F25B 30 - Heat pumps - Patents Sitemap

Patents for F25B 30 - Heat pumps (6,899)
12/2006
12/27/2006	CN2851989Y Air heat pump without consumption of electric energy
12/27/2006	CN1884942A Solar heat pump and air conditioning system using the heat pump
12/27/2006	CN1884941A Heat pump heating system capable of improving heating effect in winter and special heating apparatus therefor
12/21/2006	WO2006101405A3 A system for utalization of renewable energy sources
12/21/2006	WO2006101404A3 A system for utilization of thermal energy
12/21/2006	DE202006013448U1 A method for storing drinking water in a heat pump system has the tank independently integrated with a buffer storage tank of larger capacity
12/20/2006	CN2849606Y Refrigerating/heat pump circulation device
12/20/2006	CN2849601Y Energy-saving type water energy accumulation land source heat pump air conditioner
12/20/2006	CN2849548Y Air supplying system for compressor
12/13/2006	CN1877227A Two-stage type-I absorption heat pump
12/13/2006	CN1877226A Two-stage and multi-stage type-II absorption heat transformer
12/13/2006	CN1289885C Heating defreezer for air conditioner and refrigerator
12/13/2006	CN1289882C Geothermal space conditioning
12/07/2006	WO2006090387A3 Compact heat pump using water as refrigerant
12/07/2006	CA2574996A1 Heat pump system with auxiliary water heating
12/06/2006	CN1875228A Hot-water production system of heat pump type
12/06/2006	CN1873352A Heat pump water heater with changeable capacity and changeable flux
12/06/2006	CN1873350A Integrated heat pump controlled by fuzzy and heredity algorithm in use for instant cooling and heating
12/06/2006	CN1288401C Heat pump (refrigerating) system with injector and liquid storage subcooler
11/2006
11/29/2006	EP1725816A1 Multi-variable control of refrigerant systems
11/29/2006	CN2842316Y Underground heat-exchanger heat-moisture balancer
11/29/2006	CN2842315Y Soil heat-exchanger ground-source heat pump cold-hot water machine group
11/29/2006	CN1869555A Heat pump air conditioner of air source, solar, water source
11/29/2006	CN1869554A 二元制冷机 Two yuan refrigerator
11/22/2006	CN1865816A Second lithium bromide absorption type heat pump for direct preparation of steam
11/22/2006	CN1865798A Air conditioner
11/22/2006	CN1285868C Heat exchange application method of transporting cold and heat source in straight flow from city native ground wastewater
11/16/2006	WO2005121657A3 Thermal control system and method
11/16/2006	DE102005022390A1 Column-form air-heat exchanger has dedicated check valve for each fan which closes fan in event of fan failure, and air guiding unit on air outlet side of fan deflects air from installation wall
11/15/2006	CN1864039A Heating and defrosting methods and apparatus
11/15/2006	CN1862148A Integrated apparatus of solar heat pump heating and photovoltaic generating
11/11/2006	CA2545845A1 Heating/cooling system
11/09/2006	US20060248906 Air conditioning system for a vehicle and associated operating method
11/08/2006	CN1858506A Multiple central heat pump heating and air conditioning water heater
11/07/2006	US7131288 Heat exchanger
11/02/2006	WO2006114983A1 Refrigeration cycle device
11/02/2006	WO2005062814A8 Vapor compression startup method and system
11/02/2006	EP1716370A1 Chemical heat pump working according to the hybrid principle
11/01/2006	CN2833454Y Central heating and refrigerating device utilizing urban sewage
11/01/2006	CN1854645A Geothermal heat-pumping system
10/2006
10/31/2006	US7127905 Vapor compression system startup method
10/26/2006	WO2006110944A1 Air conditioning and heat recovery
10/26/2006	WO2006087549A3 Heat engines and compressors
10/26/2006	US20060237170 Heat exchanging device
10/26/2006	DE102005019146A1 Heat pump operating method, involves alternatively switching compressor from compressed condition to idle condition, and synchronizing refrigerant overheating control with switching of compressor from compressed condition to idle condition
10/25/2006	EP1715031A1 Method and apparatus for providing water or steam as heating medium in a process
10/25/2006	EP1714095A2 Heater cycling for improved oil return
10/25/2006	EP1714091A2 Defrost mode for hvac heat pump systems
10/25/2006	CN2830984Y Vertical buried geothermal heat exchanger
10/25/2006	CN1853075A Refrigeration system having variable speed fan
10/25/2006	CN1281908C Air-cooled air conditioner by employing heat pump energy accumulation
10/18/2006	EP1712854A2 Wide temperature range heat pump
10/18/2006	EP1711755A1 Method, apparatus and system for transferring heat
10/18/2006	EP1346184B1 Heat exchanger
10/18/2006	CN2828675Y Environment protection heat pump
10/18/2006	CN2828673Y Energy-saving set of ice storage heat pump
10/18/2006	CN1849485A Hot water takeout method by heat pump
10/18/2006	CN1847755A High temperature heat pump set for recovering afterheat of power plant and printing and dyeing industry
10/18/2006	CN1847754A Underground heat exchanger of earth energy heat pump system
10/18/2006	CN1847753A Wide temperature range heat pump
10/12/2006	DE202006009538U1 A method for heating a building has two heat pumps in a circuit with an air circulation system by which room air and fresh air are heat exchanged and led over the compressors and condensers of the heat pumps
10/11/2006	EP1709373A2 Transcritical vapor compression optimization through maximization of heating capacity
10/11/2006	EP1709371A2 Vapor compression startup method and system
10/11/2006	CN2826382Y Multifunctional device for testing shallow layer earth energy
10/11/2006	CN1844803A Household gas-fired heat pump air conditioner
10/11/2006	CN1844802A Method and apparatus utilizing water source heat pump to exchange heat
10/11/2006	CN1279323C Heat pump set using sea water source
10/11/2006	CN1279322C Household cold, heat and power triple supply system adopting vapor compression type electrothermal pump
10/04/2006	EP1706690A2 Heat generating expander for heat pump systems
10/04/2006	EP1706681A1 Method and system for increasing the temperature of a vaporous working medium
10/04/2006	EP1706599A1 Method and system for converting heat energy into mechanical energy
10/04/2006	EP1706598A1 Method and installation for converting heat energy from refrigerating machines
10/04/2006	CN2823923Y 水源热泵空调 Water source heat pump
10/04/2006	CN1840993A Engine driven heat pump
10/04/2006	CN1840985A Underground circulating geothermal heat exchanger
10/04/2006	CN1840979A Heat-pump type hot-water boiler
09/2006
09/28/2006	WO2006101405A2 A system for utalization of renewable energy sources
09/28/2006	WO2006101404A2 A system for utilization of thermal energy
09/28/2006	DE102006004039A1 Suction type carburation apparatus for e.g. air conditioner has suction core provided in adsorber to pour fluid temporarily stored in sub-tank
09/27/2006	CN1837690A Engine-driven air conditioning machine
09/27/2006	CN1277088C Duplex air governor
09/21/2006	WO2006028671A3 Reversing valve with flowsplitter
09/21/2006	DE102005011773A1 Heating unit for e.g. single-family house, has housing provided in frame in positive-fit and replaceable manner, where frame is attached to outer wall and roof surface of building so that housing is connected with interior space/outside air
09/20/2006	EP1702140A1 Method for converting heat energy into mechanical energy with a low-pressure expansion device
09/20/2006	EP1702139A1 Device and method for converting heat energy into mechanical energy
09/20/2006	CN2819128Y Double-assembled hot pump of back-water supplying water system
09/20/2006	CN1834552A Multi-set parallel heat pump system
09/20/2006	CN1834551A Solar heat pump air conditioning integral system
09/19/2006	USRE39288 Heat pump system and method for air-conditioning
09/14/2006	DE102005011709A1 Heat pump for water for industrial use has a coiled pipe condenser, a heat-transmission unit and a reservoir for water for industrial use
09/14/2006	DE102005011239A1 Geothermal energy plant operating method, by extracting heat from the system and inputting heat to the system simultaneously or with a time offset
09/13/2006	CN2816695Y Heat-pipe ground-source heat pump-device
09/13/2006	CN1275009C Solar energy heat pump air conditioning system and solar energy plus air source heat pump air conditioning system
09/13/2006	CN1275000C Carbon dioxide cabinet type heat pump air conditioner
09/13/2006	CN1274603C Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy
09/12/2006	US7104079 Heat pump
09/06/2006	CN1828188A Air source water source heat pump air-conditioner
09/06/2006	CN1828187A Separating type water source heat pump energy storage air conditioner
09/06/2006	CN1828186A Heat pump air conditioner system and its steam jet control device and method
09/06/2006	CN1828185A Heat pump type air conditioner especially suitable for highly effective heating operation under low temperature

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