Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 1 - Compression machines, plant or systems with non-reversible cycle
Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
08/1981
08/18/1981US4283920 Refrigerating device
08/12/1981EP0033560A2 Method of refrigeration and a refrigeration system
08/11/1981US4282719 Control system for regulating large capacity rotating machinery
08/11/1981US4282718 Evaporator inlet water temperature control system
07/1981
07/28/1981US4280334 Water condensate recovery device
07/07/1981CA1104359A1 Slush freezer with creased fingers
06/1981
06/30/1981US4275987 Adjustable surge and capacity control system
06/24/1981EP0030636A2 Screw compressor-expander cryogenic system with magnetic coupling
06/16/1981US4272967 Self-contained portable air-conditioning system
06/02/1981US4270361 Energy management controller for centrifugal water chiller
05/1981
05/27/1981EP0029141A2 Heat pump
05/19/1981US4268291 Series compressor refrigeration circuit with liquid quench and compressor by-pass
05/19/1981US4267705 Refrigeration purging system
05/19/1981CA1101234A1 Vapor-jet heat pump
05/05/1981CA1100320A1 Hot gas bypass control for centrifugal liquid chillers
04/1981
04/21/1981US4263540 Two-speed refrigerant motor compressor
04/21/1981US4262488 System and method for controlling the discharge temperature of a high pressure stage of a multi-stage centrifugal compression refrigeration unit
04/14/1981US4261180 Refrigerator
04/14/1981US4261177 Method and apparatus for exchanging heat with a condensable fluid
04/14/1981CA1099369A1 Temperature control system for refrigeration apparatus
04/14/1981CA1099121A1 Fluidic time delay system
04/08/1981EP0026400A2 Method and apparatus for satisfying heating and cooling demands
04/07/1981US4260335 Process for the compression of steam and thermal circuits for its implementation
04/07/1981US4259848 Refrigeration system
03/1981
03/31/1981US4258553 Vapor compression refrigeration system and a method of operation therefor
03/25/1981EP0025665A1 A cooling system
03/24/1981US4257795 Compressor heat pump system with maximum and minimum evaporator ΔT control
03/24/1981CA1097934A1 Heat pump system compressor fault detector
03/10/1981US4254632 Method and apparatus for satisfying heating and cooling demands and control therefor
03/10/1981US4254631 Method and apparatus for satisfying heating and cooling demands and control therefor
03/03/1981US4253315 Refrigerated air dryer
02/1981
02/24/1981US4252003 Reduced power consumption air conditioning
02/24/1981US4251998 Hydraulic refrigeration system and method
02/24/1981US4251996 Heat reclaiming method and apparatus
02/17/1981US4250721 Heat pump
02/17/1981US4250715 Heat transfer systems
02/03/1981USRE30499 Injection cooling of screw compressors
02/03/1981US4248055 Hot gas bypass control for centrifugal liquid chillers
02/03/1981US4248049 Temperature conditioning system suitable for use with a solar energy collection and storage apparatus or a low temperature energy source
02/03/1981CA1094836A1 Heat pumps
01/1981
01/27/1981US4246763 Heat pump system compressor fault detector
01/20/1981US4245476 Solar augmented heat pump system with automatic staging reciprocating compressor
01/20/1981CA1093849A1 Energy conservation system having improved means for controlling receiver pressure
01/13/1981CA1093328A1 Source water cooling in a refrigeration system
01/06/1981CA1093182A1 Refrigeration control system
12/1980
12/30/1980CA1092597A1 Process and apparatus for heat exchange between fluids
12/30/1980CA1092380A1 Universal internal tube accumulator
12/23/1980US4240267 System for vaporizing carbon dioxide utilizing the heat by-product of the refrigeration system as a heat source
12/23/1980CA1091940A1 Valve for liquid injection into a refrigerant evaporator
12/11/1980WO1980002738A1 Method of and apparatus for amplifying heat
12/10/1980EP0020146A1 Combined engine cooling system and waste-heat driven heat pump
12/09/1980US4237698 Motor cooling system for refrigeration machine
12/02/1980US4236379 Heat pump compressor crankcase low differential temperature detection and control system
11/1980
11/26/1980EP0019124A1 Heat pump and process for operating the same
11/11/1980US4232533 Multi-stage economizer
11/04/1980US4231229 Energy conservation system having improved means for controlling receiver pressure
10/1980
10/28/1980CA1088334A1 Water condensate recovery device
10/14/1980US4227905 Process and heat pump for the transfer of heat and cold
10/14/1980US4227862 Solid state compressor control system
10/14/1980US4227382 Split system air conditioner adapted to receive a water preheater
10/14/1980US4227376 Cooling system
10/07/1980US4226606 Waste heat recovery system
10/07/1980US4226089 Waste heat recovery device
10/07/1980CA1087278A1 Control system for refrigeration apparatus
10/01/1980EP0016211A1 Heat collecting plant usable for heating by means of a heat pump
09/1980
09/30/1980US4224801 Stored cryogenic refrigeration
09/30/1980CA1086517A1 Heat pump
09/23/1980US4223537 Air cooled centrifugal water chiller with refrigerant storage means
09/02/1980US4220197 High speed variable delivery helical screw compressor/expander automotive air conditioning and waste heat energy _recovery system
09/02/1980US4220011 Air cooled centrifugal refrigeration system with water heat recovery
08/1980
08/26/1980US4218891 Cooling and heat pump systems and methods
08/12/1980US4216661 Scroll compressor with means for end plate bias and cooled gas return to sealed compressor spaces
08/06/1980EP0013669A1 Heating device
08/05/1980CA1082935A1 Heating and cooling system and method
07/1980
07/22/1980US4213305 Solar powered cooling apparatus
07/08/1980US4211093 Vapor cycle cooling system
07/01/1980US4209998 Air source heat pump with displacement doubling through multiple slide rotary screw compressor/expander unit
07/01/1980US4209996 Reciprocating compressor refrigeration system using step expansion and auto staging
06/1980
06/24/1980US4208886 Subcooling valve for split system air conditioning apparatus with remote condensing unit
06/24/1980US4208885 Expander-compressor transducer
06/17/1980US4207749 Thermal economized refrigeration system
06/03/1980US4205537 Multiple hermetic-motor compressor in common shell
06/03/1980US4205532 Apparatus for and method of transferring heat
05/1980
05/27/1980US4204410 Steam jet refrigeration plant
05/20/1980US4203302 Floor mounted air conditioner
05/06/1980US4201065 Variable capacity vapor compression refrigeration system
05/06/1980US4201061 Automatic chilled water setpoint temperature control
04/1980
04/15/1980US4197719 Tri-level multi-cylinder reciprocating compressor heat pump system
04/15/1980US4197715 Heat pump
04/08/1980US4196596 Liquid trap for freeze-up protection on air cooled centrifugal chiller
04/08/1980US4196595 Integrated thermal solar heat pump system
03/1980
03/20/1980WO1980000490A1 Heat collecting plant usable for heating by means of a heat pump
03/18/1980US4193270 Refrigeration system with compressor load transfer means
03/11/1980US4192152 Scroll-type fluid displacement apparatus with peripheral drive
03/11/1980US4192148 Device to create cooling through use of waste heat
03/04/1980CA1073023A1 Scroll-type apparatus with hydrodynamic thrust bearing
02/1980
02/12/1980US4187899 Method and apparatus for exchanging heat between fluids
02/05/1980CA1070968A1 Solar augmented heat pump system with automatic staging reciprocating compressor
01/1980
01/29/1980US4185465 Multi-step regenerated organic fluid helical screw expander hermetic induction generator system
01/22/1980CA1070129A1 Variable capacity multiple compressor refrigeration system
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