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)
01/1999
01/20/1999EP0891522A1 Methods and apparatuses for detecting surge in centrifugal compressors
01/20/1999EP0776449B1 Control arrangement for a cooling apparatus
01/19/1999US5860287 Coolness storage for fixed capacity refrigeration system
01/19/1999US5860286 System monitoring refrigeration charge
01/19/1999US5860285 System for monitoring outdoor heat exchanger coil
01/13/1999CN1204758A Actuator control apparatus
01/13/1999CN1204753A Air conditioner automatically controlling operation based on supply voltage or supply frequency
01/12/1999US5857349 Refrigerating apparatus, and refrigerator control and brushless motor starter used in same
01/12/1999US5857348 Compressor
01/12/1999US5857345 Method of managing a solid/gas adsorption or thermochemical reaction
01/12/1999US5857343 Room air conditioner having inlet and outlet closures and methods for their operation
01/12/1999CA2106181C Temperature control apparatus
01/05/1999US5855121 Absorbent pair refrigeration system
01/05/1999US5855119 Method and apparatus for cooling electrical components
12/1998
12/30/1998CN1203655A Heat pump
12/24/1998DE19826730A1 Air-conditioning system for motor vehicle
12/23/1998CN1202604A System for monitoring refrigerant charge
12/17/1998WO1998057104A1 Start-up method and apparatus in refrigeration chillers
12/16/1998EP0645589B1 Operation control apparatus for air-conditioner
12/16/1998CN1201959A Prediction of chiller compressor motor overheating
12/16/1998CN1201888A System for monitoring outdoor heat exchanger coil
12/16/1998CN1201887A System for monitoring expansion valve
12/15/1998US5848535 Control system having a binomial setpoint filter
12/10/1998WO1998055849A1 Optical detection of entrapped gas in a cooling system
12/10/1998CA2292561A1 Optical detection of entrapped gas in a cooling system
12/09/1998EP0883223A2 Multiple winding sensing control and protection circuit for electric motors
12/09/1998EP0883048A1 System for monitoring refrigerant charge
12/09/1998EP0883047A1 System for monitoring expansion valve
12/09/1998EP0883046A1 Prediction of chiller compressor motor overheating
12/09/1998EP0882934A2 System for monitoring outdoor heat exchanger coil
12/08/1998US5845511 Receiver having expansion mechanism
12/08/1998US5845509 Variable speed parallel centrifugal compressors for HVAC and refrigeration systems
12/03/1998WO1998054523A1 Ice bank system
12/03/1998WO1998054019A1 Method and device for testing and diagnosing an automotive air conditioning system
12/02/1998EP0840870A4 Oil level control apparatus
12/01/1998US5842356 Electromagnetic wave-activated sorption refrigeration system
11/1998
11/19/1998WO1998051976A1 Method for regulating of cooling apparatus and an apparatus for applying of the method
11/10/1998US5832737 Gas actuated slide valve in a screw compressor
11/10/1998US5832733 Power controllable type air conditioner
11/05/1998WO1998049503A1 Refrigeration system
11/04/1998EP0741851B1 Refrigeration system and a method for regulating the refrigeration capacity of such a system
11/04/1998EP0628149B1 Control system for an air conditioning/refrigeration system
11/03/1998US5829264 Air conditioner having refrigerant pressure control means and driving control method therefor
11/03/1998US5829262 Capacity control device in refrigerating cycle
11/03/1998US5829260 Absorption cool-warm water machine and method for controlling the same
10/1998
10/27/1998US5826433 Refrigeration system with heat reclaim and efficiency control modulating valve
10/21/1998EP0872693A2 Air Conditioner having refrigerant leakage alarming function based on the senses of human
10/21/1998CN1196788A Absorbent pair refrigeration system
10/20/1998US5823004 Outdoor fan control for part load efficiency
10/20/1998US5822997 Thermostat setback recovery method and apparatus
10/15/1998DE19714501A1 Compression coolant circulation for motor vehicle air-conditioning
10/13/1998US5820262 For measuring properties of refrigerant material in a refrigeration cycle
10/13/1998US5819553 Absorption-type air-conditioning apparatus with by-pass pipe leading from phase separator to absorption chamber
10/08/1998WO1998044301A1 Heat transfer system
10/06/1998US5816062 Air conditioning system with supplemental ice storing and cooling capacity
10/06/1998US5816055 Refrigeration system anad a method for regulating the refrigeration capacity of such a system
10/01/1998WO1998043025A2 Improved control for absorption chillers
10/01/1998DE19713197A1 Automobile air-conditioning device operating method
09/1998
09/29/1998US5813241 Crytallization detection and recovery for two-stage absorption refrigeration machine
09/24/1998WO1998041802A1 Sorption refrigeration appliance
09/24/1998WO1998041801A1 Electromagnetic wave-activated sorption refrigeration system
09/24/1998WO1998041800A1 Coaxial waveguide applicator for an electromagnetic wave-activated sorption system
09/24/1998WO1998041799A1 Method and apparatus for cooling electrical components
09/24/1998CA2284982A1 Sorption refrigeration appliance
09/24/1998CA2284908A1 Electromagnetic wave-activated sorption refrigeration system
09/24/1998CA2284907A1 Coaxial waveguide applicator for an electromagnetic wave-activated sorption system
09/24/1998CA2284905A1 Method and apparatus for cooling electrical components
09/23/1998EP0866284A2 Air conditioning system and power converter apparatus for the same
09/23/1998CN1193715A Air conditioning system and power converter apparatus for the same
09/22/1998US5809792 Apparatus for controlling refrigerator equipped with linear compressor and control method thereof
09/22/1998CA2098680C Microprocessor-based controller
09/17/1998WO1998040725A1 A system and a method for detecting antifreezing substances in a hermetic compressor
09/16/1998EP0865152A1 Control unit for refrigerating machine
09/16/1998CN1193095A Control device for refrigerator
09/15/1998US5806330 Method of controlling a refrigeration system and filter/drier/receiver therefor
09/15/1998US5806327 Compressor capacity reduction
09/15/1998US5806324 Variable capacity vapor compression cooling system
09/08/1998US5802870 Sorption cooling process and system
09/08/1998US5802864 Heat transfer system
09/08/1998US5802860 Refrigeration system
09/02/1998EP0862031A2 Heat pump operating in the heating mode refrigerant pressure control
09/02/1998CN1191961A Receiver dryer
08/1998
08/25/1998US5797729 Controlling multiple variable speed compressors
08/19/1998EP0859208A2 Fridge and freezer unit, method for controlling a compressor in a fridge and freezer unit and control circuit for such a compressor
08/19/1998CN1190729A Storage pot type drying device
08/13/1998WO1998035189A1 Multiple room type air conditioning apparatus
08/12/1998CN1190175A Operation-stopping method for absorption refrigerating device
08/11/1998US5791155 System for monitoring expansion valve
08/06/1998DE19803196A1 Air-conditioning plant e.g. for vehicle passenger compartment with compressor
07/1998
07/29/1998EP0855008A2 Heat pumps
07/22/1998EP0854333A2 Methods and systems for controlling a refrigeration system
07/22/1998CN1188219A Refrigeration system employing compressor for single or multi-stage operation with capacity control
07/21/1998US5784232 For a compressor motor
07/21/1998US5782102 Automotive air conditioner having condenser and evaporator provided within air duct
07/21/1998US5782101 Heat pump operating in the heating mode refrigerant pressure control
07/21/1998US5782099 Method for controlling an absorption system
07/21/1998US5782098 Freezer control unit
07/16/1998WO1998030847A1 Refrigeration system with closed circuit circulation
07/15/1998EP0853223A1 Refrigerator for container
07/15/1998CN2286301Y Power-saving instrument for freezing compressor
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