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7322202 |
Electric motor driven supercharger with air cycle air conditioning system
An inventive air conditioning system includes an air conditioning pack for receiving pressurized air and converting the pressurized air into conditioned air for an aircraft. Pressurized air is...
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7302804 |
Cabin air compressor cooling system
A closed loop cooling system and method for an oil-free electric motor of an aircraft cabin air compressor. A closed-loop fan, which may be coupled to a motor rotor opposite a compressor impeller,...
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7219504 |
Heat dissipation system with an air compressing mechanism
A heat dissipation system, including an air compressor mechanism disposed in a body shell, which has an inlet and enlarged outlet. An air is directed to the air compressor mechanism, and...
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7197884 |
Assembly and method for cryo-preservation of specimens in a cryogen-free environment
A cold cryostorage assembly includes a storage chamber in which specimens can be cryo-preserved. Specimen samples are stored in a vacuum so as to minimize the risk of sample contamination. The...
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7121100 |
High efficiency aircraft cabin air supply cooling system
A thermal management system for an aircraft is provided. The aircraft includes a primary air conditioning system which compresses and cools outside air to create inside air. The inside air...
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7040112 |
Air conditioning system
An air conditioning system for an aircraft in which cabin air is recirculated and mixed with cold air from an air conditioning machine which includes at least an expansion turbine over which warm...
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6928827 |
Control of temperature of supply of pressurized air
A method of, and apparatus, for, controlling the temperature of pressurized air such as bleed air from a gas turbine engine, wherein the air is passed through a heat exchanger to exchange heat with...
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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...
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6910338 |
Apparatus for cooling liquid in a portable container
The present invention is directed to an apparatus for cooling, a liquid in a portable container. The apparatus comprises a housing having a top end and a bottom end. The bottom end is adapted to...
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6792771 |
Air-conditioning apparatus
A cycle-side system ( 20 ) is formed by duct connecting a compressor ( 21 ), a heat exchanger ( 30 ), a demoisturizer ( 22 ), and an expansion device ( 23 ) in that order. The compressor ( 21 )...
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6684660 |
Pneumatic cabin super charger
An aircraft air conditioning air supply system is provided that includes a primary propulsion turbine engine having a bleed valve providing pressurized air. A ram air inlet provides ram air. A...
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6666039 |
Aircraft air conditioner
In an air conditioner, air extracted from engine is fed through a main air flow path into cabin after being cooled by a cooling device. This extracted air is fed into the cabin through an auxiliary...
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6640560 |
Distributed electronic control for air conditioning system
An electronic control for an air conditioning system is provided. The system includes first and second air conditioning packs located in the air craft remote from one another. Each pack includes a...
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6622496 |
External loop nonfreezing heat exchanger
This invention is directed to an external loop nonfreezing heat exchanger for cooling a heat transfer fluid with cryogenic fluid. The cryogenic fluid is first pre-vaporized with the spent cryogenic...
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6595010 |
Air-conditioning system for aircraft
This invention relates to an air-conditioning system for passenger aircraft for conditioning humidity-containing air under excess pressure for air-conditioning a passenger aircraft cabin,...
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6557359 |
Process for heating or cooling using mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms
The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture...
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6484516 |
Method and system for cryogenic refrigeration
A cryocooler system comprising a heat exchanger for cooling a compressed returning warmed cryogenic fluid stream, the heat exchanger having a bypass loop to produce a major stream and a minor...
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6460353 |
Method and apparatus for improved aircraft environmental control system utilizing parallel heat exchanger arrays
A heat exchanger subsystem for an environmental control system comprises a heat exchanger array having a plurality of heat exchanger elements that operate in parallel to an inlet cooling airflow to...
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6449963 |
Aircraft air conditioning system and method
An air conditioning system and method are provided for use in an aircraft having a pressurized area and an unpressurized area. The air conditioning system includes an air conditioning pack located...
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6438994 |
Method for providing refrigeration using a turboexpander cycle
A method for generating refrigeration using a turboexpander or reverse Brayton cycle which can more efficiently generate refrigeration especially to cryogenic temperatures using a defined...
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6331195 |
Coanda water extractor
A water extractor of an environmental control system includes a swirl section and a water collector downstream the swirl section. The water collector includes an upstream sump having an inlet...
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6196020 |
Motor, refrigeration machine or heat pump
When not only integrating the compressor and expander, but also the heat exchanger in one single rotor, a machine working according to the gas turbine process can be simplified. The gas turbine...
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6192692 |
Liquid powered ejector
Continuous cooperative isobaric ejector method, process and apparatus are disclosed. The ejector compressor 10a is used as a primary compression source in a refrigeration system. The isobaric...
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6178759 |
Rupture disk
A rupture disk for a refrigeration unit that, upon bursting, does not interfere with the operation of a downstream, normally closed, mechanical relief valve. The disk is designed to rupture at...
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6070418 |
Single package cascaded turbine environmental control system
An environmental control system includes a single heat exchanger, a single water separator and two air cycle machines on separate spools. Cooling turbines of the air cycle machines are cascaded....
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6014864 |
Cryogenic fluid heat exchanger method and apparatus
A method, and apparatus for implementing the method, utilize cryogenic fluids to cool a fluid. The method includes receiving and allowing expansion of a first compressed cryogenic fluid within a...
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5924293 |
Air cycle environmental control system with fully energy regenerative high pressure water condensation and extraction
An air cycle environmental control system regenerates energy through the provision of a reheater condenser that condenses water vapor from compressed air. The condensed water vapor is extracted by...
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5916249 |
Method and apparatus for the recovery of ammonia refrigerant
A method of and apparatus for recovery of ammonia refrigerant using paired evaporation condensation processes in which an essentially closed water loop is used to efficiently transfer heat energy...
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5842350 |
Refrigerating method and device
The invention relates especially to a refrigerating device comprising a pressure-resistant container (1) furnished with an adsorbent material (2), which device furthermore comprises an adjustably...
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5823008 |
Cold air supply unit
A mobile cold air supply unit which comprises, as housed in a single casing, an air compressor-expander constituted of an integral combination of a motor, an air compressor and an air expander, an...
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5800729 |
Mixtures of pentafluoropropane and a hydrofluorocarbon having 3 to 6 carbon atoms
The invention discloses novel azeotrope-like mixtures of fluorinated compounds which are useful for heating and cooling as heat transfer agents and/or refrigerants. The azeotrope-like mixture...
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5732766 |
Method and apparatus for the treatment of gas streams
Gas at elevated temperature from a compressor (50) is fed to a first cooling coil (14) and thence to a second cooling coil (18) in chamber (16). The cooled gas at line (20) enters a chamber (22)...
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5718116 |
Open loop, air refrigerant, heat pump process for refrigerating an enclosed space
An open loop, air refrigerant heat pump process is set forth for producing a refrigerated atmosphere inside an enclosed space, in particular the enclosed space of a food freezer. A key to the...
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5699672 |
Refrigeration method and apparatus
The invention relates to a novel refrigeration method and apparatus in which air is used as coolant and primary refrigerant. The air is subjected to substantially isothermal compression in a...
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5692381 |
Apparatus for chilling fluids
A chiller for chilling a quantity of fluid in a vessel comprises an adsorbent for receiving and adsorbing under pressure a quantity of gas; sealing means for sealing adsorbed gas in said adsorbent...
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5689968 |
Apparatus for providing a conditioned airflow inside a microenvironment and method
An apparatus for providing a conditioned airflow inside a microenvironment using a portion of the breathing supply diverted to an ejector from a breathing respirator gas stream, is described. The...
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5642629 |
Cooled air cycle system and method for operating such a system
A cooled air cycle system having a compressor (1) for compressing air, heat exchangers (3,4,5) for cooling the compressed air, a water separator (6) for withdrawing water from the compressed air,...
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5545084 |
Method and apparatus for air conditioning two passenger decks of an aircraft
A method and apparatus is provided for air conditioning two passenger decks in an aircraft, especially a high capacity aircraft. The engine tap air stream is provided for air conditioning the upper...
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5524442 |
Cooling system employing a primary, high pressure closed refrigeration loop and a secondary refrigeration loop
A cooling system includes a unit for processing product to be cooled or frozen. A secondary refrigeration loop is connected to this unit and introduces a refrigerant at or near atmospheric pressure...
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5457964 |
Superheat suppression by liquid injection in centrifugal compressor refrigeration systems
This invention is a low pressure refrigeration or air-conditioning system comprising a compressor, a condenser and an evaporator interconnected in series in a closed loop for circulating...
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5412950 |
Energy recovery system
This invention is a gas wave refrigeration method and a corresponding device used in an energy recovery system, which employs a mechanism creating a pulsating flow wave resonant interactions to...
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5361592 |
Refrigerant conservation system
The present invention provides a refrigerant conservation system and method for preventing the release of refrigerant to the atmosphere during high pressure system failure. Refrigerant is delivered...
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5323624 |
Filtered environmental control system
An air conditioning system (10), being powered by a supply of compressed air, includes an air cycle machine (12) and incorporates a pair of regenerable bed filters (44,46). In operation, the...
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5311749 |
Turbine bypass working fluid admission
An air cycle machine (10) has a first stage turbine (60) mounted to a central portion of a common shaft (12), a compressor (50) mounted to the central portion of the shaft (12), a second stage...
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5279130 |
Auxiliary refrigerated air system with anti-icing
To prevent icing in an auxiliary refrigerated air system utilized in jet aircraft for environmental control purposes, wherein high pressure, high temperature input air bleed from the engine...
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5269147 |
Pulse tube refrigerating system
A pulse tube refrigerating system comprising a compressing cavity for compressing a working fluid, a heat radiator connected with the compressing cavity and a regenerator connected with the heat...
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5267449 |
Method and system for cryogenic refrigeration using air
A method and system for cooling air to cryogenic temperatures [e.g., below - 100° F. (- 730° C.)] for use as a refrigerant medium for direct contact cooling of articles such as foodstuffs for...
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5259213 |
Heat pump efficiency enhancer
For use with a heat pump to increase cooling and heating efficiency, between an outdoor condenser and an indoor evaporator, a refrigerant receiver or sub-cooler is provided within the high pressure...
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5249429 |
Methods of operating a refrigeration system
Methods of monitoring the operation of a refrigeration system, including interlocking the selection and operation of an engine and electric motor which are arranged to alternatively function as...
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5181383 |
Refrigerator
In a refrigerator having a compressor settled in a room temperature portion and an expander which is connected to the room temperature portion, a piston of the expander is settled in the room...
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