses of any other fluid. Pulse valves are typically used in fabric filter dust collector systems to generate and inject bursts of compressed air and delivering the bursts of compressed air to the fabric bags for facilitating shaking of the fabric bags and dislodging the dust cake settled on the surface of the fabric bag. Further, the pulse valve of the present disclosure can be used for any other application, wherein pulses of fluid are required to be generated at a pre-determined intervals for use in different applications and is not limited to use for cleaning fabric filter dust collector systems. Typical pulse length/time of the bursts of compressed air is about 100 ms, while the interval between each pulse is about 3 to 6 minutes. The pulse sequence is generally dependent on the differential pressure measured in the dust collector system. Pulse valves comprise an exhaust port that releases air entering the valve from an orifice thereby aiding in working of the valve. However, the time taken for air to exhaust out through the exhaust port is more due to restriction in the port orifice. Due to this restriction,

the valves do not perform up to their maximum capacity. The factors affected due to this are pulse length, response time and performance ratio of the valves.
Dual exhaust pulse valve of the present disclosure comprises an additional exhaust port to release air above the diaphragm assisting to close the valve. Due to two exhaust ports, air exhausts out at a faster rate thereby quickly opening the valve and increasing the performance of the pulse valve.
Referring to figures la and lb, a pictorial representation and a schematic representation of a dual exhaust pulse valve (100) of the present disclosure respectively, is illustrated. The pulse valve (100) of the present disclosure includes a magnetic coil (101), a DIN connector (102), a main bonnet (103), a main diaphragm (107), a pilot bonnet (106), specially designed auxiliary diaphragm also referred to as Pilot diaphragm (105), and an O-Ring seal (108) between the valve and a fluid storage tank, particularly an air storage tank. The tank is used to store and facilitates flow air into the valve. In accordance with one embodiment, the DIN connector (102) is rated to Ingress Protection (IP67) standard, the diaphragm is made up of different grades of rubber on Polyamide (PA) fabric as reinforcement material and the valve is of aluminium die casting with specially designed body. The design of the valve provides an optimized flow path for the air and enables a large volume of air to flow out of the valve.
Referring to figures lc and Id, a pictorial representation and a schematic representation of a sectional view of the dual exhaust pulse valve (100) of figures la and lb respectively, is illustrated. The magnetic coil (101) is operatively connected to the pilot diaphragm also referred to as the auxiliary diaphragm (105) enclosed in the pilot bonnet (106) of the valve (100). The Pilot bonnet (106) is secured to the main bonnet (103) that covers the auxiliary diaphragm assembly (105). The pulse valve (100) includes the main diaphragm

(107) with a plurality of equidistant bleed holes that help in closing the main valve orifice "Ol" quickly. In accordance with one embodiment, the main diaphragm (107) includes six equidistant bleed holes (201) and is made in special anti-wicking construction. The bleed holes (201) are equidistantly spaced on the main diaphragm (107) to achieve better force balancing and uniform actuation of the main diaphragm (107). The number of bleed holes (201) configured on the main diaphragm (107) are optimally selected to achieve faster ingress of fluid from the fluid storage tank to space above the main diaphragm (107) and depends of the volume of the first fluid chamber (302), thereby facilitating sharp closing of the pulse valve (100). The main bonnet (103) includes two exhaust ports (104a and 104b) specially designed for faster release of air/fluid from the top of the main diaphragm (107) resulting in sharp opening of said pulse valve (100) and a better response time and higher performance ratio of the valve (100). In accordance with one embodiment, the port size is 3.5 inches.
More specifically, the main bonnet (103) is mounted over valve body (108) which in turn is fitted on an outlet of a fluid storage tank, particularly, an air storage tank. The main diaphragm (107) is disposed between the outlet and the main bonnet (103) and defines a first fluid chamber (302) between an operative top of the valve diaphragm/main diaphragm (107) and the internal surface of wall of the main bonnet (103). The main diaphragm (107) is having a plurality of equidistant bleed holes (201) configured thereon for facilitating ingress of air from the fluid/air storage tank to the first fluid chamber (302) to build up pressure inside the first fluid chamber (302) as pressure inside the fluid storage tank builds up, thereby urging the main diaphragm (107) towards a main valve orifice "Ol" to define closed configuration of the main valve orifice "Ol" and facilitating sharp closing of the pulse valve (100) and maintaining the main valve orifice "Ol" in the closed configuration. The main diaphragm has anti-

wicking construction, wherein a washer is disposed at top and bottom side of the main diaphragm over each bleed hole and an eyelet passes through the washers securely mounted on the main diaphragm to prevent fluid leakage. The leak-proof anti-wicking configuration of the bleed holes on the main diaphragm enables effective utilization of the air without any loss of energy and air due to entrapment of air between layers of material configuring the diaphragm.
The pilot bonnet (106) is secured to the main bonnet (103). The auxiliary diaphragm (105) is disposed within the pilot bonnet (106) and defines a second fluid chamber (304) between an operative top of the auxiliary diaphragm (105) and internal surface of wall of the pilot bonnet (106), wherein the second fluid chamber (304) is in fluid communication with the first fluid chamber (302) via at least one aperture configured on the auxiliary diaphragm (105), such that pressurized fluid from the first fluid chamber (302) enters the second fluid chamber (304) to build pressure inside the second fluid chamber (304), thereby urging the auxiliary diaphragm (105) towards a pilot orifice "02" to define a closed configuration of the pilot orifice "02" and maintaining the pilot orifice "02" in the closed configuration. The magnetic coil (101) is coupled to the auxiliary diaphragm (105) and actuates the auxiliary diaphragm (105) upon receiving a trigger. The pilot exhaust port "E" is configured on the pilot bonnet (106) and is in open configuration upon actuation of the auxiliary diaphragm (105) to facilitate evacuation of air collected in the second fluid chamber (304) and opening of the pilot orifice "02". The plurality of main exhaust ports (104a) and (104b) disposed between the first fluid chamber (302) and the second fluid chamber (304) and selectively receive air collected in the first fluid chamber (304) when the pilot orifice "02" is in open configuration to facilitate opening of the main valve orifice "Ol" due to evacuation of air from above the main diaphragm (107) and comparatively quick actuation of the main diaphragm (107), thereby facilitating flow of large volume of fluid through the main valve

orifice "Ol" and sharp opening of the pulse valve (100) for delivering air at sonic velocity and at comparatively higher peak pressures. The first fluid chamber (302) has comparatively more volume than volume of the second fluid chamber (304). The first fluid chamber (302) has comparatively more volume than volume of the second fluid chamber (304).The main diaphragm (107) is of rubber material with reinforcing material as Polyamide (PA). The main bonnet (103) is of aluminum die casting. The pilot bonnet (106) is of aluminum die casting. The auxiliary diaphragm (105) is of rubber material with reinforcing material as Polyamide (PA) or any other elastomeric material or synthetic flexible material.
The O-ring seal (108) eliminates leakage due to minor surface issues on the mounting flange.
Referring to figure 2a, a pictorial representation of a main diaphragm assembly (107) of a dual exhaust pulse valve (100) of the present disclosure is illustrated. The main diaphragm (107) comprises six equidistant bleed holes (201) that help in closing the main valve orifice "Ol" quickly.
Referring to figure 2b, a schematic representation of the staking of an eyelet in the diaphragm of figure 2a is illustrated. Two washers Wl and W2 are placed at top and bottom side of main diaphragm (107) and located over each bleed hole (201). An eyelet "E" is inserted to pass through the two washers Wl and W2 and the main diaphragm (107) and then the eyelet "E" is staked. Further a bonding solution is applied around these washers Wl and W2, which holds the three components tightly to each other. This arrangement leads to anti-wicking in the main diaphragm (107), i.e. the chance of air leaking through the gap between the diaphragm (107) and the reinforced nylon is arrested.

Referring to figures 3a, 3b and 3c, a schematic representation of the working of a dual exhaust pulse valve (100) in accordance with an embodiment of the present disclosure is illustrated. Initially air is supplied to the front tank (301) of the pulse valve (100). Air enters the space, i.e. the first fluid chamber (302) above the main diaphragm (107) through all the bleed holes (201) of the main diaphragm (107), whereby the pressure of the air keeps the main valve orifice "Ol" closed. The same air enters in the space, i.e. the second fluid chamber (304) above the auxiliary diaphragm (105) whereby air pressure keeps the pilot orifice "02" closed. At the same time air supplied to the header tank creates tank pressure (TP). The magnetic coil (101) operatively connected to the auxiliary diaphragm (105) is given a short electric pulse to trigger the coil (101). Instead of magnetic coil solenoid can also be used. Once triggered, the coil (101) actuates the auxiliary diaphragm (105) thereby opening the pilot orifice "02" and causing air in the space, i.e. second fluid chamber (304) above the auxiliary diaphragm (105) and air in the space, i.e. first fluid chamber (302) above the main diaphragm (107), to exhaust out from the two exhaust ports (104a and 104b) resulting in faster release of air. This fast release of air from the two exhaust ports (104a and 104b) lowers the pressure of air in the space, i.e. the first fluid chamber (302) above the main diaphragm (107). As a result the main diaphragm (107) gets actuated and opens the main valve orifice "Ol" causing a burst of air to flow from the valve (100). Furthermore, the time taken to open the main valve orifice "Ol" is reduced to greater extent due to the two exhaust ports (104a and 104b) thereby facilitating large volume of air to flow out from the valve. As the magnetic coil or solenoid actuates the auxiliary diaphragm (105) that in turn actuates the main diaphragm (107) used for opening and closing of the main valve orifice "Ol", smaller capacity solenoid will be required, particularly, the smaller capacity solenoid can actuate the auxiliary diaphragm (105) that is smaller configuration compared to the main diaphragm (107).

After all the air flows out of the valve (100), the auxiliary diaphragm (105) closes the pilot orifice "02". Air is again supplied to the tank (301) from the IN side of the pulse valve (100) and starts filling the space, i.e. the first fluid chamber (302) above the main diaphragm (107) and in all the bleed holes (201) of the main diaphragm (107). Due to multiple bleed holes (201), the filling is faster whereby the pressure of air actuates the main diaphragm (107) and closes the main valve orifice "Ol" faster. This leads to a better performance of the valve.
Referring to figures 4a and 4b, a graphical representation of the performance curve and a snapshot of a test result respectively, of a dual exhaust pulse valve of the present disclosure are illustrated. Figure 4a represents a general curve in the pulse valve whereas 4b is the snapshot of the test result. Once the electric pulse is applied to the coil and the auxiliary diaphragm opens the pilot orifice, air exhausts out at a faster rate due to the two exhaust ports thereby enabling the valve to utilize full air pressure in the tank of the valve and produce a burst of air of large volume. Referring to Figure 4b, a pulse response diagram/curve for bursts of air generated by the pulse valve (100) is illustrated. The pulse response diagram/curve represents the pulse response of the bursts of air generated with respect to time, by analyzing the curve it is clear that the pulse curve during the opening and closing of the pulse valve is steeper than the curve during opening and closing in case of conventional valves as illustrated in Figure 4a, accordingly with use of pulse valve in accordance with present disclosure sharp opening, sharp closing and maximum peak pressure and maximum volume pulse is achieved. The air inlet of the pulse valve is having such a configuration that the pulse valve achieves maximum volume pulse. With such features, the bursts of air generated by the pulse valve (100) achieve better and efficient cleaning of the filter bags. Furthermore, the response time and the pulse length of the bursts of air are significantly reduced to generate a high peak pressure of

the bursts of air in a blow tube of the dust collector system. In accordance with one test result, the valve response time is reduced from 60 ms to 53 ms, the valve pulse length is reduced from 132 ms to 107 ms and the performance ratio of the valve is increased from 69 to 77.5.
Further referring to Figure 5a, the pulse response diagram/curve for an air pulse generated by a pulse valve (100) having a main diaphragm (107) with 3 bleed holes (201) in accordance with an embodiment of the present disclosure is illustrated. Similarly, Figure 5b, illustrates the pulse response diagram/curve for an air pulse generated by a pulse valve (100) having a main diaphragm (107) with 6 bleed holes (201) in accordance with another embodiment of the present disclosure. From the above Figures, it is clear that the portion of the pulse response diagram depicting the closing of the pulse valve is steeper when the main diaphragm (107) is having 6 bleed holes (201) as illustrated in Figure 5b than compared to the portion of the pulse response diagram depicting the closing of the pulse valve in case of main diaphragm (107) is having 3 bleed holes (201) as illustrated in Figure 5a, accordingly, it may be concluded that the pulse valve having main diaphragm (107) with 6 bleed holes (201) achieves sharp closing of the pulse valve as compared to pulse valve having the main diaphragm (107) with 3 bleed holes (201).
The pulse valve of the present disclosure performs up to its maximum capacity and efficiently cleans the filter bags of the dust collector system. Furthermore, the pulse valve of the present disclosure completely cleans longer bags and more number of bags whereby large volume of air gets filtered, leading to an increase in clean air flowing out of the dust collector system and significant improvement in the overall performance of the dust collector system.

TECHNICAL ADVANCEMENTS AND ECONOMIC SIGNIFICANCE
The technical advancements offered by a pulse valve of the present disclosure include the realization of:
• increase in performance ratio of the pulse valve;
• decrease in response time of the pulse valve;
• decrease in pulse length of bursts of air flowing out of the pulse valve;
• producing bursts of air with high pressure;
• producing bursts of air of large volume;
• efficient cleaning of the filter bags of a dust collector system;
• complete cleaning of the filter bags of a dust collector system;
• cleaning of long filter bags of a dust collector system;
• cleaning of more number of filter bags of a dust collector system;
• increase in air filtering capacity of the filter bags of a dust collector system thereby increase in clean air flow out of the dust collector system;
• improving overall performance of the dust collector system; and
• the pulse valve performing up to its maximum capacity.
Throughout this specification the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element, integer or step, or group of elements, integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps.
Any discussion of materials, devices or the like that has been included in this specification is solely for the purpose of providing a context for the invention. It is not to be taken as an admission that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the invention as it existed anywhere before the priority date of this application.

The numerical values mentioned for the various physical parameters, dimensions or quantities are only approximations and it is envisaged that the values higher/lower than the numerical values assigned to the parameters, dimensions or quantities fall within the scope of the invention, unless there is a statement in the specification specific to the contrary.
The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.

WE CLAIM:
1. A pulse valve for injecting bursts of compressed fluid for a pre-determined time period and at pre-determined time intervals, said pulse valve comprising:
• a main bonnet mounted over a valve body which in turn mounted on an outlet of a fluid storage tank;
• a main diaphragm disposed between said outlet and said main bonnet and adapted to define a first fluid chamber between an operative top of said main diaphragm and internal surface of wall of said main bonnet;
• a plurality of equidistant bleed holes configured on said main diaphragm for facilitating ingress of fluid from said fluid storage tank to said first fluid chamber to build up pressure inside said first fluid chamber as pressure inside said fluid storage tank builds up, thereby urging said main diaphragm towards a main valve orifice to define closed configuration of said main valve orifice and facilitating sharp closing of said pulse valve and maintaining said main valve orifice in said closed configuration;
• a pilot bonnet secured to said main bonnet;
• an auxiliary diaphragm disposed within said pilot bonnet and adapted to define a second fluid chamber between an operative top of said auxiliary diaphragm and internal surface of wall of of said pilot bonnet, wherein said second fluid chamber adapted to be in fluid communication with said first fluid chamber via at least one aperture configured on said auxiliary diaphragm, such that pressurized fluid from said first fluid chamber enters said second fluid chamber to build pressure inside said second fluid chamber, thereby urging said auxiliary diaphragm towards a pilot orifice to

define a closed configuration of said pilot orifice and maintaining said pilot orifice in said closed configuration;
• a magnetic coil coupled to said auxiliary diaphragm and adapted to actuate said auxiliary diaphragm upon receiving a trigger;
• an pilot exhaust port configured on said pilot bonnet and adapted to be in open configuration upon actuation of said auxiliary diaphragm to facilitate evacuation of fluid collected in said second fluid chamber and opening of said pilot orifice;
• a plurality of main exhaust ports disposed between said first and second fluid chambers and adapted to selectively receive fluid collected in said first fluid chamber when said pilot orifice is in open configuration to facilitate opening of said main valve orifice due to evacuation of fluid from above said main diaphragm and comparatively quick actuation of said main diaphragm, thereby facilitating flow of large volume of fluid through said main valve orifice and sharp opening of said pulse valve for delivering fluid at sonic velocity and at comparatively higher peak pressures.

2. The pulse valve as claimed in claim 1, wherein said first fluid chamber has comparatively more volume than volume of said second fluid chamber.
3. The pulse valve as claimed in claim 1, wherein said main bonnet is of aluminum die casting.
4. The pulse valve as claimed in claim 1, wherein said main bonnet is of stainless steel casting.

5. The pulse valve as claimed in claim 1, wherein said main diaphragm is of different grades of rubber material reinforced on Polyamide Fabric material.
6. The pulse valve as claimed in claim 1, wherein said main diaphragm is of synthetic material.
7. The pulse valve as claimed in claim 1, wherein said pilot bonnet is of aluminum die casting.
8. The pulse valve as claimed in claim 1, wherein said pilot bonnet is of stainless steel casting.
9. The pulse valve as claimed in claim 1, wherein said auxiliary diaphragm is of different grades of rubber material reinforced on Polyamide Fabric material.
10.The pulse valve as claimed in claim 1, wherein said auxiliary diaphragm is of synthetic flexible plastic material.
11. The pulse valve as claimed in claim 1, wherein said auxiliary diaphragm is of elastomeric material.
12.The pulse valve as claimed in claim 1, wherein said main diaphragm has six equidistant bleed holes configured thereon.
13.The pulse valve as claimed in claim 1 further comprises an O-ring seal disposed between said pulse valve and said fluid storage tank to eliminate leakage.

14.The pulse valve as claimed in claim 1, wherein said main diaphragm has anti-wicking construction, wherein a washer is disposed at top and bottom side of said main diaphragm over each bleed hole and an eyelet passes through said washers securely mounted on said main diaphragm to prevent fluid leakage.
15.The pulse valve as claimed in claim 1, wherein said trigger is a short electric pulse.