Patents for F25B 47 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass (3,979)
12/1998
12/23/1998CN1202612A Refrigerator and controlling method therefor
12/08/1998US5845502 Heat pump having improved defrost system
12/01/1998US5842352 Refrigeration system with improved liquid sub-cooling
12/01/1998US5842349 Refrigeration system and method of installing same
11/1998
11/24/1998US5839292 Defroster for heat pump
11/24/1998US5839289 Multi-step pressure reducing apparatus and method
11/10/1998US5832735 Control system for multiple-type air conditioner
11/03/1998US5829258 Multi-step pressure reducing method and apparatus
10/1998
10/08/1998WO1998044304A1 Piping washing method and piping washing apparatus for refrigerating apparatuses
10/08/1998WO1998044301A1 Heat transfer system
10/08/1998DE19814050A1 Laminated heat exchanger
10/07/1998CN1195103A Laminated heat exchanger
09/1998
09/22/1998US5811026 Maintaining the hydroxyl ion concentration of the working fluid within a selected range under anaerobic conditions by introducing a strong base
09/22/1998US5809789 Refrigeration module
09/22/1998CA2098680C Microprocessor-based controller
09/17/1998DE19709176A1 Heat exchanger using laminated plates
09/15/1998US5806337 Absorption refrigerator and production method thereof
09/08/1998US5802864 Heat transfer system
09/01/1998US5799498 Defroster for indirect-freezing refrigerator
08/1998
08/25/1998US5797273 Control of defrost in heat pump
08/20/1998WO1998036228A1 Defrost control for heat pump
08/20/1998WO1998036227A1 Control of defrost in heat pump
08/18/1998US5794452 Hot gas bypass system for an icemaker
07/1998
07/22/1998CN1188223A Multi-step pressure reducing apparatus
07/22/1998CN1188222A Multi-step pressure reducing method and apparatus
07/08/1998CN1039054C Method and apparatus for operating refrigeration system
07/07/1998US5775116 Defrosting control method for air conditioner
06/1998
06/30/1998US5771699 Three coil electric heat pump
06/24/1998CN1185567A Defrosting operation regulating device for air conditioner and method thereof
06/23/1998US5770048 Method for removal of acid from compressor oil
06/16/1998US5765384 Evaporator with an electric heating cable for defrosting
06/10/1998CN1184238A Absorption refrigerator
06/09/1998US5761922 Low temperature display case
06/03/1998EP0845641A2 Absorption refrigerator
06/03/1998EP0730719B1 Refrigerating exchanger, method for controlling same, and refrigeration facility comprising said exchanger
06/02/1998US5758507 Heat pump defrost control
05/1998
05/26/1998US5755104 Heating and cooling systems incorporating thermal storage, and defrost cycles for same
05/20/1998EP0843136A1 Refrigerant composition for absorption refrigerators
05/13/1998CN1181484A Air conditioner
05/06/1998EP0840071A2 Air conditioner and method of controlling the air conditioner
04/1998
04/29/1998EP0838644A2 Method and device for defrosting a cooler of a refrigeration plant
04/28/1998US5743098 Refrigerated merchandiser with modular evaporator coils and EEPR control
04/09/1998DE19637248A1 Verfahren zur Abfuhr thermischer Energie aus einem Kühlkreislauf mit einem Wärme erzeugenden Verbraucher A process for the removal of thermal energy from a refrigeration circuit having a heat generating consumer
03/1998
03/24/1998US5729985 Air conditioning apparatus and method for air conditioning
03/17/1998US5727395 Defrost control for heat pump
03/11/1998CN1175677A Method for controlling pausing period of defrosting operation of refrigerator
03/11/1998CN1175675A Method of circulating refrigerant for defrosting and refrigerator employing the same
03/04/1998EP0603182B1 Liquid chiller
02/1998
02/19/1998WO1998006883A1 Method of corrosion inhibition in absorption refrigeration systems
02/17/1998US5718119 Refrigeration system and method of installing same
02/14/1998CA2211948A1 Corrosion inhibitor for aqueous ammonia absorption system
01/1998
01/20/1998US5709096 Defrosting device for a low temperature display case
01/14/1998CN1170124A Controlling apparatus for various air conditioners
01/07/1998CN1169771A Air conditioner and method of controlling washing operation thereof
01/06/1998US5704221 Refrigeration exchanger, method for control thereof and cooling installation including such exchanger
12/1997
12/24/1997WO1997048953A1 Refrigerant composition for absorption refrigerators
12/09/1997US5694782 Reverse flow defrost apparatus and method
11/1997
11/26/1997CN1165940A Defrosting control method for air conditioner
11/26/1997CN1165918A Refrigerating circulation or compressor with foreign matter collector
11/25/1997US5689964 Operation control device for air conditioner
11/06/1997WO1997041398A1 Defrost operation for heat pump and refrigeration systems
11/05/1997EP0805312A2 Control System for multiple-type air conditioner
11/05/1997CN1164006A Defrosting method for heat pump type air conditioner
10/1997
10/15/1997EP0801274A2 Defrosting control method for air conditioner
10/15/1997CN2264884Y Defroster of refrigerating box (cabinet)
10/08/1997EP0800045A1 Evaporator with an electric heating cable for defrosting
10/08/1997CN1161437A Absorption refrigerator and prodn. method thereof
10/07/1997US5673567 Refrigeration system with heat reclaim and method of operation
09/1997
09/23/1997US5669222 Refrigeration passive defrost system
09/17/1997CN1159554A Freezing system
08/1997
08/13/1997EP0789201A2 Split type air conditioner
08/13/1997CN1156809A Split type air conditioner
08/05/1997US5653117 Absorption refrigeration compositions containing thiocyanate, and absorption refrigeration apparatus
07/1997
07/29/1997US5651261 Operation control device for air conditioner
07/16/1997EP0783658A1 Method and device for cooling gases
07/10/1997WO1997024565A1 Heating and cooling systems incorporating thermal storage, and defrost cycles for same
07/09/1997CN1153889A Frost-removing device for low-temperature display cabinet
06/1997
06/11/1997CN1151507A Controlling defrost in refrigerated compartment
05/1997
05/14/1997CN2254170Y Secondary automatic scavenge filter for lithium bromide refrigerator
05/13/1997US5628199 In a heat pump system
04/1997
04/16/1997EP0768501A2 A defrosting device for a low temperature display case
04/16/1997EP0768053A2 Low temperature display case
04/02/1997EP0765456A2 Refrigerated merchandiser with modular evaporator coils and eepr control
03/1997
03/26/1997CN1146003A Apparatus of air conditioner and control method thereof
02/1997
02/12/1997CN1142595A Air conditioner
02/04/1997US5598887 Air conditioner for vehicles
02/04/1997US5598717 Air conditioner having frost preventing member
01/1997
01/15/1997CN1140249A 空调机 Air conditioners
01/01/1997CN1139193A Air conditioning apparatus
12/1996
12/12/1996WO1996039602A1 Reverse flow defrost apparatus and method
11/1996
11/28/1996DE19518977A1 Heat pump with freeze-protection
11/21/1996DE19517862A1 Defrosting of evaporator for heat pump
11/19/1996US5575158 Refrigeration defrost cycles
11/14/1996WO1996029555A3 Refrigerated merchandiser with modular evaporator coils and eepr control
11/13/1996CN1135791A Pipe connecting method and pipe structure
10/1996
10/16/1996CN1133427A Defroster for intermittent type refrigerator
10/09/1996CN1132845A Defrosting apparatus of air conditioner and control method thereof
09/1996
09/26/1996WO1996029555A2 Refrigerated merchandiser with modular evaporator coils and eepr control
09/26/1996CA2189633A1 Refrigerated merchandiser with modular evaporator coils and eepr control
09/17/1996US5555744 Refrigerant circuit for ice making machines etc.
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