Matches 1 - 50 out of 130 1 2 3 >
Match Document Document Title
7607313 Vehicle HVAC system  
A HVAC system and method for a vehicle is disclosed. The air conditioning portion of the HVAC system may be able to store and release refrigerant in charge bottle while operating in an air...
7464560 Air conditioner for automobile  
A flow passage through which a heat exchange medium flows is formed at least at a part of each airflow duct 3 to 6 , and the heat exchange medium flowing through the passage (t) is allowed to...
7434415 System and method for using hot gas reheat for humidity control  
A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a...
7389813 Systems and methods for controlling local environment  
The present invention provides systems and methods of controlling local environment. In one embodiment, incoming air enters a contactor such the Direct Contact Cooler-Condenser (DCCC) where the air...
7261150 Apparatus for humidification and temperature control of incoming fuel cell process gas  
A method for humidifying and controlling the temperature of a process gas stream comprising the steps of super-saturating and heating the process gas stream with steam until it reaches a first...
7168258 Real temperature output air conditioner  
A real temperature output air conditioner which lowers the ambient temperature of an interior space to a desired temperature and, once that has been achieved, delivers a constant flow of air at...
7121103 Vehicle air conditioning system  
An automobile air conditioning system controls the high pressure of the refrigeration cycle in a wide range of airflows from a low airflow region during an intermediate period to a high airflow...
7062930 System and method for using hot gas re-heat for humidity control  
A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits. A hot gas re-heat circuit having a hot gas re-heat coil is connected to one of the...
7051801 Method and apparatus for humidification and temperature control of incoming fuel cell process gas  
A method for humidifying and controlling the temperature of a process gas stream comprising the steps of super-saturating and heating the process gas stream with steam until it reaches a first...
7028492 Hybrid dehumidication system  
A hybrid dehumidification system includes a compressor, a condenser, an expansion device and an evaporator connected for flow of working fluid through a fluid circuit; a reheat coil positioned...
6993920 Heater cycling for improved oil return  
A method comprises the steps of (a) providing a refrigeration unit having a refrigerated or heated space and at least one measured operating parameter, (b) providing heat to the refrigerated space...
6976365 Dehumidifier/air-conditioning system  
Apparatus for conditioning air comprising: a quantity of liquid desiccant ( 28 ); a dehumidifier section ( 12 ) in which air to be conditioned is brought into contact with a first portion of the...
6955057 Control scheme and method for dehumidification systems at low ambient conditions  
A method for operating a vapor compression system includes the steps of providing a vapor compression system having a compressor circuit including a compressor having an inlet port and an outlet...
6941770 Hybrid reheat system with performance enhancement  
An economizer loop is incorporated into the refrigerant system, which in conjunction with any selected reheat mode of operation, provides augmented performance, improved reliability, and enhanced...
6935421 Vehicle air conditioner with ejector refrigerant cycle  
An air conditioner includes a compressor for compressing refrigerant, an exterior heat exchanger for performing heat exchange between refrigerant and outside air, an interior heat exchanger for...
6931868 Air conditioning system  
The air conditioning system for conditioning of an airflow stream uses a fluid flow system to control operational modes of heating, cooling, dehumidifying freeze protection and defrost. The fluid...
6920922 Vehicle air conditioner with vapor-compression refrigerant cycle  
An air conditioner includes a compressor for compressing refrigerant, an exterior heat exchanger for performing heat exchange between refrigerant and outside air, an interior heat exchanger for...
6834511 Vehicle air conditioning apparatus  
A vehicle air conditioning apparatus includes a heater core 21 radiating heat of engine coolant to an air stream to be blown off to a vehicle compartment, a sub condenser 4 operative to radiate...
6826921 Air conditioning system with variable condenser reheat for enhanced dehumidification  
A vapor compression air conditioning system, including a heat pump embodiment, provides enhanced dehumidification of supply air to an enclosed space. The refrigerant fluid circuit includes an...
6826920 Humidity controller  
A humidity controller for an air handling unit of a space, room or zone. The controller may be a dehumidification system integrated with a constant volume air handling unit. The system may have...
6792767 Controls for air conditioner  
A control system for a HVAC unit for controlling the humidity and temperature of interior building space at desired levels regardless of the outside temperature and humidity conditions. This system...
6698235 Refrigerant cycle system having discharge function of gas refrigerant in receiver  
A refrigerant cycle system includes a condenser having a condensation portion for condensing refrigerant discharged from a compressor, and a receiver for separating refrigerant from the...
6694757 Multiple stage dehumidification and cooling system  
A multiple stage dehumidification and cooling system wherein a first stage direct expansion dehumidifier operating at its optimum dew point to an entering high humidity, high temperature air stream...
6694756 System and method for multi-stage dehumidification  
A vapor compression system includes at least one vapor compression circuit including a compressor, a condenser, and an expansion device; an evaporator for receiving refrigerant from the vapor...
6672087 Humidity and temperature control in vapor compression system  
A vapor compression system including a vapor compression circuit having a compressor, a condenser, an expansion device and an evaporator serially connected by refrigerant lines; an air flow path...
6666040 Efficient water source heat pump with hot gas reheat  
A five element refrigeration system whereby heating and cooling functions of the system can be accomplished as in a reverse cycle system without needing to reverse the flow of the liquid through...
6658874 Advanced, energy efficient air conditioning, dehumidification and reheat method and apparatus  
An air conditioner controller comprises a supply air duct with an air inlet, an air outlet and a blower. An evaporator is within the duct adjacent to the inlet. A subcooling heat exchanger is...
6644049 Space conditioning system having multi-stage cooling and dehumidification capability  
In accordance with the present invention, a space conditioning system having multi-stage cooling and dehumidification capability is provided. The system includes plural refrigeration circuits...
6622500 Energy-efficient capacity control method for an air conditioning compressor  
An energy-efficient air conditioning control method regulates the capacity of a variable capacity refrigerant compressor based on the compressor suction and discharge pressures and a measure of the...
6612119 Refrigeration circuit with reheat coil  
A refrigeration system with a high percentage of fresh air. The system comprises a supply air duct; an indoor heat exchange coil operably positioned in the supply air duct; a reheat heat exchange...
6595012 Climate control system  
Described is a climate control system with an air conditioning or a heat pump and a method to provide desirable temperature and humidity of indoor air. In addition to a compressor, a condenser, an...
6523359 Environmental control device  
A dehumidifier for swimming pool enclosures includes a first circuit having a condenser, an evaporator, and refrigerant, and a second circuit including the evaporator of the first circuit, a second...
6422308 Heat pump type air conditioner for vehicle  
A heat pump type air conditioner for a vehicle has a refrigeration cycle constituted by a compressor, an external heat exchanger, a refrigerant valve unit and an internal heat exchanger unit. The...
6415621 Aircraft air conditioning system providing auxiliary ventilation  
An air conditioning system for an aircraft includes a first rotatable shaft with a first compressor, a first turbine, a cooling air fan, and an auxiliary compressor connected for rotation...
6321546 Heat transfer system  
A heat transfer system first includes an air conditioner which includes an evaporator. The system further includes a chamber having an air duct including an input end for receiving fresh ambient...
6260366 Heat recycling air-conditioner  
A heat-recycling air conditioner is disclosed, which includes a first loop having a compressor, a condenser and an evaporator and a second loop having a condenser cooling water inlet and an outlet,...
6220042 Method and device for motor vehicle heating and air conditioning monitoring windscreen misting  
6131653 Method and apparatus for dehumidifying and conditioning air  
An air dehumidifying and conditioning system (20) draws incoming air (32) through a fan (40) and uses heat from the fan (40) and fan motor (48) to heat air discharged from the fan. The system then...
6123147 Humidity control apparatus for residential air conditioning system  
A system for controlling the humidity with a residential air conditioning system without compressor or air flow control employs a simple control technique of matching inlet air temperature prior to...
6122923 Charge control for a fresh air refrigeration system  
A refrigeration system comprising: a duct; a compressor having an inlet and an outlet; a reheat coil located in the duct and having an outlet and an inlet operatively connected to the compressor...
6105666 Vehicular air conditioning apparatus  
Described is an apparatus for air conditioning a passenger compartment of an automotive vehicle which achieves a quick warming-up of the passenger compartment. In the air conditioning apparatus, in...
6092377 Air cooled two stage condenser for air conditioning and refrigeration system  
An air cooled two stage condenser constructure for air conditioning and refrigeration system which including a casing define a first chamber and a second chamber, each chamber having a respective...
6079483 Temperature/humidity controller for use in an air conditioner and a recording medium storing temperature/humidity control programs used therefor  
In a main controller for use in an air conditioner for controlling temperature/humidity of an intaken outside air, a controlling line setter (18) sets each of control lines (J 1 -J 5 ) on a...
6055818 Method for controlling refrigerant based air conditioner leaving air temperature  
Precise control of the temperatures of leaving air in an air conditioning system and of leaving water in a water heating system are obtained with a throttling valve whose flow rate is modulated...
6029464 Dehumidifying apparatus of air conditioner and control method thereof  
A dehumidifying apparatus of an air conditioner and a control method thereof by which a heating/dehumidifying operation is performed when a room temperature is lowered. When the room temperature...
6012296 Auctioneering temperature and humidity controller with reheat  
A controller for climate controller system having a humidity and temperature sensor wherein the controller operates to insure that both temperature and humidity are within comfort levels. Wherein...
5992161 Make-up handler with direct expansion dehumidification  
A make-up air handler controls temperature, humidity and/or cleanliness of air. The make-up air handler includes a direct expansion chiller system. The direct expansion chiller may be integral to...
5983989 Method and apparatus for controlling discharged-air temperature for vehicular air-conditioning system  
Disclosed is a system for controlling discharged-air temperature for a vehicular air-conditioning system, comprising a duct, a cooling medium circuit, a heating medium circuit, an air-mixing unit,...
5953926 Heating, cooling, and dehumidifying system with energy recovery  
An improved heating and cooling system is provided which also includes dehumidification and energy recovery capability. The system includes two or more heat pump circuits operating singly or in...
5934084 Air conditioner having a method and apparatus for performing a dry operation to remove humidity during a cooling mode  
A dry operation is performed during a room-cooling mode of an air conditioner by performing a pattern of heating, cooling, and blowing-only steps. The pattern of steps is controlled as a function...
Matches 1 - 50 out of 130 1 2 3 >