| Patents for F25B 30 - Heat pumps (6,899) |
|---|
| 05/05/2004 | CN1493830A Energy meter based ice water machine automatic control system |
| 04/28/2004 | EP1412681A2 Geothermal space conditioning |
| 04/28/2004 | CN1492201A 空调机 Air conditioning |
| 04/28/2004 | CN1492200A Geothermal air conditioner system capable of providing hot water |
| 04/21/2004 | CN2612907Y Heat pump type air-conditioner having highly performance pyrogenicity and defrosting functions |
| 04/21/2004 | CN2612906Y Sewage remaining heat recovery heat pump installation for petroleum production factory multi-purpose station |
| 04/21/2004 | CN1490578A Ground water hot pump set with cooling and heating switch controlled by media circulation |
| 04/21/2004 | CN1490573A 空调机 Air conditioning |
| 04/20/2004 | US6722576 Method for operating air conditioner in warming mode |
| 04/15/2004 | DE10344698A1 Combined compression and liquefaction device for refrigeration medium in refrigeration or heat pump process |
| 04/15/2004 | DE10245694A1 Combined compression and liquefaction device for refrigeration medium in refrigeration or heat pump process |
| 04/13/2004 | US6718792 Integrated aqua-ammonia chiller/heater |
| 04/08/2004 | WO2004029516A1 Drying apparatus |
| 04/08/2004 | WO2004029456A1 Motor drive controller and heat pump type hot water supply device using the controller |
| 04/08/2004 | DE10209373B4 Anlage zur Wärmeversorgung von Gebäuden o. dgl. Plant for heating buildings o. The like. |
| 04/06/2004 | US6715313 Heat pump-driven external combustion engine |
| 04/01/2004 | US20040060316 Heater with two different heat sources and air conditioner using the same |
| 04/01/2004 | DE10243170A1 Heat pump for building heating installation has integral condenser and volume of boiler in contact with heat exchanger kept within set heating range |
| 03/31/2004 | EP1403600A1 Heat pump device |
| 03/31/2004 | EP1403598A1 Heat pump |
| 03/31/2004 | CN2608914Y Heat removal utilization type lithium bromide absorption cold water, cold hot water machine set |
| 03/31/2004 | CN1485588A Dual-purpose multiple operating mode self-defrosting type heat pump air-conditioner and automatic defrosting process thereof |
| 03/31/2004 | CN1485577A 落地式热泵空调器 Floor-pump air conditioners |
| 03/31/2004 | CN1144006C Heat pump and method for controlling its operation |
| 03/24/2004 | CN2607546Y Direct heating internal threaded pipe sleeve type machine for heating water and cooling air |
| 03/24/2004 | CN2607545Y Solar auxiliary direct heating type water heater |
| 03/24/2004 | CN1483969A One-driving-mrltiple frequency-change central air conditioner |
| 03/23/2004 | US6708517 Heat pump |
| 03/17/2004 | CN1482423A Direct heat exchange type liquid state cold and heat source apparatus |
| 03/16/2004 | US6705101 Vehicle cooling system for a temperature-raising device and method for the cooling of a temperature-raising device |
| 03/10/2004 | EP1396689A1 Refrigerant circuit |
| 03/10/2004 | CN2606307Y Solar heating and refrigerating device |
| 03/03/2004 | EP1394482A2 Heat pump system |
| 03/03/2004 | CN1140751C Heat supply device of recoverying aqueous vapour latent heat in fuel gas of gas, oil-burning boiler |
| 03/03/2004 | CN1140750C Heating system with electric heat pump by using latent heat in flue gas of gas-fired and oil-burning boiler |
| 03/03/2004 | CN1140749C Heat system with electric heat pump of recoverying flue gas latent heat in flue gas of gas-fired and oil-burning boiler |
| 03/03/2004 | CN1140748C Absorbing heat pump heating equipment to utilize fume afterheat of gas steam circulating heat and power plant |
| 03/03/2004 | CN1140747C Absorbing heat pump heating equipment to recover fume afterheat of gas steam circulating heat and power plant |
| 02/26/2004 | US20040035552 Well water type liquid cooling and heating resource system |
| 02/25/2004 | CN1477351A integrated air-cooled heat pump type central air-conditioner unit |
| 02/25/2004 | CN1139773C Heat pump system and method for air-conditioning |
| 02/19/2004 | US20040031585 Earth loop energy systems |
| 02/18/2004 | CN2603921Y Energy-saving air central conditioning capable of supplying cool, heat, warm water and steam. |
| 02/18/2004 | CN1475705A Air-conditioner |
| 02/18/2004 | CN1475703A Air Conditioner having hot/cold water producing device |
| 02/18/2004 | CN1138952C Supercritical backheat heated heat pump unit driven thermodynamically |
| 02/12/2004 | WO2004013551A1 Sealed well direct expansion heating and cooling system |
| 02/12/2004 | DE10233230A1 Expansion unit for integration into heat pump/compressor circuit, uses pressure/temperature drop from liquefier to evaporator to generate energy by switching on turbine before expansion valve |
| 02/11/2004 | EP1388717A1 Geothermal heat accumulator and air-conditioning using it |
| 02/11/2004 | CN1474125A Method and device for using city waste water cold and heat source |
| 02/11/2004 | CN1474124A 低温空气热源热泵系统 Low temperature air source heat pump system |
| 02/11/2004 | CN1138111C System for recovering afterheat of waste liquid and preparing high-temp. liquid |
| 02/10/2004 | US6688129 Geothermal space conditioning |
| 02/05/2004 | WO2004011859A1 Thermal compressive device |
| 02/05/2004 | US20040020230 Heat pump |
| 02/04/2004 | CN1137360C Composite wind-cooled heat pump set |
| 02/04/2004 | CN1137351C Green refrigeration and heating device |
| 01/29/2004 | DE19963473B4 Anordnung zur Ableitung von Wärme aus Niedrigtemperatur-Kühlkreisläufen Arrangement for removing heat from low-temperature cooling circuits |
| 01/28/2004 | CN1470820A Heat pump air conditioning system comprising additional heater and operating method thereof |
| 01/27/2004 | US6681593 Thermal energy storage system |
| 01/22/2004 | WO2004008046A1 Combination of a machine and a sorption heat pump |
| 01/22/2004 | US20040011064 Heat pump air conditioning system comprising additional heater and method for operating the same |
| 01/22/2004 | DE10327953A1 Dampfkompressions-Kältemittelkreislauf Vapor compression type refrigerant circuit |
| 01/22/2004 | DE10231265A1 Absorptionswärmepumpe Absorption heat pump |
| 01/21/2004 | CN1469091A Steam compression refrigerant circulating system |
| 01/20/2004 | US6679321 Heat pump system |
| 01/14/2004 | EP1380800A1 Heatpump |
| 01/14/2004 | CN1467458A Air conditioning system with two compressors and method for operating the same |
| 01/14/2004 | CN1467444A Air conditioning system and method for operating the same |
| 01/08/2004 | US20040003609 Efficient water source heat pump with hot gas reheat |
| 01/08/2004 | DE20213335U1 Room heating and hot water system has a heat pump using the ground as a heat source in the evaporator circuit with probes to control two three-way valves |
| 01/07/2004 | CN1465941A Direct evaporation close type external ice-melting heat-pump air-conditioner |
| 01/06/2004 | US6672371 Earth heat exchange system |
| 12/31/2003 | WO2004001304A1 Engine heat pump |
| 12/31/2003 | CN2596283Y Heat pump refrigeratng and heating device for solar greenhouse |
| 12/31/2003 | CN1464964A 热泵装置 Heat pump device |
| 12/31/2003 | CN1464963A Heat pump |
| 12/31/2003 | CN1464250A Heat pump and control process for its operation |
| 12/31/2003 | CN1133047C Heat pump air conditioners suitable for cold area |
| 12/31/2003 | CN1133046C Bipolar heat pump type air conditioner |
| 12/30/2003 | US6668572 Air conditioner having hot/cold water producing device |
| 12/30/2003 | US6668569 Heat pump apparatus |
| 12/25/2003 | US20030233838 Air conditioning system with two compressors and method for operating the same |
| 12/25/2003 | US20030233837 Air conditioning system and method for operating the same |
| 12/24/2003 | CN2594733Y Evaporator of ice-cream maker |
| 12/24/2003 | CN1462855A Multi-functional heat pump type air conditioning water-heater |
| 12/23/2003 | US6666040 Efficient water source heat pump with hot gas reheat |
| 12/18/2003 | WO2003104724A1 Air conditioning system with refrigerant charge management |
| 12/17/2003 | CN2593132Y Multisource heat pump air conditioner |
| 12/17/2003 | CN1131400C Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water |
| 12/17/2003 | CN1131399C Solar energy heat pump with integrated heat collector, heat accumulator and evaporator |
| 12/17/2003 | CN1131398C Heat pump |
| 12/11/2003 | US20030226367 Air conditioning system with refrigerant charge management |
| 12/11/2003 | DE20023374U1 Diffusion absorption system pre-cools ammonia with heat bearer circuit via heat source after leaving condenser and before entry into evaporator |
| 12/10/2003 | CN1460827A Absorption type cold/hot water machine |
| 12/10/2003 | CN1130529C Control of evaporator defrosting in pneumatic heat pump device |
| 12/04/2003 | US20030221436 Recoverable ground source heat pump |
| 12/03/2003 | CN1129752C Internal liquid type refrigerating (heat pump) circulation system |
| 12/02/2003 | US6655164 Combined heating and cooling system |
| 11/26/2003 | CN1458483A Air conditioner refrigerator |