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Patent Searching and Data


Matches 701 - 750 out of 4,884

Document Document Title
WO2006101404A3
System for utilization of thermal energy. The system comprises a heat pump and accompanying control circuit for optimization of the energy output. The heat pump comprises a first primary circuit collecting thermal energy from air and a s...  
WO2006101405A3
A system for utilization of renewable energy resources and/or recovery of energy, comprising a multifunctional unit, which includes a water heater (1), and a heat pump (2). The heat pump is adapted to transfer heat and/or provide cooling...  
WO2006090387A3
According to the present invention there is provided a compact heat pump using water as refrigerant, comprising an evaporator (20) located at a first end section of the heat pump casing (12) , adapted to allow evaporation of water theref...  
WO2005121657A3
A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as bo...  
WO/2006/114983A1
A warm water/refrigerant heat exchanger (18) for exchanging heat between warm water and refrigerant is provided in a refrigerant route between an expansion mechanism (17) and an evaporator (19). When a refrigerant temperature detector (2...  
WO2005062814A8
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method includes choosing an expansion valve openin...  
WO/2006/110944A1
Apparatus for conditioning air in a space. The apparatus includes a cooling system for cooling and thereby dehumidifying received air to form supply air. A heat recovery system is then used to recover waste heat from the cooling system a...  
WO2006087549A3
A heat engine operating on a vapour compression cycle employing as working fluid one of absolute alcohol, at least 25% ethanol in water, methanol and at least 25% methanol in water and/or ethanol.  
WO/2006/101404A2
System for utilization of thermal energy. The system comprises a heat pump and accompanying control circuit for optimization of the energy output. The heat pump comprises a first primary circuit collecting thermal energy from air and a s...  
WO/2006/101405A2
A system for utilization of renewable energy resources and/or recovery of energy, comprising a multifunctional unit, which includes a water heater (1), and a heat pump (2). The heat pump is adapted to transfer heat and/or provide cooling...  
WO2006028671A3
Provided is a reversing valve for reversing flow in a refrigeration system. The reversing valve includes a valve body having first, second, third, and fourth ports disposed into the valve body. A valve member inside the valve body can be...  
WO/2006/085738A1
Heat pump system (10) for retrieval of residual heat from a flow (F1) of a fluidum, the heat pump system comprising: a first volume (V1) being arranged for containing, at a first state of a first pressure (P1) and a first temperature (T1...  
WO/2006/078215A1
The invention refers to a plant (1) for production of hot water, comprising means for evaporating a refrigerant, a compressor (3) for compressing the refrigerant whereupon the temperature thereof is increased, a condenser (4) for emittin...  
WO/2006/066347A1
A refrigeration apparatus (7200) includes a heat pump circuit (7201) and a power generation circuit (7100). The power generation circuit (7100) includes an evaporator (701) including a first and a second heat exchanger (710a, 710b), a tu...  
WO/2006/065093A1
The present invention relates to coil structures, which are configured to reduce the work of compressors, and to heat pump systems that use the coil structures and are capable of executing double-stage condensation and, more particularly...  
WO2005057094A3
A heat pump system includes a liquid pump used to circulate liquid through the system to prevent freezing when the heat pump is off. In the system, the liquid is circulated in the reverse direction. The liquid used to prevent freezing co...  
WO2006021162B1
A heating system consisting of at least one heating circuit comprising a compressor (1) with its delivery connected to the operating medium line (2) with the internal diameter of the metal tube of 3 to 70 mm; to the operating medium line...  
WO/2006/049527A1
The invention relates to vapour compression heat pump plants and can be used for building heating, hot water supply and for process-oriented use by different factories. In order to increase ecological safety and thermodynamic perfection,...  
WO/2006/045143A1
A first aspect of the invention provides a water heater including an air sourced heat pump for transferring heat to water, said heat pump including a refrigeration circuit and a programmable control system (6) wherein the control system ...  
WO/2006/045227A1
A ground source heat pump system includes a geothermal energy collecting equipment, an energy exalting equipment and a radiator connected in series. The geothermal energy collecting equipment includes a circuit of a heat collector, a low...  
WO/2006/045228A1
A heat pump system by using water as energy source, includes an energy-collecting equipment, a second heat exchanger, an energy-exalting equipment, a first heat exchanger and a radiator connected in series. The energy-collecting equipmen...  
WO2005077015A3
A heat pump (22, 32, 38, 40), and in particular a heat pump for heating a hot water supply (34) is provided with an improved defrost mode. The defrost mode is actuated to remove frost from an outdoor evaporator (40) that may accumulate d...  
WO2005103586A3
A heat pump that uses the air as its heat source comprising a closed heat pump circuit having a working fluid circulating therein, the circuit having an evaporator (9) coil heat exchanger, a compressor (11), a condenser (19, 20) heat exc...  
WO2006021162A3
A heating system consisting of at least one heating circuit comprising a compressor (1) with its delivery connected to the operating medium line (2) with the internal diameter of the metal tube of 3 to 70 mm; to the operating medium line...  
WO/2006/041388A1
A heating installation comprising a first circuit (2) containing a first medium, a second circuit (3) containing a second medium, a first heat generating arrangement (4) arranged in the second circuit, a second heat generating arrangemen...  
WO/2006/021464A1
The invention relates to a method for operating systems comprising media that change their state, such as heat pumps, cooling systems, differential pressure drives in which the change/s of state occur/s in or on heat transfer media in a ...  
WO/2006/021162A2
A heating system consisting of at least one heating circuit comprising a compressor (1) with its delivery connected to the operating medium line (2) with the internal diameter of the metal tube of 3 to 70 mm; to the operating medium line...  
WO/2006/005832A1
The invention concerns an assembly comprising a compressor unit (10), inlets (23) and outlets (24) to a heat collecting network, inlets (33) and outlets (34) to a heat return network, and two heat exchangers (20, 30) coupled to the compr...  
WO/2006/004046A1
A hot-water supply device (10) has a first refrigerant circuit (20), a medium-temperature water circuit (40), a second refrigerant circuit (60), and a high-temperature water circuit (80). The first refrigerant circuit (20) forms a heat p...  
WO/2005/124106A1
An intermediate duct (108) is connected between first and second positive displacement machines (104, 106). An inlet duct (107) is connected to the first positive displacement machine (104). An outlet duct (109) is connected to the secon...  
WO/2005/121685A1
An inlet arrangement (1) for use in plate heat exchangers (2) is disclosed. The arrangement comprises an element with a dispersion opening (6) for arrangement in an inlet (5) in a plate exchanger. The inlet arrangement (1) is arranged to...  
WO/2005/121657A2
A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as bo...  
WO/2005/114073A2
ABSTRACT A sub-surface direct expansion geothermal heat exchange unit, which can be placed in sub-surface ground and/or water, consisting of at least one smaller interior diameter refrigerant liquid/fluid transport line (1) with an optio...  
WO/2005/111564A1
The number n of N poles (40, 40, ...) and S poles (41, 41, ...) arranged on the circumference of a circular tube magnet (4) co-rotating with a first shaft (1) is determined so as to satisfy the expression 2·n·Tmax/k< 360, where k is a ...  
WO2005062814A3
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method includes choosing an expansion valve openin...  
WO2005059448A3
A vapor compression system includes a compressor, a gas cooler, an expansion device, and an evaporator. Refrigerant is circulated through the system. The high side pressure of the vapor compression system is selected to optimize the heat...  
WO2005066555A3
The invention relates to a thermal refrigeration device or heat pump, which utilises a partial recycling of waste heat. Said device comprises an evaporator (1), which is preferably thermally coupled to a first heat exchanger (1w) and a c...  
WO/2005/103586A2
A heat pump that uses the air as its heat source comprising a closed heat pump circuit having a working fluid circulating therein, the circuit having an evaporator (9) coil heat exchanger, a compressor (11), a condenser (19, 20) heat exc...  
WO/2005/100880A1
A combined heat utilization method and a heat pump system utilizing nonaqueous antifreeze solution and snow ice as a heat source wherein an automatic system for treating snow ice and utilizing cold heat is employed in a city, an airport ...  
WO/2005/100868A1
A composite heat utilizing method with snow and ice used as a heat source, wherein snow and ice disposal and cold heat utilization in cities, airports, railroad stations, etc., in cold snow districts having the problem of conquering and ...  
WO2005074485A3
A method comprises the steps of (a) providing a refrigeration unit having a refrigerated or heated space and at least one measured operating parameter, (b) providing heat to the refrigerated space when the at least one measured operating...  
WO2005059447A3
An expander controls the expansion and flow of refrigerant between high and low pressure within a vapor compression system. The expander drives a shaft that in turn drives a friction disk within a friction heat generator. Frictional cont...  
WO/2005/090874A1
A control particularly useful for a hot water heating system, includes calculation of a desired leaving water temperature for water leaving a hot water heat exchanger, and a desired refrigerant condition for most efficiently achieving th...  
WO/2005/085717A1
An air conditioning system taking the ground as a heat source with heat pump comprises a heat-collected well, a heat pump and a user side heat exchanger coil. There is a water supply pipe and a water return pipe in the heat-collected wel...  
WO/2005/077015A2
A heat pump (22, 32, 38, 40), and in particular a heat pump for heating a hot water supply (34) is provided with an improved defrost mode. The defrost mode is actuated to remove frost from an outdoor evaporator (40) that may accumulate d...  
WO/2005/074485A2
A method comprises the steps of (a) providing a refrigeration unit having a refrigerated or heated space and at least one measured operating parameter, (b) providing heat to the refrigerated space when the at least one measured operating...  
WO/2005/066465A1
The invention relates to a method for converting heat energy arising in a refrigerating machine (8) from the condensation of the refrigerant into mechanical energy, wherein a working medium is evaporated in an evaporator (6) by the heat ...  
WO/2005/066555A2
The invention relates to a thermal refrigeration device or heat pump, which utilises a partial recycling of waste heat. Said device comprises an evaporator (1), which is preferably thermally coupled to a first heat exchanger (1w) and a c...  
WO/2005/066466A1
The invention relates to a method for converting heat energy into mechanical energy by relieving a vaporous working medium using an expansion device (4) which is connected to a first heat exchanger (3). According to the invention, the me...  
WO/2005/062814A2
A method of controlling a startup operation in a heat pump water heater system prevents inadvertent shutdowns and/or low operating efficiencies via closed loop control of the system. The method includes choosing an expansion valve openin...  

Matches 701 - 750 out of 4,884