Class 62/88 - With reheat of gas stream

Subclass of Class 62 - Refrigeration
Definition: Processes in which the gas stream is reheated subsequent
No. of patents: 37
Last issue date: 04/29/2008

Number	Title	Issue Date
7363767	Multi-stage pulse tube cryocooler A three-stage pulse-tube cryocooler, in which the third stage pulse tube is arranged below the second stage pulse tube, with a gas flow conduit between the second stage pulse tube heat exchanger and the cold end of the second stage regenerator. The design of the inv...	04/29/2008
7334423	Dual mode condensing cycle An air conditioning system is provided that includes first and second turbines and a compressor. The second turbine is in fluid communication with a pack outlet. A passage fluidly connects the first turbine and the pack outlet. A valve is associated with the passage...	02/26/2008
7334422	Cabin air conditioning system with liquid cooling for power electronics An air conditioning system is provided with a cooling air ram that includes both air-to-air heat exchangers, and a liquid sink heat exchanger. The liquid sink heat exchanger receives a cooling fluid that has been utilized to cool a power electronics control for an e...	02/26/2008
7322207	Air refrigerant cooling apparatus and air refrigeration system using the air refigerant cooling apparatus An air refrigerant cooling apparatus has magnetic bearings with high reliability and high efficiency. The air refrigerant cooling apparatus includes a motor having a first magnetic bearing and a second magnetic bearing for supporting a shaft, a compressor and an exp...	01/29/2008
7314356	Fluid machine An outer end of a seal element for a fixed scroll is extended to a position close to an end of an inside spiral wall of the fixed scroll, and an outwardly extended portion is formed at an outer periphery of a disc-shaped base plate of a movable scroll, so that a bot...	01/01/2008
7305842	Environmental control system and method for an aircraft An environmental control system for an aircraft having an air pump that is powered by bleed air from an engine of the aircraft. Although the air pump is powered by engine bleed air, the air pump draws ambient fresh air from outside the aircraft, compresses the fresh...	12/11/2007
7272947	Water producing method and apparatus A water producing system adapted to condense water from the air and collected in a storage tank were the water is purified and bacteria is killed. One form of killing the bacteria is utilizing an ozone injection system with a filter system to remove the ozone before...	09/25/2007
7188488	Pack and a half condensing cycle pack with combined heat exchangers The present invention provides an air generation unit (AGU) including a pressurized air source, such as an engine providing pressurized air. First and second air cycle machine (ACM) are fluidly connected to the pressurized air source for receiving the air. A heat ex...	03/13/2007
7181919	System utilizing waste heat of internal combustion engine A waste heat energy recovery system has a refrigerant cycle and a Rankine cycle. When the cycle operation is changed from the refrigerant cycle to the Rankine cycle, an expansion device is started after the pump is started. When the cycle operation is changed from t...	02/27/2007
7178324	External combustion engine An external combustion engine comprises a compressor assembly, a heater assembly, an expander assembly, a cooler assembly, and auxiliary systems. The preferred embodiment of this invention uses fossil fuel as the main source of energy, and water substance for the wo...	02/20/2007
7143606	Combined air separation natural gas liquefaction plant In an integrated process and apparatus for the separation of air by cryogenic distillation and liquefaction of natural gas in which at least part of the refrigeration required to liquefy the natural gas is derived from at least one cryogenic air distillation plant c...	12/05/2006
7077892	Air purification system and method The air purification system and method for purifying and cooling air for use in a building has an air pollutant removal stage, an air pre-cooling unit, and a dual cooling and water removal unit, including a cyclone separator having a cooling coil wrapped around the ...	07/18/2006
7069731	Cooling apparatus Cooling apparatus for use on a vehicle. The apparatus includes a heat exchanger in which heat is removed from a heat load by a coolant, and first and second coolant supplies. The first coolant supply is adapted to receive a first coolant and to supply the first cool...	07/04/2006
7000425	Manifold for pack and a half condensing cycle pack with combined heat exchangers An air generation unit includes first and second air cycle machines (ACMs), each having first and second turbines. A manifold is arranged between the first and second ACMs and is in fluid communciation with each of the first and second turbines of the first and seco...	02/21/2006
6966198	Air-cycle air conditioning system for commercial refrigeration A refrigeration and air-cycle air conditioning system is provided for a body defining interior space, preferably a stand alone refrigeration cabinet. The air conditioning system includes a unique combination of a compressor, intercooler, expander, motor and plenum t...	11/22/2005
6948325	Air conditioning system and method of testing An air conditioning system for conditioning a supply of hot pressurised air for use in an environment the system including a primary heat exchanger in which heat in the hot pressurised air supply is exchanged with a cooling fluid, a compressor to compress the supply...	09/27/2005
6928832	Electrically driven aircraft cabin ventilation and environmental control system The present invention relates to an electrically driven aircraft cabin and ventilation and environmental control system. The system includes at least one inlet for capturing ram air, an electrically driven compressor for pressurizing the ram air, and a thermal condi...	08/16/2005
6925818	Air cycle pre-cooling system for air separation unit The method of processing air prior to separation of such air into gaseous components, the steps that include: first compressing a stream of air and cooling the compressed air, to enable water separation and removal from the stream, to provide a dry stream of air; th...	08/09/2005
6427471	Air cycle machine and air conditioning system using the same In an air cycle machine, a turbine is driven by an engine bleed air, and the turbine power is mechanically transmitted to a compressor to compress the engine bleed air or open air. An electric motor may be provided to electrically drive the compressor, if...	08/06/2002
6408641	Hybrid turbine coolant system Air is extracted from a pressurized air source. An air-to-air heat exchanger (115) receives and cools the extracted pressurized air. Further, an expansion turbine (130) receives at least a portion of the cooled pressurized air from the air-to-air heat exc...	06/25/2002
6301923	Method for generating a cold gas A method for generating refrigeration for application to a heat load, especially at very cold temperatures, using an environmentally benign working gas such as air and using an upstream precooling circuit to reduce or eliminate inefficiencies stemming fro...	10/16/2001
6257003	Environmental control system utilizing two air cycle machines An environmental control system and method are provided for conditioning water-vapor compressed air for supply as conditioned air. The environmental control system (8) includes two air cycle machines (9, 10) that rotate independent of each other. The air ...	07/10/2001
6250097	Dual expansion energy recovery (DEER) air cycle system with mid pressure water separation A liquid-to-air cycle system for conditioning water vapor bearing air and cooling a liquid load comprises an air cycle subsystem and a liquid cycle subsystem. The air cycle subsystem includes a first air-to-air heat exchanger, a reheater downstream of the...	06/26/2001
6250096	Method for generating a cold gas A method for generating refrigeration for application to a heat load, especially at very cold temperatures, using an environmentally benign working gas such as air and using an upstream precooling circuit to reduce or eliminate inefficiencies stemming fro...	06/26/2001
6148622	Environmental control system no condenser high pressure water separation system An air cycle environmental control system for high pressure water separation omits a condenser heat exchanger and includes a reheater capable of placing compressed air in a heat exchange process to condense water vapor. A first turbine is in direct flow c...	11/21/2000
6041615	Air cycle air conditioning system An air cycle air conditioning system including a turbine for receiving air and providing expansion thereof, thus lowering the temperature and pressure of the air, an air--air heat exchanger defining a first air flow path for air to be cooled and a second ...	03/28/2000
6006537	Method of cooling air A method of air cooling supplied from atmosphere has the steps of subdividing an airstream into a first airstream portion and the second airstream portion, compressing the first airstream portion by compression waves to a required pressure, compressing th...	12/28/1999
5701755	Cooling of aircraft electronic heat loads Improved cooling of electronic heat loads aboard aircraft is achieved in a system including a sealable aircraft cabin (10), first and second electronic heat loads (38), (40) and a means (42) for maintaining a desired pressure within the cabin (10). A rota...	12/30/1997
5373707	Air conditioning system An air cycle air conditioning system including an air-air heat exchanger defining a first air flow path for air to be cooled and a second air flow path for air to pass therethrough and absorb heat from the air to be cooled and apparatus for supplying air ...	12/20/1994
5086622	Environmental control system condensing cycle In an air cycle environmental control system, a condenser (46) removes water vapor from compressed, ambient, supply air (9) before it is expanded in a first turbine (24). The chilled outlet air (49) from the first turbine (24) is then used as coolant in t...	02/11/1992
5014518	ECS with advanced air cycle machine An air cycle machine for use within an Environmental Control System (ECS) operating in conjunction with a turbine engine. The air cycle machine includes two turbines commonly mounted on a shaft with a compressor. The air cycle machine is designed to direc...	05/14/1991
4702758	Turbine cooling waxy oil A stream of gas and waxy oil is cooled by an expansion turbine to form a wax/oil slurry, and the slurry is pipeline transported without wax deposition in the pipeline and/or to prevent melting of permafrost along the pipeline right of way....	10/27/1987
4178766	Thermodynamic compressor method A method for the thermodynamic assisted compression of gases wherein a gas is alternately compressed and expanded with addition of heat regeneratively. The basic method is applicable to a variety of uses such as gas compression, turbines and in heat tempe...	12/18/1979
4106304	Thermodynamic compressor A method and apparatus for the compression of compressible fluids wherein a fluid is first compressed within a constant volume with addition of heat, and then further compressed in a compressor means increasing the fluid pressure and temperature. After co...	08/15/1978
4015438	Air cycle air conditioning system for vehicles Air at substantially ambient pressure is cooled in a heat exchanger and introduced into an enclosure for cooling. The air is withdrawn from the enclosure and a portion of the air is expanded through a turbine for additional cooling and passed through the ...	04/05/1977
4014179	Air conditioning system for aircraft Inlet air for an internal combustion engine in an airplane is expanded through a turbine to lower its pressure and temperature and is passed through a water chiller wherein heat exchange and evaporative cooling substantially lower the temperature of the w...	03/29/1977
3992891	Process for recovering energy from liquefied gases In a process for recovering the energy from a liquefied gas by evaporation in heat exchange with a cycle medium which is simultaneously cooled, said cycle medium being thereafter compressed, heated, subjected to engine expansion and recovered in a cyclica...	11/23/1976

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Class 62/88 - With reheat of gas stream