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| Number | Title | Issue Date |
| 8166776 | Multichannel heat exchanger A heating, ventilation, air conditioning and refrigeration (HVAC&R) system having a compressor, a heat exchanger, an expansion valve, and a multichannel heat exchanger connected in a closed refrigerant loop. The multichannel heat exchanger has at least two fluid flo... | 05/01/2012 |
| 8161770 | Vehicle air conditioning system Disclosed is a vehicle air conditioning system including not less than two evaporators 3, 4, in which internal heat exchangers 5, 6 are provided to the respective evaporator 3, 4, a first evaporator 3 is placed in a front part of a compar... | 04/24/2012 |
| 8141383 | Engine-machine and expander heat exchanger unit A heat exchanger unit is disclosed, the heat exchanger unit including a first tube element unit, a second tube element unit, and an engine machine apparatus having an expansion step unit and a compression step unit. Each of the tube element units is adapted to condi... | 03/27/2012 |
| 8099977 | Refrigerant cycle device A refrigerant cycle device capable of preventing inflow of a liquid refrigerant into a compressor and having a compact structure is disclosed. The refrigerant cycle device includes a compressor, a gas cooler, a pressure reducing device, an evaporator, and a heat exc... | 01/24/2012 |
| 8037714 | Adjustable air conditioning control system for a universal airplane ground support equipment cart A ground support equipment air conditioning system detachably connects to a port on an airplane. An air conduit connects an air intake and filter to a coupling that is adapted to be connected to one end of an air duct or hose the other end of which is adapted to be ... | 10/18/2011 |
| 8020405 | Air conditioning apparatus An air conditioning apparatus includes a supercooling heat exchanger configured to exchange heat between a high-pressure refrigerant and a low-pressure refrigerant. A high-pressure liquid refrigerant pipe is wound around an external periphery of a low-pressure refri... | 09/20/2011 |
| 7895860 | Multichannel evaporator with flow mixing manifold Heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems and heat exchangers are provided which include manifold configurations designed to promote mixing of vapor phase and liquid phase refrigerant. The manifolds contain flow mixers such as a heli... | 03/01/2011 |
| 7861553 | Suction pipe assembly and manufacturing method thereof Provided is a suction pipe assembly with improved heat conductivity and a manufacturing method thereof. The suction pipe assembly includes a suction pipe, a capillary, a heat transmission pipe, and an adhesive agent. The suction pipe is disposed between a compressor... | 01/04/2011 |
| 7818978 | Vapour compression device and method of performing an associated transcritical cycle A vapour compression device including an internal heat exchanger, a low-pressure compressor and an associated gas cooler, a fluid distributor separating the fluid into a main circuit of the cycle and into an auxiliary cooling circuit of the cycle, an auxiliary expan... | 10/26/2010 |
| 7805961 | Supercooling apparatus of simultaneous cooling and heating type multiple air conditioner A supercooling apparatus of a simultaneous cooling and heating type multiple air conditioner comprises a liquid pipe header connected to outdoor heat exchangers, a plurality of branch liquid pipes branched from the liquid pipe header and connected to a plurality of ... | 10/05/2010 |
| 7726151 | Variable cooling load refrigeration cycle A method and apparatus for maintaining a relatively constant temperature of a working fluid in an evaporator of a refrigeration system by providing a constant volumetric displacement compressor and a heat exchanger for exchanging heat between the high pressure and l... | 06/01/2010 |
| 7721569 | Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tube A transcritical vapor compression system that 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, a first capillary tube and a second heat exchan... | 05/25/2010 |
| 7654109 | Refrigerating system with economizing cycle The invention relates to refrigerating systems, primarily, to refrigerating systems employing compressors with economizing inlets and multi-pass condensers. In accordance with the invention a refrigerating system with economizing cycle employs a compressor unit with... | 02/02/2010 |
| 7621150 | Internal heat exchanger integrated with gas cooler A gas cooler and heat exchanger assembly comprises a gas cooler, including a cylindrical inlet header and a cylindrical outlet header, and a heat exchanger, including a first tank and a second tank, with at least a portion of each of the tanks being cylindrical and ... | 11/24/2009 |
| 7574874 | Vapor compression heat pump system A compression refrigeration system that includes a compressor, a heat rejector, expansion means and a heat absorber connected in a closed circulation circuit that may operate with supercritical high-side pressure. ... | 08/18/2009 |
| 7555915 | Air conditioner An air conditioner is disclosed which includes a pressurizer for pressurizing a suction-side refrigerant sucked into a compressor, and an auxiliary condenser for condensing a discharge-side refrigerant discharged out of the compressor. Accordingly, it is possible to... | 07/07/2009 |
| 7490483 | Efficient heat exchanger for refrigeration process Aspects of the invention are found in a heat exchanger. The heat exchanger includes a fluid inlet manifold, a fluid outlet manifold, a plurality of heat transfer channels configured to communicate with the fluid inlet manifold and the fluid outlet manifold, and pack... | 02/17/2009 |
| 7475565 | Refrigeration system including a side-load sub-cooler A refrigeration system includes a compressor operable to produce a flow of compressed refrigerant. The refrigeration system includes a flow splitter positioned to split the flow of compressed refrigerant into a first flow that flows along a first flow path and a sec... | 01/13/2009 |
| 7469555 | Multiple condenser reheat system with tandem compressors A tandem compressor system is utilized that receives refrigerant from a common suction manifold, and from a common evaporator. From the compressors, the refrigerant passes to a plurality of condensers, with each of the condensers being associated with a separate zon... | 12/30/2008 |
| 7448228 | System of energy efficiency for refrigeration cycle The improvement system of energy efficiency for the refrigeration cycle is comprised of: an auxiliary heat exchanger unit for heat-exchanging between refrigerant liquid having high pressure and refrigerant vapor having low pressure; and a cabinet which houses a pres... | 11/11/2008 |
| 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 |
| RE40499 | Pulsed flow for capacity control Step control in capacity modulation of a refrigeration or air conditioning circuit is achieved by rapidly cycling a solenoid valve in the suction line, economizer circuit or in a bypass with the percent of “open” time for the valve regulating the rate of flow th... | 09/16/2008 |
| 7415836 | Cooling apparatus and a thermostat with the apparatus installed therein A cooling apparatus (1) has a compressor (2), a condenser (3), an expansion valve (5), an evaporator (6) and an electric valve (10), all connected to each other in this order by a piping line to form a refrigeration circuit.... | 08/26/2008 |
| 7406839 | Sub-cooling unit for cooling system and method A system for cooling a medium includes a line having coolant flowing therein, and a sub-cooling unit in fluid communication with the line. The sub-cooling unit receives a portion of the coolant diverted from the line to cool coolant flowing in the line. A method of ... | 08/05/2008 |
| 7398841 | Vehicle power assist by brake, shock, solar, and wind energy recovery An energy conversion apparatus and method using recovered energy sources including motor vehicle kinetic energy (deceleration and shock) and wind resistance, supplemented by liquefied air transferred to the vehicle and by solar radiation thereto. The energy sources ... | 07/15/2008 |
| 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 |
| 7395678 | Refrigerant receiving apparatus A system for modulating refrigerant flow from an evaporator of an air or gas drying apparatus wherein the air or gas drying apparatus has an evaporator shell with at least one exit orifice for return of refrigerant to an accumulator or compressor. The system compris... | 07/08/2008 |
| 7377126 | Refrigeration system In a refrigeration system having a pressurizer, a condenser, an expansion device and an evaporator, with the evaporator having an inlet header, an outlet header, and a plurality of channels therebetween, the outlet header has a liquid outlet and a vapor outlet and p... | 05/27/2008 |
| 7370493 | Vapor compression refrigerating systems A vapor compression refrigerating system having a compressor, a radiator, a first pressure reducing mechanism for reducing a pressure of refrigerant cooled by the radiator, a refrigerant branching means for dividing refrigerant (m) reduced in pressure by the first p... | 05/13/2008 |
| 7363766 | Vehicle air conditioning system A vehicle air conditioning system includes a compressor, a condenser, an evaporator and a thermoelectric device. The compressor is configured to receive a refrigerant and compress the refrigerant to a compressed state. The condenser is in fluid communication with th... | 04/29/2008 |
| 7360372 | Refrigeration system A refrigeration system to increase the subcooling degree of refrigerant flowing through a main refrigerant circuit is provided. The refrigeration system is configured such that a portion of the refrigerant flowing through the main refrigerant circuit can be made to ... | 04/22/2008 |
| 7357002 | Method for installing refrigeration device, and refrigeration device An air conditioning device has a heat source unit and a utilization unit connected via a refrigerant connection pipe to form a refrigerant circuit, and has a cooler, a secondary receiver, and a separation membrane device. The cooler cools at least a portion of the r... | 04/15/2008 |
| 7340920 | Circuit with two-step capillary tube throttling and receiver A Thermostatic Flow Controller composed of two capillary tubes and a tube form receiver, placed in thermal contact with the suction line. It makes a robust, hermitic closed device, without any moveable parts, no need for adjustment or service and therefor suited for... | 03/11/2008 |
| 7337835 | Baffle and tube for a heat exchanger The present invention relates to a heat exchanger for transferring heat from one fluid to another fluid, comprising a plurality of metallic tube continuously formed into four discrete helically wound coils, each coil having at least four turns, the coils being spati... | 03/04/2008 |
| 7334430 | Refrigerating cycle A plurality of evaporators 5, 11 for evaporating an refrigerant at low pressure, which has passed through pressure reducing means 4, 10, are provided, an accumulator 9 is provided on the outlet side of one evaporator 5, an internal heat e... | 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 |
| 7325414 | Hybrid tandem compressor system with economizer circuit and reheat function for multi-level cooling A tandem compressor refrigerant system where an economizer circuit and reheat coil are incorporated to provide additional flexibility and control over overall system capacity and sensible heat ratio as well as to increase system efficiency. In this system, tandem co... | 02/05/2008 |
| 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 |
| 7316120 | Refrigeration/air conditioning equipment Refrigeration/air conditioning equipment includes a first internal heat exchanger for exchanging heat between a refrigerant to be sucked in a compressor and a high-pressure liquid refrigerant, an injection circuit for evaporating a bypassed high-pressure liquid at i... | 01/08/2008 |
