| Patents for F25B 30 - Heat pumps (6,899) |
|---|
| 08/17/2005 | CN1215300C Multi-style gas heat pump type air conditioner |
| 08/17/2005 | CN1215291C Air conditioning system and method for operating the same |
| 08/11/2005 | US20050172648 Defrost mode for HVAC heat pump systems |
| 08/10/2005 | CN1651825A Air heat energy central hot water supplying method and device thereof |
| 08/09/2005 | US6925830 Well-water-type liquid cooling and heating resource system |
| 08/04/2005 | US20050167516 Heat pump hot-water supply system |
| 08/04/2005 | US20050166616 Heater cycling for improved oil return |
| 08/04/2005 | DE102004001927A1 A method for recovering heat in a screw compressor heat pump circuit has an oil separator and direct oil injection to the compressor bearings |
| 08/03/2005 | CN2714543Y Soil-removing water-intaking device by using low grade thermal energy of urban sewage |
| 07/27/2005 | CN1646864A Plant for tempering of a building |
| 07/21/2005 | WO2005066555A2 Thermal refrigeration device or heat pump |
| 07/21/2005 | WO2005066466A1 Method and system for converting heat energy into mechanical energy |
| 07/21/2005 | WO2005066465A1 Method and installation for converting heat energy from refrigerating machines |
| 07/21/2005 | US20050155753 Climate control installation |
| 07/21/2005 | US20050155355 Refrigerant circuit contains a decomposer in which a gas hydrate is decomposed, and a former in which a gas hydrate is formed; excess water separator separates water from the formed gas hydrate |
| 07/21/2005 | DE102004061529A1 Heat pump for hot water supply apparatus, has controller that stops feed water pump and opens variable aperture to predetermined amount, in defrost driving mode for removing frost in outdoor heat exchanger |
| 07/20/2005 | EP1446615A4 Improved water heater |
| 07/20/2005 | CN1641295A Solar energy and heat pump combined refrigerating and heating system |
| 07/14/2005 | WO2005062814A2 Vapor compression startup method and system |
| 07/14/2005 | US20050150969 Heat pump type water heater |
| 07/14/2005 | US20050150650 Heat pump control system and method of operating to provide automatic backup heating modes |
| 07/13/2005 | CN2709886Y Domestic air conditioner with underground water source heat pump |
| 07/13/2005 | CN1210534C Split heat pump air conditioner system |
| 07/13/2005 | CN1210531C One-driving-multiple frequency-change central air conditioner |
| 07/07/2005 | WO2005061973A1 Method and system for increasing the temperature of a vaporous working medium |
| 07/07/2005 | WO2005061858A1 Method for converting heat energy into mechanical energy with a low-pressure expansion device |
| 07/07/2005 | WO2005061857A1 Device and method for converting heat energy into mechanical energy |
| 07/06/2005 | EP1550830A1 Heat pump system |
| 07/06/2005 | EP1550829A1 Drying apparatus |
| 07/06/2005 | CN1635316A System and method for cooling by recirculated cooling water and heating using heat therefrom in heat power plant |
| 07/06/2005 | CN1209588C Heating system of solar energy heat pump in type of accumulating heat by soil as well as method for supplying heat |
| 07/06/2005 | CN1209587C Direct heat exchange type liquid state cold and heat source apparatus |
| 07/05/2005 | US6913076 High temperature heat pump |
| 06/30/2005 | WO2005059448A2 Transcritical vapor compression optimization through maximization of heating capacity |
| 06/30/2005 | WO2005059447A2 Heat generating expander for heat pump systems |
| 06/30/2005 | DE202005005215U1 A method for generating heat in a carrier medium has a compressor and condenser from which the refrigerant is pumped through a depending column within the carrier medium flow |
| 06/29/2005 | CN1632425A System and method for heating and refrigeration by employing urban sewage |
| 06/29/2005 | CN1632424A System and method for heating and refrigeration by employing oil field re-injection water |
| 06/23/2005 | WO2005057094A2 Freeze protection for heat pump system |
| 06/23/2005 | US20050132735 Transcritical vapor compression optimization through maximization of heating capacity |
| 06/23/2005 | US20050132732 Vapor compression system startup method |
| 06/23/2005 | DE19844246B4 Verfahren zur Rückgewinnung von Abwärme während des Polymerkoagulationsschritts mittels einer Absorptionswärmepumpe A process for the recovery of waste heat during the Polymerkoagulationsschritts means of an absorption heat pump |
| 06/23/2005 | DE10341289A1 A method for increasing the efficiency of a heat pump installation has an energy recovery system prior to the expansion valve to make use of excess pressure |
| 06/22/2005 | CN1629564A Plate type condenser |
| 06/22/2005 | CN1207519C Multi-functional heat pump type air conditioning water-heater |
| 06/16/2005 | WO2005054757A1 Chemical heat pump working according to the hybrid principle |
| 06/16/2005 | US20050126217 Heat generating expander for heat pump systems |
| 06/14/2005 | US6904766 Heater with two different heat sources and air conditioner using the same |
| 06/09/2005 | US20050120730 Heat pump water heating system including a compressor having a variable clearance volume |
| 06/09/2005 | US20050120729 Transcritical heat pump water heating system using auxiliary electric heater |
| 06/02/2005 | US20050115705 Freeze protection for heat pump system |
| 06/02/2005 | US20050115260 Water heating system |
| 06/01/2005 | EP1535002A1 Thermal compressive device |
| 06/01/2005 | EP1535001A1 Air conditioning system with refrigerant charge management |
| 06/01/2005 | CN1621764A Refrigerating and heating system employing heat pump |
| 05/26/2005 | US20050109490 Energy efficient heat pump systems for water heating and airconditioning |
| 05/25/2005 | CN2702248Y Three-in-one heat pump air conditioner water cooling, air-cooling and heat recovering function |
| 05/24/2005 | US6895768 Refrigerant circuit |
| 05/19/2005 | US20050104185 Electronic heat pump device, electronic equipment using electronic heat pump device and method of manufacturing electronic heat pump device |
| 05/19/2005 | DE10346960A1 Control of compressor regulating valve in road vehicle air conditioning system has connection of valve to high-pressure side of compressor and heat exchanger circuit includes three-way valve |
| 05/18/2005 | CN2700785Y Air-conditioning heat pumping unit using underground pipe |
| 05/18/2005 | CN2700784Y Composite heat source type hot pump device |
| 05/18/2005 | CN2700783Y Domestic central air-conditioning with multiple stack type heat pump |
| 05/18/2005 | CN1616900A Hot water supply device by hot pump |
| 05/18/2005 | CN1616894A Integrated geo-source heat pump air conditioning unit |
| 05/18/2005 | CN1202394C Heat pump combined system with marsh gas as power source for heating and cooling |
| 05/12/2005 | US20050097919 Heat exchanger, and heat pump type air conditioning apparatus using heat exchanger |
| 05/12/2005 | DE10164102B4 Anordnung zur Wärmespeicherung Arrangement for heat storage |
| 05/11/2005 | CN1614339A Domestic sewage extracting and flushing process in sewage hot pump thermal supplying air conditioner system |
| 05/11/2005 | CN1201121C Air conditioner |
| 05/05/2005 | US20050092480 Plant for tempering of a building |
| 05/04/2005 | DE202005001570U1 Heat generator using geothermal energy has heat exchanger with probe pipe group contained within probe protection sleeve and condenser/evaporator unit and compressor contained within probe head |
| 05/04/2005 | CN1611869A 热交换器 Heat exchanger |
| 05/04/2005 | CN1611868A Compression type refrigerating apparatus and sunlight heat converting equipment grafting type refrigerating and heat generating system |
| 04/28/2005 | WO2005037582A1 Air-conditioning system provided with a heat pump |
| 04/27/2005 | CN1199027C Direct evaporation close type external ice-melting heat-pump air-conditioner |
| 04/26/2005 | US6883342 Multiform gas heat pump type air conditioning system |
| 04/21/2005 | DE202005002024U1 Heat generator used as heat pump comprises a heat exchanger designed as a self-circulating coolant circuit in a probe tube chamber that is connected by energy input via a carrier medium to a condenser/evaporator unit and coolant compressor |
| 04/21/2005 | DE202005000341U1 Heat generator used as a heat pump comprises a heat exchanger designed as a probe column tube for absorbing primary energy via the ground, a condenser/evaporator unit and a coolant compressor that directly interact |
| 04/19/2005 | US6880352 Heat pump device |
| 04/14/2005 | WO2005033596A1 Heating and defrosting methods and apparatus |
| 04/14/2005 | DE10327774A1 Thermal recovery of energy from the environment comprises absorbing energy in collector containing liquid which is partly evaporated, and transporting vapor into a adsorption heat reactor and heat exchanger back to the collector |
| 04/13/2005 | CN2692596Y Heat pump set with compensation throttle flow |
| 04/06/2005 | EP1521046A2 Refrigerant circuit and heat pump type hot water supply apparatus |
| 04/06/2005 | CN1603722A Household cold, heat and power triple supply system adopting vapor compression type electrothermal pump |
| 04/06/2005 | CN1603721A Refrigerant circuit and heat pump type hot water supply apparatus |
| 04/05/2005 | US6874694 Heat pump hot-water supply system |
| 03/31/2005 | US20050066678 Refrigerant circuit and heat pump type hot water supply apparatus |
| 03/31/2005 | DE10339066A1 Heat pump with electrically driven compressor has fluid circulation system fed with heat produced by a fuel cell |
| 03/30/2005 | EP1519126A2 Heat exchanger, and heat pump type air conditioning apparatus using heat exchanger |
| 03/30/2005 | CN2689096Y Thermostatic and humidifying assembled air conditioner casing of hot-pump system |
| 03/30/2005 | CN1601205A Method for treating air through composite system of heat pump and dehumidification |
| 03/30/2005 | CN1195185C Geothermal air conditioner system capable of providing hot water |
| 03/24/2005 | WO2005026630A1 Hot-water production system of heat pump type |
| 03/24/2005 | WO2005026625A1 Hot water takeout method by heat pump |
| 03/23/2005 | CN2687585Y Sunshine strength compensating control system for heat pump set |
| 03/23/2005 | CN1598444A Heat pump set using sea water source |
| 03/23/2005 | CN1598442A High temp, under-voltage type manual heating apparatus |
| 03/22/2005 | US6868686 Refrigeration cycle apparatus |
| 03/17/2005 | WO2005024189A1 System for heat refinement |