Patents for F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293)
03/1988
03/08/1988CA1233655A1 Chemically assisted mechanical refrigeration process
03/01/1988US4729089 Transient suppression for microprocessor controls for a heat pump air conditioning system
03/01/1988US4727725 Gas injection system for screw compressor
02/1988
02/24/1988EP0256123A1 Fluid flow control system.
02/23/1988CA1233214A1 Control apparatus and methods, heat transfer systems and apparatus and methods for controlling such systems and for sensing and indicating low fluid charge conditions therein
02/17/1988CN87208977U Reciprocating compressor of refrigerator
02/16/1988US4724680 Air conditioning apparatus and control method thereof
02/16/1988US4724676 Heat exchange matrix for refrigeration apparatus
02/02/1988US4722196 Device for controlling refrigeration cycle capacity
01/1988
01/26/1988CA1231844A1 Device for oil cooling in a compression unit and, particularly, a screw compression unit
01/05/1988CA1230982A1 Split system air conditioner
12/1987
12/31/1987CN87206529U Marine refrigerator
12/29/1987CA1230746A1 Incrementally adjustable electronic expansion valve
12/16/1987EP0249472A2 Refrigeration system with hot gas pre-cooler
12/08/1987US4711094 Reverse cycle heat reclaim coil and subcooling method
12/02/1987EP0247236A2 Refrigeration system including capacity modulation
12/01/1987US4710312 Stable mixtures of chlorofluorohydrocarbons and solvents and their use as heat transfer compositions for absorption heat pumps
11/1987
11/25/1987EP0246275A1 Thermally powered engine.
11/19/1987DE3716393A1 Kaelteanlage Kaelteanlage
11/09/1987EP0197964A4 High efficiency refrigeration or cooling system.
10/1987
10/27/1987US4702089 Device for returning oil to at least one compressor in a cooling or refrigerating system
10/27/1987US4702088 Compressor for reversible refrigeration cycle
10/27/1987US4702086 Refrigeration system with hot gas pre-cooler
10/15/1987DE3709628A1 Cooling system with a piston compressor
10/14/1987CN87201876U Turbulent flow expanding machine
10/13/1987US4698981 Air conditioner having a temperature dependent control device
10/07/1987EP0239680A2 Heat pump
09/1987
09/30/1987CN86101918A Discharger structure of refrigerating compressor
09/22/1987US4694660 Refrigeration system including capacity modulation
09/15/1987US4693737 Carbon dioxide, cryogenics
09/11/1987WO1987005381A1 Fluid flow control system
09/08/1987US4691533 Refrigeration system with a centrifugal economizer
09/08/1987US4691526 Air conditioning unit for vehicle
08/1987
08/25/1987US4688397 Multi-stage heat pump of the compressor-type operating with a solution
08/18/1987US4686834 Centrifugal compressor controller for minimizing power consumption while avoiding surge
08/18/1987CA1225716A1 Method and apparatus for detecting surge in centrifugal compressors driven by electric motors
08/05/1987EP0190167A4 Modular refrigeration system.
08/04/1987US4683726 Refrigeration apparatus
08/04/1987CA1225071A1 Helical screw rotary compressor for air conditioning system having improved oil management
07/1987
07/29/1987EP0229942A2 Regulating method for refrigerant flow to the evaporator of a cooling plant or a heat pump
07/28/1987CA1224859A1 Integrated control of output and surge for a dynamic compressor control system
07/21/1987US4680939 Process for producing heat and/or cold by means of a compression engine operating with a mixed working fluid
07/21/1987CA1224450A1 Strainer device for rotary compressor
06/1987
06/30/1987US4676072 Bypass system for a dual refrigeration cycle air conditioner
06/23/1987US4674292 System for controlling flow rate of refrigerant
06/16/1987US4672822 Refrigerating cycle apparatus
06/09/1987US4671081 Device for collecting lubricating oil in a turbo-refrigerator
06/09/1987US4671075 Heat pump system
06/04/1987WO1987003357A1 Thermally powered engine
06/02/1987CA1222385A1 Refrigerating apparatus
05/1987
05/21/1987DE3540372A1 Electric heating heat pump with optimised refrigerant circuit in the case of plate construction of evaporator and condenser
05/19/1987US4665716 For use with a heat exchange apparatus
05/06/1987EP0220824A2 Refrigeration apparatus
05/05/1987US4662190 Integral slide valve-oil separator apparatus in a screw compressor
04/1987
04/29/1987CN86106975A Control device of the automobil air-condition system
04/28/1987US4660384 Defrost apparatus for refrigeration system and method of operating same
04/08/1987EP0217605A2 Air conditioning system
04/01/1987EP0215798A1 Heat transfer bracket device
03/1987
03/25/1987CN85106723A Heat transfer circuit
03/05/1987DE3531311A1 Compression refrigerating installation and in particular flow machine provided therefor
03/03/1987US4646535 Temperature and pressure monitored refrigeration system
03/03/1987US4646533 Refrigerant circuit with improved means to prevent refrigerant flow into evaporator when rotary compressor stops
03/03/1987US4646530 Automatic anti-surge control for dual centrifugal compressor system
02/1987
02/18/1987CN86205203U Refrigeration device of refrigerator with air drum
02/11/1987CN86205259U High efficiency refrigerating compression unit
01/1987
01/27/1987US4638643 Control system for compressor motor used with air-conditioning unit
01/27/1987US4638642 Heat pump
01/21/1987EP0209170A1 Installation for refrigerating products under vacuum
01/15/1987DE3523728A1 Air-conditioning installation which is at times completely but otherwise at least partially independent of an aggregate
01/14/1987EP0208526A2 Refrigeration method and apparatus
01/07/1987CN85105288A Cooling apparatus for multi-stage compression
01/06/1987US4633675 Device for controlling the capacity of a variable capacity compressor
01/06/1987US4633674 Refrigeration circuit
12/1986
12/30/1986CA1216045A1 Monitoring and control for evaporator
12/17/1986EP0204777A1 Refrigerating machine or heat pump with a jet pump as the compressor
12/03/1986EP0203477A1 Refrigerant gas injection system for refrigeration cycle having a screw compressor
12/02/1986US4625522 Process for producing cold and/or heat by using a non-azeotropic mixture of fluids in a cycle with ejector
11/1986
11/20/1986WO1986006798A1 Refrigeration plant and rotary positive displacement machine
11/18/1986US4622829 Refrigerating cycle
11/18/1986US4622827 Control apparatus for an air conditioner
11/11/1986US4621505 For a refrigeration system
11/11/1986US4621502 Electronic temperature control for refrigeration system
11/11/1986US4621501 Refrigeration system having auxiliary cooling for control of coolant flow
11/04/1986US4620424 Method of controlling refrigeration cycle
10/1986
10/22/1986EP0197964A1 High efficiency refrigeration or cooling system
10/21/1986US4617804 Refrigerant flow control device
10/21/1986US4617801 Thermally powered engine
10/15/1986EP0197839A1 Method and device for heating vehicles with a reduced power requirement
10/15/1986EP0197513A2 Shell for plate-type apparatus to carry out thermo-dynamic processes based on heat-exchange between flowing fluids
10/15/1986EP0197108A1 Heat exchanger
10/14/1986US4616483 Controlling a motor driven centrifugal compressor used in refrigeration
10/08/1986EP0196314A1 A cooling or refrigerating system.
09/1986
09/25/1986WO1986005576A1 Method for refrigeration systems
09/25/1986WO1986005552A1 Heat transfer bracket device
09/24/1986CN85109118A Circular system for freezing
09/23/1986US4612782 Twin reservoir heat transfer circuit
09/10/1986EP0194029A1 A method of, and apparatus for, controlling the capacity of a variable capacity compressor
08/1986
08/27/1986EP0192496A1 Cold and/or heat production process using a non-azeotropic mixture of fluids in an ejector cycle
08/26/1986US4607498 High efficiency air-conditioner/dehumidifier
08/20/1986EP0191715A2 Transient suppression for microprocessor controls for a heat pump air conditioning system