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| Number | Title | Issue Date |
| 8136364 | Refrigerant system with expansion device bypass A refrigerant system is provided with an expansion device that may be a thermostatic expansion device or an electronic expansion device. A bypass line selectively allows a portion of refrigerant to bypass the expansion device and to flow through a fixed restriction ... | 03/20/2012 |
| 7886550 | Refrigerating machine A refrigerating machine includes a compressor for compressing a refrigerant, a radiator for radiating heat from the refrigerant discharged from the compressor, an expander for expanding the refrigerant discharged from the radiator, and an evaporator for evaporating ... | 02/15/2011 |
| 7841196 | Variable-capacity air conditioner A variable-capacity air conditioner includes a compressor for compressing refrigerant, an indoor heat-exchanger coupled to the compressor, an outdoor heat-exchanger coupled to the compressor, a piping for coupling the compressor, the indoor heat-exchanger, and the o... | 11/30/2010 |
| 7823401 | Refrigerant cycle device In a refrigerant cycle device having an ejector, a branch portion for branching a flow of refrigerant flowing out of the ejector into at least a first refrigerant stream and a second refrigerant stream is located. A first evaporator for evaporating the refrigerant o... | 11/02/2010 |
| 7690211 | Refrigerating apparatus To provide a refrigerating apparatus that can control the supercooling degree of liquid refrigerant irrespective of changes in circulating refrigerant amounts in a refrigeration cycle, a refrigerating apparatus includes a refrigeration cycle having one or more compr... | 04/06/2010 |
| 7607314 | Air conditioning system An air conditioning system includes an evaporator, a compressor, a condenser, a valve an energy recovery device and at least one bypass passage. The compressor is fluidly connected to the evaporator. The condenser is fluidly connected to the compressor. The valve is... | 10/27/2009 |
| 7607313 | Vehicle HVAC system A HVAC system and method for a vehicle is disclosed. The air conditioning portion of the HVAC system may be able to store and release refrigerant in charge bottle while operating in an air conditioning mode. The air conditioning portion of the HVAC system may be abl... | 10/27/2009 |
| 7441413 | Refrigerator and control method thereof A refrigerator and a control method thereof in which a smooth flow of a refrigerant can be provided through an effective control for a path change valve when a flow path of the refrigerant is changed between two evaporators having different pressures. The refrigerat... | 10/28/2008 |
| 7434414 | Refrigeration apparatus A refrigerant circuit (10) of a refrigeration apparatus is filled up with carbon dioxide as a refrigerant. In the refrigerant circuit (10), a first compressor (21) and a second compressor (22) are arranged in parallel. The first compresso... | 10/14/2008 |
| 7377119 | Air conditioning system and control method thereof An air conditioning system includes an indoor heat exchanging unit, an outdoor heat exchanging unit, a compressor forming a closed loop together with the indoor and outdoor heat exchanging units to compress refrigerant, and a compressor driver to drive the compresso... | 05/27/2008 |
| 7353659 | System and method for controlling an economizer circuit A control algorithm for controlling an economizer circuit in a chiller system is provided. The control algorithm opens and closes a port valve in the economizer circuit in response to predetermined criteria to engage and disengage the economizer circuit. The predete... | 04/08/2008 |
| 7331189 | Cooling device In a cooling system having a compressor for supplying refrigerant under pressure, a condenser for condensing the refrigerant supplied from the compressor, a liquid receiver arranged to temporarily store the condensed refrigerant supplied from the condenser, an expan... | 02/19/2008 |
| 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 |
| 7325411 | Compressor loading control A system has a number of parallel flowpath segments between a compressor and an evaporator. One or more valves selectively block and unblock at least one of the segments to provide capacity control. ... | 02/05/2008 |
| 7299648 | Refrigeration system of air conditioning apparatuses with bypass line between inlet and outlet of compressor A refrigeration system of air conditioning apparatuses with a bypass line between the inlet and outlet of a compressor. The refrigeration system (1) has an expansion unit (10) to execute adiabatic expansion of refrigerant, an indoor unit (20) wi... | 11/27/2007 |
| 7290990 | Short reverse rotation of compressor at startup In a method of operating a scroll or screw compressor at startup, the compressor is rotated in reverse for a brief period of time. The compressor is of a type that does not compress liquid when rotated in reverse. The purpose is to boil off the liquid refrigerant fr... | 11/06/2007 |
| 7290567 | Refrigerating cycle device, air conditioner, choke, and flow rate controller In a refrigerating cycle incorporating a second flow controller having a throttle section, which is composed of an inlet noise eliminating space, an inlet side porous permeable member communicating in a refrigerant flow direction, an orifice, an outlet side foamed m... | 11/06/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 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 |
| 7272894 | Drum dryer A drum dryer provided with a liquid splash and scatter preventing equipment, which enables continuous operation by preventing a scattering liquid from making dry powder in the case in which the equipment is provided above a neighborhood of a liquid concentration sec... | 09/25/2007 |
| 7272943 | Control method for multiple heat pump Disclosed herein is a control method for a multiple heat pump. In the control method, when one of multiple indoor units operates in the heating mode and the other indoor units shut down, electronic expansion valves of the shutdown indoor units are controlled to have... | 09/25/2007 |
| 7257964 | Air conditioner An air conditioner incorporates valve devices mounted in a plurality of indoor units, respectively, for allowing refrigerant discharged from an outdoor heat exchanger to be introduced into one or more indoor units that are in operation. The refrigerant is prevented ... | 08/21/2007 |
| 7243500 | Heat exchanger and temperature control unit Systems and methods for heat exchange in accordance with the invention define adequately long-interchange distances for two fluids by wrapping a tube containing a first fluid about the wall of an inner cylindrical tank, within a gap formed with a second concentric t... | 07/17/2007 |
| 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 |
| 7225630 | Refrigerating cycle apparatus, air conditioning apparatus, throttle device and flow controller In a refrigerating cycle incorporating a second flow controller having a throttle section, which is composed of an inlet noise eliminating space 19, an inlet side porous permeable member 20 communicating in a refrigerant flow direction, an orifice 2... | 06/05/2007 |
| 7222496 | Heat pump type air conditioner having an improved defrosting structure and defrosting method for the same A heat pump type air conditioner having an improved defrosting structure and a defrosting method for the same. When frost is not excessively accumulated on piping of an outdoor heat exchanger, a solenoid valve is controlled such that warm refrigerant from a compress... | 05/29/2007 |
| 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 |
| 7197889 | Cooling unit A cooling unit wherein devices are divided so as to be installed in each of an outdoor unit and indoor unit, for downsizing the indoor unit and reducing its pipe-line cost. The cooling unit disposes a compressor, a condenser and a liquid receiver R in the out... | 04/03/2007 |
| 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 |
| 7179061 | Multi-layer compressor housing and method of manufacture A multi-layered compressor housing and method of manufacture is provided. The housing defines an interior space and includes first and second layers having first and second major surfaces respectivley. The first and second layers are secured together by the friction... | 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 |
| 7174742 | Combined method and apparatus for recovering and reclaiming refrigerant, solvent flushing, and refrigerant recharging A method and apparatus (10) for servicing refrigeration system (12) which provides a single device for recovering and reclaiming refrigerant, flushing the refrigerant system with solvent, and recharging the system with refrigerant. Refrigerant is recov... | 02/13/2007 |
| 7171825 | Refrigeration equipment A refrigeration equipment includes a vapor compression type of refrigerant circuit that prevents a decline in refrigeration ability in user side heat exchangers when the refrigerant condensed by a heat source side heat exchanger is reduced in pressure and sent to th... | 02/06/2007 |
| 7171822 | Air conditioning system with interior and exterior assemblies Vehicles are provided with a first air conditioning system adapted to condition at least air in the driver compartment and a second air conditioning system distinct from the first air conditioning system and adapted to operate independently of the first air conditio... | 02/06/2007 |
| 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 |
| 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 |
| 7168262 | Ice making machine In external unit 19, three-way valve 25 provided downstream of CPR 23 enables a switching connection between CPR 23 and branch line 21A of first bypass line 21 with respect to liquid line 18 A. In internal unit 20 | 01/30/2007 |
| 7159409 | Method and apparatus for controlling the load placed on a compressor A method of operating a vapor compression system, the vapor compression system defining a closed fluid circuit in which a refrigerant is circulated and having operably disposed therein, in serial order, a compressor, a high pressure heat exchanger, an expansion devi... | 01/09/2007 |
| 7156624 | Compressor sound suppression A compressor has a housing. One or more working elements cooperate with the housing to define a compression path between suction and discharge locations. An intermediate port is located along the compression path. A branch path extends to the intermediate port. The ... | 01/02/2007 |
| 7155922 | Energy efficient heat pump systems for water heating and air conditioning A heat pump system for providing water heating and air conditioning, comprising one or more compressors for circulating a refrigerant in the system, a hot water tank having a heat exchanger for heating and storing the hot water, an outdoor heat exchanger and a fan f... | 01/02/2007 |
