DESC:FIELD OF THE INVENTION
This invention relates to the field of air coolers. More particularly, the air cooler combined with refrigeration system and an innovative method of no addition of humidity.
BACKGROUND OF THE INVENTION
Global warming causes an increase in the temperature of the earth. Therefore, summer is getting hotter and winters are getting less cold. Because of hotter summer, the demand for air cooler and air conditioners, has increased. Air conditioners are much costlier, but air cooler can be found almost in every house.
Also, Air conditioner consume much amount of energy which will have a direct impact on the environment and also running cost is too high. The air coolers have one problem with them as they add water into the air and which after some time will not be bearable. Also, the air cooler sis not suitable in the high humid environment.
Thus, there is need of present invention to solve the problem of air conditioner as well as air coolers.
OBJECTIVE OF THE INVENTION
The main objective of the present invention is to develop a air cooler that provide comfort to human being and consume less energy than air conditioner and also cost less than it.
Another objective of the present invention is to develop an easy and cost-effective air cooler that cool down the air without adding any humidity.
Yet another objective of the present invention is to provide cooling in the high humid environment as well.
Yet another objective of the present invention is to effectively help the user.
Yet another objective of the present invention is to provide a cleaner environment.
Yet another objective of the present invention is to provide a system that can cut down cost of operation of cooling for user by reducing energy consumption.
Further objectives, advantages, and features of the present invention will become apparent from the detailed description provided hereinbelow, in which various embodiments of the disclosed invention are illustrated by way of example
SUMMARY OF THE INVENTION
The present invention relates to an air cooler with refrigeration system for indirect evaporative cooling of air without adding a humidity. The air cooler includes a water tank, a water pump, a water circulating pipe, an indirect heat exchanger, a humidifier pad, a motor and a refrigeration system. The water tank stores the water. The water pump is submerged in water of the water tank. The water circulating pipe carries water. The water pump is connected to the indirect heat exchanger through the water circulating pipe. Thus the water pump transfers water from the water tank to the indirect heat exchanger. The humidifier pad is connected to the indirect heat exchanger through the water circulating pipe. The water from the indirect heat exchanger is pour on to the humidifier pad. The water from the humidifier pad is poured back to the water tank. The motor is installed between the indirect heat exchanger and the humidifier pad. The motor includes an indirect heat exchanger fan, and an humidifier pad fan. The humidifier pad fan blows ambient air towards the humidifier pad thus ambient air gets cooled and humid. The refrigeration system includes a compressor, a refrigeration cycle tubing , a condenser, an expansion valve, and a cooling coil. The compressor compresses the refrigerant. Thus increasing the pressure and temperature of the refrigerant. The condenser is connected to the compressor through the refrigeration cycle tubing . The refrigerant flows from the compressor to the condenser that is aligned parallel to the humidifier pad. The cold and humid ambient air from the humidifier pad blows toward the condenser. Thus condensing the refrigerant inside the condenser. The expansion valve is connected to the condenser through refrigeration cycle tubing that carries the condensed refrigerant to the expansion valve. In the expansion valve the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases. The cooling coil is connected to the expansion valve through the refrigeration cycle tubing. The cooling coil is aligned parallel to the indirect heat exchanger. The humidifier pad fan the cooling coil and the indirect heat exchanger are installed inside the room. The indirect heat exchanger fan blows the room air that passes through the indirect heat exchanger and the cooling coil. Thus room air gets cooled and dry. Herein, the indirect heat exchanger cools down the room air and the cooling coil remove humidity from the room air and again cools down the room air. Herein, the refrigerant temperature increases and pressure decreases in the cooling coil, the refrigerant from the cooling coil flows back to the compressor.

The main advantage of the present invention is that cooling of air without adding moisture content in it.
Another advantage of the present invention developed an easy and cost-effective air cooler that is better than the conventional air cooler.
Yet another advantage of the present invention that present invention effectively help the user.

BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings are incorporated in and constitute a part of this specification to provide a further understanding of the invention. The drawings illustrate one embodiment of the invention and together with the description, serve to explain the principles of the invention.
Fig1.illustrates an air cooling system with refrigeration system incorporated.
DETAILED DESCRIPTION OF THE INVENTION
Definition
The terms “a” or “an”, as used herein, are defined as one or as more than one. The term “plurality”, as used herein, is defined as two as or more than two. The term “another”, as used herein, is defined as at least a second or more. The terms “including” and/or “having”, as used herein, are defined as comprising (i.e., open language). The term “coupled”, as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically.
The term “comprising” is not intended to limit inventions to only claiming the present invention with such comprising language. Any invention using the term comprising could be separated into one or more claims using “consisting” or “consisting of” claim language and is so intended. The term “comprising” is used interchangeably used by the terms “having” or “containing”.
Reference throughout this document to “one embodiment”, “certain embodiments”, “an embodiment”, “another embodiment”, and “yet another embodiment” or similar terms means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of such phrases or in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics are combined in any suitable manner in one or more embodiments without limitation.
The term “or” as used herein is to be interpreted as an inclusive or meaning any one or any combination. Therefore, “A, B or C” means any of the following: “A; B; C; A and B; A and C; B and C; A, B and C”. An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.
As used herein, the term "one or more" generally refers to, but is not limited to, singular as well as the plural form of the term.
The drawings featured in the figures are to illustrate certain convenient embodiments of the present invention and are not to be considered as a limitation to that. The term "means" preceding a present participle of an operation indicates the desired function for which there is one or more embodiment, i.e., one or more methods, devices, or apparatuses for achieving the desired function and that one skilled in the art could select from these or their equivalent is given the disclosure herein and use of the term "means" is not intended to be limiting.
Fig.1 illustrates an air cooler with refrigeration system and indirect evaporative cooling for cooling air without adding humidity. The air cooler(100) includes a water tank(102), a water pump(108), a water circulating pipe(104), an indirect heat exchanger(106), a humidifier pad(110), a motor(112) and a refrigeration system(118). The water tank(102) stores the water. The water pump(10) is submerged in water of the water tank(102). The water circulating pipe(104) carries water. The water pump(108) is connected to the indirect heat exchanger(106) through the water circulating pipe(104). The humidifier pad(110) is connected to the indirect heat exchanger(106) through the water circulating pipe(104). The water from the indirect heat exchanger(106) is pour on to the humidifier pad(110). The water from the humidifier pad(110) is poured back to the water tank(102). The motor(112) is installed between the indirect heat exchanger(106) and the humidifier pad(110). The motor(112) includes an indirect heat exchanger fan(114), and an humidifier pad fan(116). The humidifier pad fan(116) blows ambient air towards the humidifier pad(110) thus ambient air gets cooled and humid. The refrigeration system(118) includes a compressor(128), a refrigeration cycle tubing (122), a condenser(120), an expansion valve(124), and a cooling coil(126). The condenser (120) is connected to the compressor(128) through the refrigeration cycle tubing (122). The condenser(120) is aligned parallel to the humidifier pad(110). The expansion valve(124) is connected to the condenser(120) through refrigeration cycle tubing(122) that carries the condensed refrigerant to the expansion valve(124). The cooling coil(126) is connected to the expansion valve(124) through the refrigeration cycle tubing(122). The cooling coil(126) is aligned parallel to the indirect heat exchanger(106). The humidifier pad fan(116) the cooling coil(126) and the indirect heat exchanger(106) are installed inside the room. The indirect heat exchanger fan(114) blows the room air that passes through the indirect heat exchanger(106) and the cooling coil(126). Thus room air gets cooled and dry.

The present invention relates to an air cooler with refrigeration system for indirect evaporative cooling of air without adding a humidity. The air cooler includes a water tank, a water pump, a water circulating pipe, an indirect heat exchanger, a humidifier pad, a motor and a refrigeration system. The water tank stores the water. The water pump is submerged in water of the water tank. The water circulating pipe carries water. The water pump is connected to the indirect heat exchanger through the water circulating pipe. Thus the water pump transfers water from the water tank to the indirect heat exchanger. The humidifier pad is connected to the indirect heat exchanger through the water circulating pipe. The water from the indirect heat exchanger is pour on to the humidifier pad. The water from the humidifier pad is poured back to the water tank. The motor is installed between the indirect heat exchanger and the humidifier pad. The motor includes an indirect heat exchanger fan, and an humidifier pad fan. The humidifier pad fan blows ambient air towards the humidifier pad thus ambient air gets cooled and humid. In an embodiment, the humidifier pad is selected from honey comb pad. The refrigeration system includes a compressor, a refrigeration cycle tubing , a condenser, an expansion valve, and a cooling coil. The compressor compresses the refrigerant. Thus increasing the pressure and temperature of the refrigerant. In an embodiment, the compressor, is controlled with a PLC controller that switches on-off the compressor as per the requirement to save energy. In an embodiment, the compressor uses Brushless motors. In an embodiment, the compressor has cooling capacity: 420W @ASHRAE 32LBP.The condenser is connected to the compressor through the refrigeration cycle tubing . The refrigerant flows from the compressor to the condenser that is aligned parallel to the humidifier pad. The cold and humid ambient air from the humidifier pad blows toward the condenser. Thus condensing the refrigerant inside the condenser. The expansion valve is connected to the condenser through refrigeration cycle tubing that carries the condensed refrigerant to the expansion valve. In the preferred embodiment, herein the expansion valve is an electronic valve. In the expansion valve the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases. The cooling coil is connected to the expansion valve through the refrigeration cycle tubing. The cooling coil is aligned parallel to the indirect heat exchanger. The humidifier pad fan the cooling coil and the indirect heat exchanger are installed inside the room. The indirect heat exchanger fan blows the room air that passes through the indirect heat exchanger and the cooling coil. Thus room air gets cooled and dry.

Herein, the indirect heat exchanger cools down the room air and the cooling coil remove humidity from the room air and again cools down the room air.
Herein, the refrigerant temperature increases and pressure decreases in the cooling coil, the refrigerant from the cooling coil flows back to the compressor.

In an embodiment, the present invention relates to an air cooler with refrigeration system for indirect evaporative cooling of air without adding a humidity. The air cooler includes one or more water tanks, one or more water pumps, a water circulating pipe, one or more indirect heat exchangers, one or more humidifier pads, a motor and a refrigeration system. The one or more water tanks stores the water. The one or more water pumps is submerged in water of the one or more water tanks. The water circulating pipe carries water. The one or more water pumps is connected to the one or more indirect heat exchangers through the water circulating pipe. Thus the one or more water pumps transfers water from the one or more water tanks to the one or more indirect heat exchangers. The one or more humidifier pads is connected to the one or more indirect heat exchangers through the water circulating pipe. The water from the one or more indirect heat exchangers is pour on to the one or more humidifier pads. The water from the one or more humidifier pads is poured back to the one or more water tanks. The motor is installed between the one or more indirect heat exchangers and the one or more humidifier pads. The motor includes an indirect heat exchanger fan, and an humidifier pad fan. The humidifier pad fan blows ambient air towards the one or more humidifier pads thus ambient air gets cooled and humid. In an embodiment, the one or more humidifier pads is selected from honey comb pad. The refrigeration system includes one or more compressors, a refrigeration cycle tubing , one or more condensers, one or more expansion valves, and one or more cooling coils. The one or more compressors compresses the refrigerant. Thus increasing the pressure and temperature of the refrigerant. In an embodiment, the one or more compressors , is controlled with a PLC controller that switches on-off the one or more compressors as per the requirement to save energy. In an embodiment, the one or more compressors uses Brushless motors. In an embodiment, the one or more compressors has cooling capacity: 420W @ASHRAE 32LBP.The one or more condensers are connected to the one or more compressors through the refrigeration cycle tubing . The refrigerant flows from the one or more compressors to the one or more condensers that is aligned parallel to the one or more humidifier pads. The cold and humid ambient air from the one or more humidifier pads blows toward the one or more condensers. Thus condensing the refrigerant inside the one or more condensers. The one or more expansion valves are connected to the one or more condensers through refrigeration cycle tubing that carries the condensed refrigerant to the one or more expansion valves. In the preferred embodiment, herein the one or more expansion valves are an electronic valve. In the one or more expansion valves the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases. The one or more cooling coils are connected to the one or more expansion valves through the refrigeration cycle tubing. The one or more cooling coils are aligned parallel to the one or more indirect heat exchangers. The humidifier pad fan the one or more cooling coils and the one or more indirect heat exchangers are installed inside the room. The indirect heat exchanger fan blows the room air that passes through the one or more indirect heat exchangers and the one or more cooling coils. Thus room air gets cooled and dry.

Herein, the one or more indirect heat exchangers cool down the room air and the one or more cooling coils remove humidity from the room air and again cools down the room air.
Herein, the refrigerant temperature increases, and pressure decreases in the one or more cooling coils, the refrigerant from the one or more cooling coils flows back to the one or more compressors.
In an embodiment, the present invention related to a method for indirect evaporative cooling of air without adding a humidity. The method includes:
a water tank transfers water from the water tank to the indirect heat exchanger;
the water from the indirect heat exchanger is pour on to the humidifier pad;
the water from the humidifier pad is poured back to the water tank ;
a motor is installed between the indirect heat exchanger and the humidifier pad;
a compressor compresses the refrigerant thus increasing the pressure and temperature of the refrigerant;
the refrigerant flows from the compressor to the condenser that is aligned parallel to the humidifier pads;
the humidifier pad fan blows ambient air towards the humidifier pad thus ambient air gets cooled and humid;
the cold and humid ambient air from the humidifier pad blows toward the condenser thus condensing the refrigerant inside the condenser;

In, expansion valve the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases;
the cooling coil is aligned parallel to the indirect heat exchanger;
the humidifier pad fan the cooling coil and the indirect heat exchanger are installed inside the room;
the indirect heat exchanger fan blows the room air that passes through the indirect heat exchanger and the cooling coil;
the indirect heat exchanger cools down the room air and the cooling coil remove humidity from the room air and again cools down the room air;
the refrigerant temperature increases and pressure decreases in the one or more cooling coils, the refrigerant from the cooling coil flows back to the compressor.
In an embodiment, the present invention related to a method for indirect evaporative cooling of air without adding a humidity. The method includes:
one or more water tanks transfer water from the one or more water tanks to the one or more indirect heat exchangers;
the water from the one or more indirect heat exchangers is pour on to the one or more humidifier pads;
the water from the one or more humidifier pads is poured back to the one or more water tanks;
a motor is installed between the one or more indirect heat exchangers and the one or more humidifier pads;
one or more compressors compress the refrigerant thus increasing the pressure and temperature of the refrigerant;
the refrigerant flows from the one or more compressors to one or more condensers that are aligned parallel to the one or more humidifier pads;
the humidifier pad fan blows ambient air towards the one or more humidifier pads thus ambient air gets cooled and humid;
the cold and humid ambient air from the one or more humidifier pads blows toward the one or more condensers thus condensing the refrigerant inside the one or more condensers;

In, one or more expansion valves the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases;
one or more cooling coils are aligned parallel to the one or more indirect heat exchangers;
the humidifier pad fan the one or more cooling coils and the one or more indirect heat exchangers are installed inside the room;
the indirect heat exchanger fan blows the room air that passes through the one or more indirect heat exchangers and the one or more cooling coils;
the one or more indirect heat exchangers cool down the room air and the one or more cooling coils remove humidity from the room air and again cools down the room air;
the refrigerant temperature increases, and pressure decreases in the one or more cooling coils, the refrigerant from the one or more cooling coils flows back to the one or more compressors.
,CLAIMS:I/WE CLAIMS
1. An air cooler(100) with refrigeration system for indirect evaporative cooling of air without adding a humidity, the air cooler(100) comprises:

an at least one water tank (102), the at least one water tank (102) stores the water;
an at least one water pump(108), the at least one water pump(10) is submerged in water of the at least one water tank (102);

a water circulating pipe(104), the water circulating pipe(104) carries water;

an at least one indirect heat exchanger(106), the at least one water pump(108) is connected to the at least one indirect heat exchanger(106) through the water circulating pipe(104), thus the at least one water pump(108) transfers water from the at least one water tank (102) to the at least one indirect heat exchanger(106);

an at least one humidifier pad(110), the at least one humidifier pad(110)is connected to the at least one indirect heat exchanger(106) through the water circulating pipe(104), wherein the water from the at least one indirect heat exchanger(106) is pour on to the at least one humidifier pad(110), the water from the at least one humidifier pad(110) is poured back to the at least one water tank (102);
a motor(112), the motor(112) is installed between the at least one indirect heat exchanger(106) and the at least one humidifier pad(110), the motor(112) having
an indirect heat exchanger fan(114), and
an humidifier pad fan(116), the humidifier pad fan(116) blows ambient air towards the at least one humidifier pad(110) thus ambient air gets cooled and humid;
a refrigeration system(118), the refrigeration system(118) having
an at least one compressor(128), the at least one compressor(128) compresses the refrigerant thus increasing the pressure and temperature of the refrigerant,
a refrigeration cycle tubing (122),

an at least one condenser(120), the at least one condenser(120) is connected to the at least one compressor(128) through the refrigeration cycle tubing (122), the refrigerant flows from the at least one compressor(128) to the at least one condenser(120) that is aligned parallel to the at least one humidifier pad(110), wherein, the cold and humid ambient air from the at least one humidifier pad(110) blows toward the at least one condenser(120) thus condensing the refrigerant inside the at least one condenser(120),

an at least one expansion valve(124), the at least one expansion valve(124) is connected to at least one condenser(120) through refrigeration cycle tubing (122) that carries the condensed refrigerant to the at least one expansion valve(124), wherein in the at least one expansion valve(124) the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases,
an at least one cooling coil(126), the at least one cooling coil(126) is connected to the at least one expansion valve(124) through the refrigeration cycle tubing(122), wherein the at least one cooling coil(126) is aligned parallel to the at least one indirect heat exchanger(106), the humidifier pad fan(116) the at least one cooling coil(126) and the at least one indirect heat exchanger(106) are installed inside the room, the indirect heat exchanger fan(114) blows the room air that passes through the at least one indirect heat exchanger(106) and the at least one cooling coil(126) thus room air gets cooled and dry,

Wherein, the at least one indirect heat exchanger(106) cools down the room air and the at least one cooling coil(126) remove humidity from the room air and again cools down the room air,
wherein, the refrigerant temperature increases and pressure decreases in the at least one cooling coil(126), the refrigerant from the at least one cooling coil(126) flows back to the at least one compressor(128).
2. The system(100) as claimed in claim 1, wherein the expansion valve(124) is an electronic valve.
3. The system(100) as claimed in claim 1, wherein the at least one compressor(128), is controlled with a PLC controller that switches on-off the at least one compressor(110) as per the requirement to save energy.
4.The system(100) as claimed in claim 1, wherein the at least one compressor(128) uses Brushless motors.
5. The system(100) as claimed in claim 1, wherein at least one compressor(128) has cooling capacity: 420W @ASHRAE 32LBP.
6. The system(100) as claimed in claim 1, wherein the at least one humidifier pad(110) is selected from honey comb pad.
7. The system(100) as claimed in claim 1, wherein the method for indirect evaporative cooling of air without adding a humidity, the method comprises:
an at least one water tank (102) transfers water from the at least one water tank (102) to the at least one indirect heat exchanger(106);
the water from the at least one indirect heat exchanger(106) is pour on to the at least one humidifier pad(110);
the water from the at least one humidifier pad(110) is poured back to the at least one water tank (102);
a motor(112) is installed between the at least one indirect heat exchanger(106) and the at least one humidifier pad(110);
an at least one compressor(128) compresses the refrigerant thus increasing the pressure and temperature of the refrigerant;
the refrigerant flows from the at least one compressor(128) to an at least one condenser(120) that is aligned parallel to the at least one humidifier pad(110);
the humidifier pad fan(116) blows ambient air towards the at least one humidifier pad(110) thus ambient air gets cooled and humid;
the cold and humid ambient air from the at least one humidifier pad(110) blows toward the at least one condenser(120) thus condensing the refrigerant inside the at least one condenser(120);

In, an at least one expansion valve(124) the condensed refrigerant undergo expansion process thus pressure and temperature of the condensed refrigerant decreases;
an at least one cooling coil(126) is aligned parallel to the at least one indirect heat exchanger(106);
the humidifier pad fan(116) the at least one cooling coil(126) and the at least one indirect heat exchanger(106) are installed inside the room;
the indirect heat exchanger fan(114) blows the room air that passes through the at least one indirect heat exchanger(106) and the at least one cooling coil(126);
the at least one indirect heat exchanger(106) cools down the room air and the at least one cooling coil(126) remove humidity from the room air and again cools down the room air;
the refrigerant temperature increases and pressure decreases in the at least one cooling coil(126), the refrigerant from the at least one cooling coil(126) flows back to the at least one compressor(128).