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 49 - Arrangement or mounting of control or safety devices
Patents for F25B 49 - Arrangement or mounting of control or safety devices (13,159)
07/1998
07/14/1998US5779450 Refrigerating apparatus having a fluid compressor
07/14/1998US5778692 Allocation of compressors to cooling chambers
07/14/1998US5778691 Gas injection type heat pump apparatus
07/14/1998US5778690 Method for continuously running a multi-temp refrigeration circuit at a high compressor speed
07/08/1998EP0851994A1 Absorbent pair refrigeration system
07/08/1998CN1039053C Method of and apparatus for controlling condensing agent supply to evaporator with U-shaped tubes
07/07/1998US5775883 Rolling-piston expander apparatus
07/07/1998US5775117 Variable capacity vapor compression cooling system
07/07/1998CA2037271C Control arrangement for a refrigeration apparatus
07/01/1998EP0851190A2 Method of stopping an absorption refrigerator
06/1998
06/30/1998US5771704 Operation control apparatus for air conditioner
06/30/1998US5771703 Refrigeration control using fluctuating superheat
06/23/1998US5768903 Refrigerating apparatus, air conditioner using the same and method for driving the air conditioner
06/23/1998US5768901 Refrigerating system employing a compressor for single or multi-stage operation with capacity control
06/23/1998US5768895 Pressure relief system and method for a refrigerator system
06/18/1998WO1998026237A1 Cooling pump with multistage absorption operating on a ternary mixture
06/18/1998WO1998026183A1 Improved gas actuated slide valve in a screw compressor
06/17/1998CN1184922A Absorption type air conditiones
06/16/1998US5765374 Method for converting energy of an expanding gas into mechanical work
06/10/1998CN1184240A 并联式冰箱 Parallel refrigerator
06/09/1998US5764022 Air conditioner and inverter driving circuit therefor
06/09/1998US5761918 Integrated controller for commercial vehicle air conditioning system
06/03/1998EP0845642A2 A refrigeration system employing a compressor for single or multi-stage operation with capacity control
06/03/1998CN1183337A Electric appliances inspecting system
05/1998
05/27/1998CN2282610Y Structure of control valve for compressor
05/20/1998CN1182189A Thermal detector device for air conditioner
05/19/1998US5752390 Improvements in vapor-compression refrigeration
05/19/1998US5752388 Absorption type refrigerating apparatus
05/14/1998WO1998020291A1 Dual evaporator refrigeration unit and thermal energy storage unit therefore
05/13/1998EP0840870A1 Oil level control apparatus
05/13/1998CN1038378C Single-phase induction motor, its control method and use in refrigerator
05/12/1998US5749244 Returning temperatures to normal without stopping or switching the operation of the refrigerator
05/12/1998US5749243 Low-temperature refrigeration system with precise temperature control
05/12/1998US5749238 Control arrangement for a cooling apparatus
05/12/1998US5749237 Refrigerant system flash gas suppressor with variable speed drive
05/12/1998CA2147065C Method of refrigeration case control
05/07/1998DE19747839A1 Pressure measuring system for air conditioning heat exchangers
05/06/1998EP0682769B1 Starting arrangement for small refrigeration systems
05/06/1998CN1180823A Refrigerating apparatus
05/05/1998US5746062 Methods and apparatuses for detecting surge in centrifugal compressors
04/1998
04/22/1998EP0837310A2 Quality test system for electric appliances
04/22/1998EP0837294A2 Refrigeration system and method for monitoring a refrigeration system
04/22/1998EP0837293A2 Refrigerating apparatus
04/21/1998US5741120 Capacity modulated scroll machine
04/16/1998WO1998015790A1 Method for speed control of compressor and control arrangement using the method
04/15/1998EP0836065A2 Method of operating a domestic refrigerator
04/14/1998US5737933 Absorption refrigerating machines group apparatus
04/09/1998WO1998014739A1 Mass flow control of a working fluid
04/09/1998WO1998014400A1 Ammonia adsorption/desorption
04/09/1998DE4190712C1 Controlling absorption refrigerating machine
04/09/1998CA2267468A1 Mass flow control of a working fluid
04/08/1998CN1178311A Thermal detector device for air conditioner
04/07/1998US5735134 In a vapor compression system
04/01/1998CN2277508Y Pressure relief starting device for compressor in refrigerating system
03/1998
03/31/1998CA2113043C Scroll compressor unloader valve
03/25/1998EP0831570A2 Inductively activated control and protection circuit for refrigeration systems
03/24/1998US5729992 Refrigerant charge control system for heat pump
03/24/1998US5729991 Pressure relief system for a refrigeration system
03/18/1998CN1176680A Gas actuated slide valve in a screw compressor
03/11/1998CN1176026A Linear motor compressor and its application in cooling system
03/10/1998US5726880 Method of and apparatus for controlling a process
03/10/1998US5724826 Outside air conditioner unit with a controller for varying the intensity of air flow
03/10/1998US5724822 Determining the amount of working fluid in a refrigeration or heat pump system
03/05/1998DE19635094A1 Apparatus for neutralising and deodorising ammonia and sulphur di:oxide
03/04/1998CN1174975A Absorption refrigerating apparatus control method
03/04/1998CN1174974A Absorption type refrigerating apparatus
03/04/1998CN1174967A Indoor air conditioner with inlet and outlet closing door and operation method
03/03/1998US5722246 Absorption refrigerating apparatus control method
02/1998
02/25/1998CN2275224Y Wide control electronic temperature controller
02/25/1998CN1174294A Variable speed drive refrigerant compressor, and refrigeration cycle apparatus including the same
02/19/1998WO1998006987A1 Improvements in refrigeration control
02/10/1998US5715693 Refrigeration circuit having series evaporators and modulatable compressor
02/10/1998CA2110762C System for controlling heating or cooling capacity in heating or air conditioning systems
02/03/1998US5713213 Refrigeration cycle device having accurate refrigerant deficiency detection capability
01/1998
01/29/1998WO1998003825A1 Refrigeration circuit having series evaporators and modulatable compressor
01/28/1998CN1171527A Absorption-type refrigerator
01/27/1998US5712551 For use in a refrigerator
01/27/1998US5712540 Control method and apparatus for controlling motors of air conditioner
01/22/1998WO1998002697A1 Improvements in the refrigerating circuits of household and similar vapour-compression refrigeration apparatuses
01/21/1998EP0819333A1 Linear motor compressor and its application in cooling system
01/21/1998EP0730721B1 Electronic control arrangement for motor-driven refrigeration compressors
01/14/1998EP0818333A2 Gas injection type heat pump apparatus
01/13/1998US5706665 Refrigeration system
01/06/1998US5704216 Refrigerating unit
12/1997
12/31/1997WO1997050022A1 Variable speed control of a centrifugal chiller using fuzzy logic
12/30/1997US5701753 Air conditioning apparatus
12/30/1997US5701748 Evaporative cooler for air conditioning condensing unit
12/24/1997WO1997048954A1 Safety system for air-conditioning and refrigeration units
12/16/1997US5697225 Absorption type refrigerating apparatus
12/10/1997EP0811813A2 Refrigeration system
12/10/1997EP0811123A1 Gas actuated slide valve in a screw compressor
12/04/1997WO1997045683A1 Pressure relief system and method of use particularly for a refrigeration system
12/03/1997EP0810410A1 Method of controlling a thermochemical reaction or a solid-gas adsorption
12/03/1997EP0809773A1 Control apparatus for space cooling system
11/1997
11/25/1997US5689966 Method and apparatus for desuperheating refrigerant
11/25/1997US5689965 Air conditioner
11/25/1997US5689963 Diagnostics for a heating and cooling system
11/19/1997EP0424474B2 Method of operating a vapour compression cycle under trans- or supercritical conditions
11/19/1997CN2268234Y Condensation pressure monitor
11/12/1997CN2267443Y Automatic crystallization-proof protective device for lithium bromide absorbing type cold water making unit
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