Patents for F25B 27 - Machines, plant, or systems, using particular sources of energy (5,773)
10/1979
10/17/1979EP0004580A2 Heat exchange element
10/02/1979US4169362 Solid adsorption air conditioning apparatus
10/02/1979CA1063370A1 Heat pump system
08/1979
08/28/1979US4165952 Heat energized vapor adsorbent pump
08/21/1979US4164850 Combined engine cooling system and waste-heat driven automotive air conditioning system
08/14/1979US4164128 Absorption refrigeration system and control
08/07/1979CA1059776A1 Compact refrigeration unit
07/1979
07/10/1979CA1057966A1 Air source heat pump with multiple slide rotary screw compressor/expander
06/1979
06/05/1979CA1055701A1 Air conditioning apparatus utilizing solar energy and method
05/1979
05/08/1979US4153104 Solar heating and cooling system
05/08/1979US4152901 Method and apparatus for transferring energy in an absorption heating and cooling system
05/01/1979US4151721 Solar powered air conditioning system employing hydroxide water solution
04/1979
04/18/1979EP0001382A2 Methods and installations for producing utilisable energy and/or cold from heat
04/10/1979US4148436 Solar augmented heat pump system with automatic staging reciprocating compressor
04/10/1979US4148195 Liquid piston heat-actuated heat pump and methods of operating same
04/04/1979EP0001296A1 Method and apparatus for the utilization of heat, especially solar energy, for the heating of rooms
04/04/1979EP0001272A1 Heating installation comprising a heat pump
03/1979
03/27/1979US4146013 Solar-exothermic solution heat pump
03/13/1979US4143705 Storage for heat and cold
03/13/1979US4143522 Windmill operated system
03/13/1979CA1050269A1 Air conditioning apparatus
03/06/1979US4142576 Heat pump system with improved heat transfer
02/1979
02/13/1979US4138850 Sorption system for low-grade (solar) heat utilization
01/1979
01/09/1979US4133183 Solar powered absorption refrigeration system
01/02/1979CA1045394A1 Heat pump system with improved heat transfer
11/1978
11/21/1978US4126014 Solar collector panel and refrigeration system operated thereby
11/07/1978US4123916 Automotive heat pump
10/1978
10/31/1978US4123003 Solar energy collection panels and energy recovery systems
10/24/1978US4121566 Sonia system
10/24/1978US4121432 Solid adsorption air conditioning apparatus and method
10/17/1978US4120316 Flow control valve assembly
10/17/1978CA1040428A1 Combination re-conditioning unit and illuminating appliance for use with central air conditioning system
10/10/1978US4118934 Process and apparatus for transforming heat at a relatively low temperature into power or energy
10/03/1978CA1039524A1 Method and apparatus for absorption refrigeration system
09/1978
09/12/1978CA1038177A1 Energy source for large heating systems
08/1978
08/15/1978CA1036375A1 Rotary heat engine powered single fluid cooling and heating apparatus
08/01/1978US4103493 Solar power system
07/1978
07/18/1978US4100756 Solar powered absorption refrigeration system
07/18/1978US4100755 Absorption refrigeration system utilizing solar energy
05/1978
05/16/1978US4089186 Heating process using a heat pump and a fluid mixture
03/1978
03/28/1978US4080801 Engine heated compressed drive for vehicle air conditioner
02/1978
02/28/1978US4076073 Combination re-conditioning unit and illuminating appliance for use with central air conditioning system
02/28/1978US4075867 Compact refrigeration unit
01/1978
01/31/1978US4070871 Method of cold production and devices for the practical application of said method
01/31/1978US4070870 Heat pump assisted solar powered absorption system
01/24/1978US4069906 Fluid drive cooling apparatus
12/1977
12/06/1977US4060996 Vuilleumier cycle thermal compressor air conditioner system
11/1977
11/29/1977US4059969 Air conditioned shelter
11/15/1977US4058384 Portable refrigerator
11/01/1977US4055964 Heat pump system
10/1977
10/25/1977US4055299 Energy source for large heating systems
10/04/1977US4051917 Sound-damping housing
10/04/1977US4051691 Air conditioning apparatus
09/1977
09/06/1977US4045970 Method and apparatus for the indirect cooling of hot gases, particularly, coke oven gases
08/1977
08/16/1977US4042012 Heat pump system with improved heat transfer
07/1977
07/12/1977US4034569 Sorption system for low-grade (solar) heat utilization
07/05/1977US4033141 Method for thermal running of a heat pump plant and plant for carrying out the method
06/1977
06/14/1977US4028904 Preheater for weak absorbent
06/07/1977US4028078 Method and apparatus for absorption refrigeration system
05/1977
05/24/1977US4024726 Solar heat trap for building windows
05/17/1977US4023948 Solar energy refrigeration and air conditioning system
05/17/1977US4023375 Water-ammonia refrigeration system using solar energy
04/1977
04/19/1977US4018581 Solar heating system
04/05/1977US4015962 Temperature control system utilizing naturally occurring energy sources
03/1977
03/08/1977US4010620 Cooling system
03/01/1977US4009587 Combined loop free-piston heat pump
03/01/1977US4009575 Regeneration power cycleexothermic and endothermic reactions
02/1977
02/15/1977US4007776 Heating and cooling system utilizing solar energy
11/1976
11/02/1976US3988901 Dual loop heat pump system
10/1976
10/05/1976US3984224 Air conditioning system for a motor home vehicle or the like
08/1976
08/17/1976US3974660 Power supply for refrigeration units
06/1976
06/29/1976US3965694 Method and device for thermally air-conditioning a room, a vat or the like
06/15/1976US3962874 Rotary heat engine powered single fluid cooling and heating apparatus
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