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| Number | Title | Issue Date |
| 7770406 | Refrigerator A high-pressure side discharge port of a two-stage compressor (12A) and a condenser (14A) are connected, condenser (14A) and a PMV (15A) are connected, a refrigerating side exit of PMV (15A) is connected to a medium pressure side s... | 08/10/2010 |
| 7631511 | Portable air conditioning and water cooling apparatus A portable air conditioning and water-cooling unit includes a mass of refrigerant and a compressor for compressing the refrigerant. The unit also includes a single condenser for condensing the refrigerant and a pipe connecting the compressor and condenser. First and... | 12/15/2009 |
| 7628025 | Method of operating refrigerator A method of operating a refrigerator is disclosed, by which a silent operation of the refrigerator is enabled. The present invention includes a step (a) of controlling a flow of a refrigerant so that the refrigerant can be introduced into at least one accumulator co... | 12/08/2009 |
| 7533537 | Methods and apparatus for controlling refrigerators A method of switching refrigerant flow between a path to a freezer evaporator in a freezer compartment and a path to a fresh food evaporator in a fresh food compartment of a refrigerator includes providing a three-way valve with at least three operational positions ... | 05/19/2009 |
| 7493775 | Air conditioner An air conditioning apparatus has plural indoor units having: plural heat exchangers; and flow controllers respectively corresponding to the heat exchangers. In each of the indoor units, one heat exchanger is used as a condenser, and another heat exchanger is used a... | 02/24/2009 |
| 7458225 | Dual-type air-type air conditioning system for vehicles The present invention relates to a refrigerating cycle of a dual-type air conditioning system for vehicles having a front and rear evaporators provided at the front and rear sides of the car, in which the installation space for a refrigerant discharging pipe install... | 12/02/2008 |
| 7430874 | Vehicle air conditioning system A vehicle air conditioning system is disclosed that includes a compressor, a condenser, a front evaporator and a rear evaporator. The condenser is operably coupled to the compressor. The front evaporator is operably coupled to the condenser and the rear evaporator i... | 10/07/2008 |
| 7424807 | Supercritical pressure regulation of economized refrigeration system by use of an interstage accumulator Refrigerant is circulated through an economized refrigeration system including a compressor, a gas cooler, a main expansion device, an economizer heat exchanger and an evaporator. After cooling, the refrigerant splits into an economizer flow path and a main flow pat... | 09/16/2008 |
| 7395674 | Air conditioner An air conditioner has a heat source refrigerant circuit, utilization refrigerant circuits, a pressurizing circuit, and a cooler. The heat source refrigerant circuit is configured by an interconnection of a compression mechanism, a heat source heat exchanger, and a ... | 07/08/2008 |
| 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 |
| 7370487 | Refrigerating cycle device capable of ensuring oil return Whether or not a flow rate of a circulating refrigerant is higher than a predetermined threshold value is judged and when the flow rate is higher than the predetermined threshold value, the discharge flow rate of a compressor 11 is controlled in accordance wi... | 05/13/2008 |
| 7353664 | Heat pump and compressor discharge pressure controlling apparatus for the same Disclosed herein is a heat pump. The heat pump comprises a compressor, indoor and outdoor heat exchangers for condensing or evaporating refrigerant compressed by the compressor according to cooling or heating operation mode, a four-way valve for guiding the flow of ... | 04/08/2008 |
| 7353660 | Multi-temperature cooling system with unloading A compressor has an inlet, an outlet, and at least an intermediate first port therebetween. A condenser is coupled to the compressor to receive refrigerant. First and second evaporators are coupled to the condenser to receive refrigerant. Conduits define a return fl... | 04/08/2008 |
| 7348522 | Apparatus for thawing frozen food items An apparatus is disclosed for thawing a frozen food item, including a chamber dimensioned to receive the frozen food item, a heat exchanger operable to either heat air in the chamber or to cool the air in the chamber, a fan for creating a flow of the air within the ... | 03/25/2008 |
| 7337625 | Thermal control systems for process tools requiring operation over wide temperature ranges A system and method for maintaining the temperature of a thermal transfer fluid at a selectable level within a wide temperature range, so as to operate a process tool in a chosen mode employing at lease two cascaded stages, each operating with a different fluid in a... | 03/04/2008 |
| 7337769 | Charge air cooler having refrigerant coils and method for cooling charge air An apparatus and a method for cooling charge air, comprising the steps of introducing a cooling agent into at least one cooling agent conduit whereby the at least one cooling agent conduit is cooled (Step 401), flowing thermally charged air through a pluralit... | 03/04/2008 |
| 7336952 | Method and system for hard handoff in a broadcast communication system A method and system for a handoff in a broadcast communication system is disclosed. A subscriber-assisted handoff is impractical in a broadcast communication system due to e.g., a high signaling load, a difficulty to synchronize the broadcast transmission. On the ot... | 02/26/2008 |
| 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 |
| 7278273 | Modular data center Modular data centers with modular components suitable for use with rack or shelf mount computing systems, for example, are disclosed. The modular center generally includes a modular computing module including an intermodal shipping container and computing systems mo... | 10/09/2007 |
| 7275387 | Integrated ice and beverage dispenser An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The ice cube-making machine has an evaporator package, a separate compressor package and a sep... | 10/02/2007 |
| 7270278 | Distributed intelligence control for commercial refrigeration A commercial refrigeration system including a compressor, a condenser, a valve, and an evaporator coil, all of which are in fluid communication. The refrigeration system further including a fixture adapted to be cooled by the evaporator coil, a system controller ope... | 09/18/2007 |
| 7257958 | Multi-temperature cooling system A refrigeration system has first and second evaporators which may be operated at first and second temperatures. Refrigerant from a lower temperature evaporator may be returned to a compressor suction port. Refrigerant from the higher temperature evaporator may be re... | 08/21/2007 |
| 7260462 | Method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle A method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle. With known methods, electromagnetic valves are triggered with a pulse-width-modulated signal having a constant clock frequency. The object is to provid... | 08/21/2007 |
| 7243501 | Expansion device for an air-conditioning system An expansion device, intended for installation in an air conditioning system with a supercritical refrigerant fluid (FR), is described. The expansion device (12) comprises a body (120) through which refrigerant fluid passes, equipped with an inlet cham... | 07/17/2007 |
| 7237395 | Methods and apparatus for controlling refrigerators A method of switching refrigerant flow between a path to a fresh food evaporator in a fresh food compartment and a path to a freezer evaporator in a freezer compartment of a refrigerator, wherein the fresh food evaporator is coupled to a first fan and the freezer ev... | 07/03/2007 |
| 7237394 | Charge management for 100% heat recovery units An apparatus for managing refrigerant charge in an air conditioning unit comprising a cooling circuit through which a refrigerant flows from a compressor, through a condenser, and through an evaporator, a heat recovery circuit extending from a first terminus between... | 07/03/2007 |
| 7234318 | Outdoor, multiple stage, single pass and non-recirculating refrigeration system for rapid cooling of athletes, firefighters and others A multiple stage, single pass and non-recirculating refrigeration system is provided for either outdoor use or for use with temporary structures such as emergency firefighter tents. The refrigeration system utilizes, for example, three evaporative coils in series to... | 06/26/2007 |
| 7231775 | Energy management system, method, and apparatus An energy management system may include a refrigeration apparatus such as may be used to form an ice rink. Heat rejected from that apparatus may be used to address heating loads elsewhere. The apparatus may include a thermal storage apparatus, such as may be charged... | 06/19/2007 |
| 7228706 | Extraction apparatus A refrigeration system including a direct expansion evaporator with a substantially vertical header through which a fluid mixture of a refrigerant and oil is pumped, a compressor for compressing the refrigerant, and a suction tube in fluid communication with the hea... | 06/12/2007 |
| 7222043 | Electronic device environmental effect prediction An apparatus in one example comprises one or more control components that regulate one or more thermal test components to adjust one or more emulated operational characteristics for one or more electronic devices. The thermal test components are coupled with one or ... | 05/22/2007 |
| 7204099 | Refrigerant system with vapor injection and liquid injection through separate passages A refrigerant system is provided with economizer vapor injection and liquid injection functions. As is known, the economizer function enhances performance of the refrigerant system. The liquid injection lowers the discharge temperature of the refrigerant to provide ... | 04/17/2007 |
| 7201008 | Vapor compression system performance enhancement and discharge temperature reduction in the unloaded mode of operation A vapor compression system includes a main vapor compression circuit having a compressor, a condenser, an expansion device and an evaporator serially connected by main refrigerant lines, the compressor having a suction port, a main discharge port and an intermediate... | 04/10/2007 |
| 7191605 | Floating loop method for cooling integrated motors and inverters using hot liquid refrigerant A method for cooling vehicle components using the vehicle air conditioning system comprising the steps of: tapping the hot liquid refrigerant of said air conditioning system, flooding a heat exchanger in the vehicle component with said hot liquid refrigerant, evapor... | 03/20/2007 |
| 7191609 | Cooling apparatus There is provided a cooling apparatus which can improve cooling efficiency of an evaporator while preventing freezing of articles housed in a cooled space thereof. The cooling apparatus comprises: a control device which controls a compressor; and a temperature senso... | 03/20/2007 |
| 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 |
| 7171818 | System and method for controlling temperature of refrigerant in air conditioner There is provided a system and method for controlling a temperature of a refrigerant in an air conditioner, in which a supercooling degree and/or a superheating degree can be secured by controlling a difference in refrigerant temperatures of a pipe connecting one or... | 02/06/2007 |
| 7172831 | Battery system for automotive vehicle A battery system for an automotive vehicle includes a battery case having a number of battery cells housed within the case. Coolant passages extend about the battery cells, and a coolant pump or driver circulates coolant from the coolant supply through the passages ... | 02/06/2007 |
| 7155916 | Supply unit cooling A feed gas supply unit for a fuel cell system uses a feed gas supply and/or cooling fluid passages to cool the control unit, bearings, and motor of the feed gas supply device. ... | 01/02/2007 |
| 7152422 | Vapor compression refrigerator A vapor compression refrigerator having a refrigeration cycle (200) is disclosed. In a Rankine cycle (300), a refrigerant is circulated through a pump (310), a heater (320), an expander (330) and a condenser (220) in that or... | 12/26/2006 |
| 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 |
