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| Number | Title | Issue Date |
| 8074459 | Heat pump system having auxiliary water heating and heat exchanger bypass A heat pump system (10) includes a compressor (20), a reversing valve (30), an outdoor heat exchanger (40) and an indoor heat exchanger (50) coupled via refrigerant lines (35, 45, 55) in a conventional refrigeration circuit,... | 12/13/2011 |
| 7971443 | Refrigerator There is provided a temperature switching compartment 3 which can switch the internal temperature thereof between a low temperature side at which a storage material is kept in cold storage and a high temperature side maintained at 50° C., to 80° C. at which... | 07/05/2011 |
| 7797953 | Air conditioning system and controller for the same An air conditioning system equipped with at least one first air conditioning system in which an outdoor unit is connected to plural indoor units through an inter-unit pipe and the plural indoor units are allowed to execute one of cooling operation and heating operat... | 09/21/2010 |
| 7434415 | System and method for using hot gas reheat for humidity control A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a compressor, a condenser and an evaporator. A hot gas reheat circuit ... | 10/14/2008 |
| 7367199 | Method for automatically balancing air conditioning outdoor heat exchange A method for automatically balancing air conditioning outdoor heat exchange detects a piping measured value of each piping equipment through a detection unit and compares the piping measured value with a set operation mode selected by users and a set value. Airflow ... | 05/06/2008 |
| 7353658 | Systems and methods for freezing, storing, transporting, and thawing biopharmacuetical material A system for freezing, thawing, transporting, and storing a biopharmaceutical material, which includes a container, a supporting structure, a temperature control unit, and a transportation cart. The container is adapted to receive the biopharmaceutical material ther... | 04/08/2008 |
| 7337622 | Humidity-based defog control method for a vehicle climate control system A vehicle climate control system develops a fog index based on relative humidity at or near the inner surface of the windshield, and uses the fog index to variably override the normal control settings. The relative humidity is combined with a pair of humidity thresh... | 03/04/2008 |
| 7334632 | Variable volumetric flow heat exchanger for an air-to-air heat recovery system A variable volumetric flow heat exchanger for a building air-to-air heat recovery system that is operable at a high volumetric flow rate and at a low volumetric flow rate. The heat exchanger includes multiple heat exchange banks, including at least one continuous du... | 02/26/2008 |
| 7331196 | Refrigerating apparatus and refrigerator In the case that heat absorbing means that function in selectively different temperature ranges, are provided in a refrigerating cycle, an object is to provide a refrigerating apparatus capable of suppressing the deterioration of efficiency in either temperature ran... | 02/19/2008 |
| 7320227 | Refrigerator with a separate insulated compartment provided with a drain pipe A refrigerator is provided which includes at least one separate, thermally well-insulated and cooled compartment. A drain pipe is provided in the compartment to drain condensation water which forms when a heated food storage container cools in the compartment. ... | 01/22/2008 |
| 7308800 | Multi-type air conditioner with defrosting device Multi-type air conditioner comprising an outdoor unit installed in an outdoor, comprising a compressor, a refrigerant flow controlling part connected to a discharge end of the compressor for guiding the refrigerant proper to operation conditions selectively, an outd... | 12/18/2007 |
| 7290395 | High power thermoelectric controller A high power thermoelectric controller system is disclosed, capable of operating multiple thermoelectric cooler (TEC) devices, each with a maximum power demand greater than 200 watts. The controller system utilizes interleaved triggering of multiple pulse width modu... | 11/06/2007 |
| 7290399 | Multi-circuit dehumidification heat pump system In a multi-circuit heat pump system least one of the circuits has a reheat function. Various reheat concepts may be independently utilized for each circuit to reheat and dehumidify air. Moreover, the ability to bypass refrigerant around the outdoor heat exchanger ma... | 11/06/2007 |
| 7287394 | Refrigerant heat pump with reheat circuit A refrigerant heat pump system is operable in both heating and cooling modes. A reheat circuit is integrated into the system schematic to provide improved control over temperature and humidity and to cover a wide spectrum of sensible and latent capacity demands.... | 10/30/2007 |
| 7287398 | Heating/cooling system for indwelling heat exchange catheter A cooling system for an indwelling heat exchange catheter includes a heat exchange bath that is configured to receive a conduit that carries saline to and from the catheter. A heating/cooling fluid is in the bath and exchanges heat with the saline. The heating/cooli... | 10/30/2007 |
| 7275379 | Automotive HVAC system and method of operating same utilizing enthalpy-based control The present invention concerns a method for controlling the operation of an automotive HVAC system. The HVAC system includes at least a refrigerant compressor and a refrigerant evaporator. The method includes the steps of calculating an ambient air enthalpy value; c... | 10/02/2007 |
| 7275384 | Heat pump with reheat circuit A refrigerant heat pump system is operable in both heating and cooling modes. A reheat circuit is integrated into the system schematic to provide improved control over temperature and humidity and to cover a wide spectrum of sensible and latent capacity demands. In ... | 10/02/2007 |
| 7249718 | Cooling system with a variable maximum operation level A cooling system for an electronic system having at least one heat-generating component includes at least one fan and an operation level setting mechanism. The at least one fan is configured to blow air through the electronic system to thereby dissipate heat generat... | 07/31/2007 |
| 7231776 | Air-conditioning system for a motor vehicle In an air-conditioning system for a motor vehicle having an internal combustion engine with an engine cooling circuit with a heat exchanger for heating and a heat pump with a refrigerant circuit including a heat exchanger for cooling the interior compartment of the ... | 06/19/2007 |
| 7210523 | Vehicle air conditioner A vehicle air conditioner has an air conditioning unit and an air conditioning control unit. The air conditioning unit has a FACE blowout port, a DEF blowout port, an upper blowout port. The air conditioning control unit estimates an outside windshield temperature a... | 05/01/2007 |
| 7204094 | Air conditioner An air conditioner having a plurality of outdoor units and a plurality of indoor units with a common piping connected via a common piping to transfer refrigerant therebetween, the air conditioner including a first outdoor unit to provide heat, a second outdoor unit ... | 04/17/2007 |
| 7188779 | Zone climate control A zone climate control system and method of its operation. A zone can be a single room. A method for determining which zones' vents are to be closed, and which are to be opened, in performing heating or cooling, circulation to heat or cool a zone by mixing its air w... | 03/13/2007 |
| 7179046 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units a... | 02/20/2007 |
| 7178362 | Expansion device arrangement for vapor compression system A carbon dioxide vapor compression system including a compressor, a first heat exchanger, an expansion device arrangement, and a second heat exchanger connected in a closed loop. The expansion device arrangement includes an inlet line disposed between the first heat... | 02/20/2007 |
| 7162889 | Air conditioner Air conditioner including a case having air inlet and outlet passages therein perpendicular to each other, and a plurality of air inlet and outlets at ends of the air inlet and outlet passages, a regenerative heat exchanger at a cross point of the air inlet and outl... | 01/16/2007 |
| 7143594 | Control method for operating a refrigeration system A method of controlling a heating cycle of a refrigeration system is provided that includes a refrigerant circuit. The refrigerant circuit includes a compressor having a suction port and an outlet having a discharge port with a hot gas compressor discharge line, a c... | 12/05/2006 |
| 7137775 | Fan array fan section in air-handling systems A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units a... | 11/21/2006 |
| 7137261 | Systems and methods for freezing, mixing and thawing biopharmaceutical material A system for controlled freezing, storing and thawing of a biopharmaceutical material includes a cavity for receiving a container for holding the biopharmaceutical material. Further included are at least a pair of opposed surfaces facing the biopharmaceutical materi... | 11/21/2006 |
| 7131283 | Method for controlling multi-type air conditioner Method for controlling a multi-type air conditioner having a plurality of indoor units each with an expansion valve, an indoor heat exchanger, and an indoor fan, some of which heat rooms, and rest of which are turned off, including the steps of (S11) defining... | 11/07/2006 |
| 7131291 | Compression system for cooling and heating purposes A compression refrigeration system includes a compressor (1), a heat rejector (2), expansion device (3) and a heat absorber (4) connected in a closed circulation circuit that may operate with supercritical high-side pressure. The refriger... | 11/07/2006 |
| 7104074 | Systems and methods for freezing, storing, transporting and thawing biopharmaceutical material A system for freezing, thawing, transporting, and storing a biopharmaceutical material, which includes a container, a supporting structure, a temperature control unit, and a transportation cart. The container is adapted to receive the biopharmaceutical material ther... | 09/12/2006 |
| 7096679 | Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device A transcritical vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, at least one non-variable expansion device and a sec... | 08/29/2006 |
| 7069740 | Accumulator and air conditioning system using the same An improved accumulator is disclosed, which includes a body having an empty space therein; an inlet tube inserted into the inside of the body from a top thereof, downwardly, for an inflow of a refrigerant to the inside of the body; an outlet tube inserted into the i... | 07/04/2006 |
| 7055590 | Air conditioning apparatus for vehicle An air conditioning apparatus includes a valve for selectively introducing the coolant discharged from a compressor to either a flow path for a water-coolant heat exchanger or another flow path to avoid the heat exchanger, a thermostat for detecting the temperature ... | 06/06/2006 |
| 7051549 | Refrigerator A refrigerator is provided which includes a variable temperature storage formed in the chilling chamber; a heating room formed on a side of the variable temperature storage; a heating device installed in the heating room and configured to generate heat; a first loca... | 05/30/2006 |
| 7028492 | Hybrid dehumidication system A hybrid dehumidification system includes a compressor, a condenser, an expansion device and an evaporator connected for flow of working fluid through a fluid circuit; a reheat coil positioned relative to the evaporator for heating at least a portion of a stream of ... | 04/18/2006 |
| 7028768 | Fluid heat exchange control system A method of controlling a hydronic system is provided. The hydronic system includes a plurality of fluid heat exchange units for feeding a load, and a bypass valve for bypassing the load. The method includes operating at least a first and a second fluid heat exchang... | 04/18/2006 |
| 7013669 | Arrangement for multi-stage heat pump assembly A gasdynamic arrangement for a multi-stage centrifugal turbomachine, such as a two-stage compressor, comprising two coaxial impellers assembled on a common shaft with axial intake ports and radial peripheral discharge zones, the intake ports of the two impellers pre... | 03/21/2006 |
| 6997006 | Cooling device A cooling system that has a heat exchanger which is housed in one enclosure and is constituted of a plurality of heat exchange modes, and the heat exchanger includes a refrigerant forced circulation mode, a refrigerant natural circulation mode, and a ventilation mod... | 02/14/2006 |
| 6976524 | Apparatus for maximum work An apparatus for maximum work comprising central equipment comprising a refrigeration machine, a water heater, an evaporative cooler and hot and cold storage tanks. Airside equipment for providing supply air to a room or zone. A hot supply/return pipe, a cold supply... | 12/20/2005 |
