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| Number | Title | Issue Date |
| 7412841 | Turbo chiller, compressor therefor, and control method therefor A compressor for a turbo chiller that can stably and efficiently operate in various operating states is provided. An aerodynamic feature map showing a rotating stall line at which rotating stall occurs is provided on a map represented by a flow parameter reflecting ... | 08/19/2008 |
| 7373784 | Methods and apparatus for beer dispensing systems A multiple-temperature beer dispensing system (10) (and related methods) is provided in which a plurality of beer sources (12) are coupled to a plurality of taps (16). Heat exchangers (18) may be disposed between one or more of the beer s... | 05/20/2008 |
| 7370490 | Air-conditioning system with full heat recovery The present invention relates to an air-conditioning system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; one side of the condenser is disposed in a position corresponding to an indoor air outlet and an outdoor a... | 05/13/2008 |
| 7370486 | Air-treatment system with secondary circuit An air-treatment system includes a cooling circuit, a first heat exchanger in thermal communication with the cooling circuit, and a secondary circuit in thermal communication with the first heat exchanger. The air-treatment system also includes a controller in commu... | 05/13/2008 |
| 7356997 | Chilled water storage for milk cooling process The chilled water storage for milk cooling process encompasses methods for chilling liquids during off peak hours for later consumption, including a method for cooling the interior of a building while conserving energy during peak demand hours, in which water is chi... | 04/15/2008 |
| 7347057 | Control of dual-heated absorption heat-transfer machines An absorption, heat-transfer system with an operationally interconnected generator, absorber, condenser, and evaporator; at least two separate heat sources for heating the generator; and a controller for controlling the heat sources. The controller, e.g., a programm... | 03/25/2008 |
| 7322903 | Control method for cooling a launch clutch and an electric motor in a hybrid electric vehicle powertrain A method is for controlling a rate of flow of cooling oil to a friction launch clutch and electric motor in a hybrid electric vehicle powertrain. The rate of flow is determined by changes in clutch temperature and motor temperature. Cooling oil flow in excess of the... | 01/29/2008 |
| 7316267 | Heat pump water device A flash water heater using a heat pump includes a heat exchanger in which a refrigerant flow path exchanges heat with a water flow path. Tap water is led directly to the water flow path, and hot water supplied from the water flow path is used. The water heater inclu... | 01/08/2008 |
| 7281392 | Beverage-cooling device A beverage-cooling device includes a refrigeration unit, a position unit and a switch unit. The refrigeration unit has a housing with a cavity formed therein and a tube disposed inside the cavity. The tube has an inlet and an outlet both secured to the housing, and ... | 10/16/2007 |
| 7270905 | Microsystem process networks Various aspects and applications of microsystem process networks are described. The design of many types of Microsystems can be improved by ortho-cascading mass, heat, or other unit process operations. Microsystems having energetically efficient microchannel heat ex... | 09/18/2007 |
| 7266970 | Water cooling system with full heat recovery The present invention relates to a water cooling system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; the evaporator connects with a cooling water recycling circuit; one side of the condenser is disposed in a pos... | 09/11/2007 |
| 7264046 | Air-conditioning system An air-conditioning system embodiment for temperature control in a vehicle comprises heater cores, controllably connected to a coolant contour, outletting the conditioned air towards a person sitting in a chair, or into a food compartment. Some cores are mounted ins... | 09/04/2007 |
| 7225629 | Energy-efficient heat pump water heater An energy-efficient heat pump water heating system determines whether to energize a heat pump by interpreting readings from one or temperature sensors based on two thresholds. The heat pump is energized if the detected temperature falls below a first threshold and d... | 06/05/2007 |
| 7222492 | Chilled water storage for milk cooling process A process for cooling liquids wherein a coolant is cooled in a chiller during off-peak electrical demand periods, then directed to a first insulated storage vessel where it is stored until off-peak electrical demand periods have ended. During peak electrical demand ... | 05/29/2007 |
| 7216496 | Heating medium circulating device and thermal, treatment equipment using the device There is provided a heating medium circulating apparatus which is small and which does not require a very large installation space. In a heating medium circulating apparatus wherein a temperature controlling object being an object to be temperature-controlled, a mai... | 05/15/2007 |
| 7182126 | Fluid heater A heat distribution apparatus comprising a fluid conduit having a peripheral wall defining a flow passage and a pair of fluid capillaries extending along the wall and secured thereto. The capillaries being connected to one another in series to provide a fluid flow p... | 02/27/2007 |
| 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 |
| 7168258 | Real temperature output air conditioner A real temperature output air conditioner which lowers the ambient temperature of an interior space to a desired temperature and, once that has been achieved, delivers a constant flow of air at that specific temperature thereto. The present invention further include... | 01/30/2007 |
| 7152413 | Thermal energy transfer unit and method A thermal energy transfer unit is provided for conventional Freon air conditioning. One or several thermal energy transfer units are operatively interconnected to one or several conventional air condition systems and share a common energy storage tank. Each thermal ... | 12/26/2006 |
| 7150155 | Beverage dispenser A beverage dispenser providing access to beverage containers in a refrigerator. Containers may be accessed through the door and may be obtained without opening the door of the refrigerator. Multiple beverage container types may be supplied. ... | 12/19/2006 |
| 7127905 | Vapor compression system startup method 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 opening at startup near an expected... | 10/31/2006 |
| 7117685 | Drinking water cooler A cooler (100) for supplying cooled drinking water, particularly at remote outdoor locations, includes a reservoir (101) that supplies water to a conduit (119) for indirect cooling by a cooling medium, for example ice, contained in a container (... | 10/10/2006 |
| 7089088 | Integrated HVACR control and protection system An integrated HVACR control and protection system includes a modular and reprogrammable design providing a plurality of possible combinations of power detection, voltage detection, run current detection, transient current detection, temperature detection, universal ... | 08/08/2006 |
| 7076964 | Super-critical refrigerant cycle system and water heater using the same In a heat-pump water heater with a super-critical refrigerant cycle, a valve open degree of a decompression valve is controlled to control a pressure of high-pressure side refrigerant so that a temperature difference between refrigerant flowing out from the water-re... | 07/18/2006 |
| 7069734 | Methods for detecting surge in centrifugal compressors A method and apparatus for detecting surge in a refrigeration system that includes a centrifugal compressor having an impeller and a compressor entrance, an evaporator that receives a fluid refrigerant, a suction line that flows the refrigerant from the evaporator t... | 07/04/2006 |
| 7066729 | Gas powered heat delivery system A gas powered heat delivery system, comprising a fuel gas supply, a catalytic heater connected to the fuel gas supply; a tank containing fluid, the tank being disposed to receive heat from the catalytic heater; a one way conduit having an inlet for receiving fluid f... | 06/27/2006 |
| 7068026 | Sensor signal circuit and measuring instrument A sensor signal circuit of the present invention includes a tacho generator (42) for detecting revolution speed of a motor and outing a detection result as a sensor signal converted to a voltage, and a controller (5) for driving and controlling the mot... | 06/27/2006 |
| 7064804 | Temperature adjustment apparatus, exposure apparatus having the temperature adjustment apparatus, and semiconductor device manufacturing method An exposure apparatus having an illumination optical unit for emitting exposure light, a stage for supporting a substrate, and a main controller for controlling exposure operation of transferring a pattern formed on a master to the substrate. The apparatus includes ... | 06/20/2006 |
| 7051543 | Refrigeration system including water chilling device A refrigeration system includes a housing and a plurality of pans removably positionable therein. A water chilling system is disposed within the housing and includes a compressor and a water reservoir housing a cooling coil disposed therein. A plurality of pipes are... | 05/30/2006 |
| 7043929 | Alcoholic beverage dispenser with temperature control An alcoholic beverage dispenser includes a housing, a holding tank, a cap member, a cooling device, and a dispensing valve. The housing has a top end formed with a beverage inlet. The holding tank is mounted in the housing, is in fluid communication with the beverag... | 05/16/2006 |
| 7036330 | Free cooling activation optimized controls A method for optimizing free cooling activation comprising the steps of operating an air conditioning unit in a chiller mode, determining a building load, determining a free cooler maximum available capacity (FreeCapM), and activating a free cooling mode of the air ... | 05/02/2006 |
| 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 |
| 7024877 | Water heating system A water heating system including a water storage vessel; a water circuit; first and second heat exchangers operably disposed in the water circuit; and a vapor compression system defining a refrigerant circuit. The vapor compression system includes first and second c... | 04/11/2006 |
| 7021073 | Heat pump hot water supply system of hot water storage type When heating up the water in the lower inner part of a hot water tank by a heat pump unit, a control unit stops the heat-up operation while leaving the hot water in an amount corresponding to the residual water capacity in the hot water tank detected by water level ... | 04/04/2006 |
| 7011744 | Brine supply unit A brine supply unit for supplying brine to at least one load after controlling the brine so as to meet a target temperature of the load comprises: a heat exchanger disposed at a brine-cooling channel, through which the brine returned from the load flows, for cooling... | 03/14/2006 |
| 7007491 | Thermal management system for a vehicle A thermal management system for a vehicle includes an engine operable to generate energy. An energy storage unit may be associated with the engine and adapted to receive and store the energy generated by the engine. A temperature control unit may be associated with ... | 03/07/2006 |
| 7004625 | System and method for temperature sensing and monitoring An approach for digitally measuring temperature in support of a monitoring application is disclosed. Multiple probes, according to one embodiment, are deployed for sensing environmental parameters (e.g., temperature, liquid level, flow). Each probe has a thermally c... | 02/28/2006 |
| 7003977 | Cryogenic cooling system and method with cold storage device A cooling system for providing cryogenic cooling fluid to an apparatus comprises a re-circulation device, a passive cold storage device having a porous matrix of material which directly contacts the cryogenic cooling fluid as the cryogenic cooling fluid passes throu... | 02/28/2006 |
| 6986261 | Method and system for controlling chiller and semiconductor processing system A semiconductor processing system includes a control section that refers to recipe information on a process sequence, thereby detects that a processing apparatus will shift from an ordinary operation state to a long idle state, and switches thermo-medium circulation... | 01/17/2006 |
| 6973958 | Heat transfer apparatus having anti-oxidization device A heat transfer apparatus includes one heat exchanging system having a compressor coupled between a condenser and a heat exchanger. A further heat exchanging system includes a water pump, an ion exchange filter coupled between the water pump and the heat exchanger, ... | 12/13/2005 |
