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