Patents for F25B 27 - Machines, plant, or systems, using particular sources of energy (5,773)
06/1992
06/23/1992US5123257 Transport refrigeration system
06/17/1992EP0490811A1 Device and method for the production of energy
06/16/1992US5121610 Air cycle air conditioner for heating and cooling
06/02/1992US5117648 Refrigeration system with ejector and working fluid storage
05/1992
05/27/1992CN2105648U Solar energy refrigerating device
05/26/1992US5115644 Method and apparatus for condensing and subcooling refrigerant
05/06/1992CN1060906A Transport refrigeration system
04/1992
04/30/1992WO1992007170A2 Refrigerant power unit and method for refrigeration
04/30/1992DE4033891A1 Expeller-absorption unit - is for periodically working solar-heated absorption refrigerator
04/29/1992EP0482921A2 Transport refrigeration system
04/25/1992CA2053451A1 Transport refrigeration system
04/16/1992WO1992006338A1 Refrigeration method and apparatus utilizing an expansion engine
04/14/1992US5105096 Transport refrigeration system with stand-by compressor drive motor also operable as a generator
03/1992
03/31/1992US5099651 Gas engine driven heat pump method
03/19/1992WO1992004584A1 Heat pump system
03/19/1992CA2090467A1 Heat pump system
03/12/1992DE4026308A1 Cold-heat power coupling for motor vehicle - has linear combustion engine andcondenser with exhaust heat used for driving refrigeration machine
03/04/1992EP0267960B1 Auxiliary air conditioning, heating and engine warming system for trucks
02/1992
02/12/1992CN1058642A Solar energy differential pressure refrigerating plant
02/11/1992US5086625 Air-cycle air conditioning system
02/04/1992US5085269 Hydraulically driven heating and air conditioning system for vehicles such as mobile cranes
01/1992
01/21/1992US5082049 Heat generator for use with an absorption airconditioning system for automobiles
01/16/1992DE4106046A1 Cold-air refrigerating system - uses air from IC engine turbocharger expanded and cooled in air turbine
01/15/1992EP0374179A4 Intermittent solar ammonia absorption cycle refrigerator
01/14/1992US5079929 Multi-stage refrigeration apparatus and method
12/1991
12/25/1991CN2091433U Solar energy adsorption ice-made unit
12/18/1991EP0246275B1 Thermally powered engine
11/1991
11/26/1991US5067557 Machine unit consisting of a rotary piston internal combustion engine and a rotary piston compressor
11/20/1991CN2089148U 风力冰箱 Wind refrigerator
11/19/1991CA1292125C Combustion-powered refrigeration with decreased fuel consumption
11/14/1991DE4109818A1 Verfahren und vorrichtung zum tiefkuehlen elektrischer hohlleiter stromdurchflossener spulen Coil method and device for tiefkuehlen electrical hollow conductor through which current flows
10/1991
10/15/1991US5056330 Refrigerating system for use in vehicle with engine which enables selective use of commercial ac power and a generator driven by the engine for driving the refrigerant compressor
09/1991
09/24/1991CA1289371C Integrated cascade refrigeration system
09/11/1991EP0445510A2 Heating and electric generator plant
09/10/1991USRE33687 Auxiliary air conditioning, heating and engine warming system for trucks
09/10/1991US5046326 Transport refrigeration system
09/05/1991DE4006742A1 Stirling engine heating and electric current generating plant - includes hydrocarbon-field boiler, heat exchangers as well as alternator driven by engine
08/1991
08/21/1991EP0442146A1 Process for recovery of hydrocarbons
07/1991
07/25/1991DE4041603A1 Forced cooling of esp. particle accelerator induction coils - spraying liq. coolant uniformly onto internal wall of hollow conductor and recirculating after evapn.
07/24/1991CN2081512U Solar energy refrigeration mobile food cabinet
07/17/1991CN1053118A Transport refrigeration system including methods and apparatus for optimizing same
07/09/1991US5029449 Heat pump booster compressor arrangement
07/03/1991EP0435535A2 A transport refrigeration system including methods and apparatus for optimizing same
06/1991
06/29/1991CA2031371A1 Transport refrigeration system including methods and apparatus for optimizing same
06/25/1991US5025631 Cogeneration system with low NOx combustion of fuel gas
06/04/1991US5020320 Engine driven heat pump system
05/1991
05/15/1991EP0427282A1 Car air conditioner
05/02/1991DE4031955A1 Low-temp. cooling of tubular electric conductors of induction coils - with conductor acting as evaporator tube, for particle accelerators, magnetic tomography, and induction heating, uses waste-heat
04/1991
04/25/1991DE4033551A1 Air-conditioning system for vehicle with rotary cab - includes radiator valve opened for heating or dehumidification, or both, but closed for air-cooling mode
04/24/1991CN1050927A Adsorption refrigerating machine using waste heat refrigerating
04/16/1991CA1282969C Absorbtion type refrigeration system with thermal energy recovery, particularly for vehicles provided with an internal combustion engine
04/02/1991US5003788 Gas engine driven heat pump system
03/1991
03/20/1991EP0181375B1 Heat pump energized by low-grade heat source
03/19/1991US5000011 Engine driven air conditioning apparatus
03/13/1991EP0382754A4 Absorption heat pumped cogeneration engine
03/07/1991DE3929317A1 Thermodynamic system using combustion engine - has absorption heat pump for waste heat recovery for max efficiency
03/05/1991US4996845 Cooling, heating and power generating device using automobile waste heat
03/02/1991CA2022204A1 Air delivery system for a transport refrigeration unit
02/1991
02/21/1991WO1991002149A1 Variable gas spring for matching power output from fpse to load of refrigerant compressor
02/19/1991US4993234 Solar collector absorption cooling system
02/12/1991US4991400 Engine driven heat pump with auxiliary generator
01/1991
01/30/1991EP0196298B1 Method and device for operation of a heating plant
01/29/1991US4987750 Air conditioning apparatus
01/03/1991DE3920398A1 Verfahren zur reduzierung der auf tanklagern, tankwagen-fuellstellen und schiffen anfallenden kohlenwasserstoff-emissionen und anlage zur durchfuehrung des verfahrens A method for reducing the tax due on tank farms, tankers filling stations and ships hydrocarbon emissions and plant for carrying out the method
01/01/1991US4981019 Solar powered portable food container
12/1990
12/18/1990US4977752 Transport refrigeration including methods and apparatus for optmizing same
12/11/1990US4976464 Fuel-fired heat pump system
12/11/1990US4976114 Air conditioning unit having an internal combustion engine which is suitable for mounting on the roof of a building
11/1990
11/28/1990CN1047381A Refrigerating system for use in vehicle with engine which enables selective use of commercial ac power source and generator driven by engine for driving refrigerant compressor
11/22/1990EP0398743A2 Refrigerating system for use in vehicles
11/20/1990US4970873 Engine starting device for multiple engine-driven air conditioner
11/19/1990CA2017261A1 Refrigerating system for use in vehicle with engine which enables selective use of commercial ac power and a generator driven by the engine for driving the refrigerant compressor
11/17/1990CA2014348A1 Transport refrigeration system with stand-by compressor drive motor also operable as a generator
10/1990
10/30/1990US4966014 Solar absorption refrigeration
09/1990
09/10/1990CA2011847A1 Fuel-fired heat pump system
08/1990
08/28/1990US4951477 Air conditioning system
08/22/1990EP0382754A1 Absorption heat pumped cogeneration engine
08/09/1990WO1990008928A1 Method of effecting heat transfer and apparatus for use in the method
07/1990
07/31/1990CA1272037A1 Fluid flow control system
07/24/1990US4943003 Control device for heat pump with hot-water supply facility
07/24/1990US4942734 Cogeneration of electricity and liquid carbon dioxide by combustion of methane-rich gas
07/05/1990DE3920058A1 Solar-operated absorber refrigeration appts. - has driver within refrigeration circuit incorporated directly in solar collector
07/05/1990DE3843913A1 Heat increaser
07/03/1990CA2006498A1 Bottoming cycle
06/1990
06/27/1990EP0374179A1 Intermittent solar ammonia absorption cycle refrigerator.
06/27/1990CN2058735U Manpower refrigerator
06/27/1990CN1043383A Method and apparatus for operating refrigeration system
06/26/1990US4936109 System and method for reducing gas compressor energy requirements
06/19/1990US4934158 Refrigerating system for use in vehicle with engine which enables selective use of commercial AC power source and a generator driven by the engine for driving a refrigerant compressor
06/06/1990EP0266367B1 System for the recovery of discharged heat contained in the waste air from paper machine drier
05/1990
05/23/1990DE3838849A1 Drying apparatus for compressed air
05/15/1990US4924676 Adsorption cooler
05/09/1990EP0244435B1 Multiple energy generator with integrated thermal cycle
05/08/1990US4922727 Air delivery system for a transport refrigeration unit
05/01/1990US4920750 Heat exchanging system for power generation
04/1990
04/25/1990EP0365351A2 Method and apparatus for operating a refrigeration system
04/24/1990US4920276 Heat-and-electricity supply system
04/24/1990US4918937 Hybrid thermal powered and engine powered automobile air conditioning system
04/03/1990US4912929 Variable gas spring for matching power output from FPSE to load of refrigerant compressor
03/1990
03/20/1990US4910414 Bottoming cycle
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