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| Number | Title | Issue Date |
| 8056356 | Refrigerating plant In order to improve a refrigerating plant, comprising a refrigerant circuit, with a high-side refrigerant-cooling heat exchanger, with an expansion cooling device, with a reservoir for the main mass flow, with at least one normal cooling stage, with an intense cooli... | 11/15/2011 |
| 8015836 | Heat pump system A heat pump system has a single heat source unit connected to at least one load unit to heat water to a high temperature. A hot water supply system 100 (heat pump system) includes a heat source unit 10 provided with a first compressor 11, a four... | 09/13/2011 |
| 7703296 | Dual cooling mode air conditioner for normal or rapid cooling Disclosed is an air conditioner that can operate in a general cooling mode in which indoor air is cooled by heat exchange with a first refrigerant in a main evaporator, or alternatively in a fast cooling mode in which the indoor air is primarily cooled by heat excha... | 04/27/2010 |
| 7401475 | Thermodynamic systems operating with near-isothermal compression and expansion cycles A thermodynamic system that can approximate the Ericsson or Brayton cycles and operated in reverse or forward modes to implement a cooler or engine, respectively. The thermodynamic system includes a device for compressing a first fluid stream containing a first gas-... | 07/22/2008 |
| 7386984 | Refrigerator A refrigerator includes a Stirling refrigerating machine having a high-temperature heat radiation portion and a low-temperature heat absorption portion and for cooling a freezing compartment, and a compressor for circulating a first refrigerant through a first circu... | 06/17/2008 |
| RE40049 | Precooled cryogenic ablation system A method and apparatus for using a secondary refrigerant to precool and liquefy a primary refrigerant, then vaporizing and expanding the primary refrigerant to cool a cold tip of a cryosurgical instrument for ablation of biological tissue, such as cardiovascular tis... | 02/12/2008 |
| RE39924 | Refrigeration system with modulated condensing loops A refrigeration system having a main refrigeration circuit having a condensing stage, wherein a first refrigerant in a high pressure gas state is condensed at least partially to a liquid state. The condensing stage has a pair of stand-alone condensing stage closed ... | 11/27/2007 |
| 7284379 | Refrigeration system including thermoelectric module A method includes operating the refrigeration system in a cooling mode wherein a space is conditioned, and also includes transferring heat from a heat-transfer circuit to a thermoelectric device to a refrigeration circuit. A method further includes operating the ref... | 10/23/2007 |
| 7285314 | Steam barrier film A steam barrier film comprising at least one inorganic gas barrier layer on a polyalkylene naphthalate resin substrate film in which the glass transition temperature (Tg) of the polyalkylene naphthalate resin is from 70 to 150° C. and the steam barrier film compris... | 10/23/2007 |
| 7275383 | Device for measuring pressure in automobile air conditioner and charging same with refrigerant and method of same A portable device for measuring the refrigerant pressure in an automobile air conditioning system and, if needed, charging the system with additional refrigerant, is provided. An actuator is coupled to a pressurized container that selectively opens the container val... | 10/02/2007 |
| 7275386 | Machine for the processing of foods, in particular an ice cream machine A machine for the processing of foods while refrigerating the same at least at times, in particular an ice cream machine, comprising a container (11) to receive the starting substances and a refrigerating device, including a refrigerating circuit (21) ... | 10/02/2007 |
| 7251955 | Solid sorption heat pump A solid sorption heat pump is provided that includes an adsorber/desorber unit including a heat exchanger and a solid sorption material. The adsorber/desorber unit is placed in a common housing, which is sealed against the outside atmosphere, together with a condens... | 08/07/2007 |
| 7249468 | Air conditioning system An air conditioning system has a compressor for compressing a liquid refrigerant to form a high pressure vapor which is fed to a condenser for cooling the vapor so that it returns to liquid state and fed to an evaporator. In the evaporator, the liquid is transformed... | 07/31/2007 |
| 7237405 | Refrigeration apparatus In the case where a 100 percent heat recovery operation mode is performed without using an outdoor heat exchanger in a refrigeration apparatus which is provided with utilization-side heat exchangers of a plurality of piping systems and in which liquid-side communica... | 07/03/2007 |
| 7222495 | Motor vehicle cooling and depolluting device The invention concerns a motor vehicle cooling and depolluting device designed for conditioning said vehicle passenger compartment and for cooling its cylinder block (22). The elements of the device are connected through a main tube (25) containing an ... | 05/29/2007 |
| 7219501 | Cryocooler operation with getter matrix A method for operating a cryocooler wherein some cryocooler working gas is diverted from the pressure wave pathway before passing to the cold portion of the cryocooler, passed to a getter for adsorptive cleaning of contaminants, and returned to the pressure wave pat... | 05/22/2007 |
| 7162877 | Pulse tube refrigerator A pulse tube refrigerator comprising a cold head, wherein the cold head comprises at least one pulse tube (6) and at least one regenerator (7); the cold head having a cold end (8) and a warm end (5), each end being provided with respectiv... | 01/16/2007 |
| 7155927 | Exhaust heat utilizing refrigeration system There is provided an exhaust-heat using refrigerating system which can add the function of refrigerant heater, condenser or super-cooler by using exhaust heat. The system comprises a heat pump apparatus 1 equipped with a compressor 12, a first heat exc... | 01/02/2007 |
| 7140198 | Air conditioner The present invention is capable of eliminating the line unit in an air conditioner that includes a plurality of heat source units, and hold increases in onsite line construction to a minimum while making it possible to adjust the amount of refrigerant in the air co... | 11/28/2006 |
| 7127914 | Hybrid gas liquefaction cycle with multiple expanders Method for gas liquefaction comprising cooling a feed gas by a first refrigeration system in a first heat exchange zone and withdrawing a substantially liquefied stream therefrom, further cooling the substantially liquefied stream by indirect heat exchange with one ... | 10/31/2006 |
| 7111467 | Ultra-low temperature closed-loop recirculating gas chilling system Disclosed is an ultra-low temperature, dual-compressor (114,144), recirculating gas chilling system that includes a closed-loop mixed-refrigerant primary refrigeration system (110) in combination with a closed-loop gas secondary refrigeration loop (... | 09/26/2006 |
| 7104062 | Device for thermally controlling the intake air of the internal combustion engine of a motor vehicle The device comprises a first heat exchanger (22) for exchanging heat between the admission air and a heat-transfer liquid for regulating the temperature of the admission air, the heat exchanger being connected to a circuit (24) for cold heat-transfer l... | 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 |
| 7093449 | Stirling/pulse tube hybrid cryocooler with gas flow shunt A two-stage hybrid cryocooler includes a first-stage Stirling expander having a first-stage regenerator having a first-stage-regenerator inlet and a first-stage-regenerator outlet, and a second-stage pulse tube expander. The second-stage pulse tube expander includes... | 08/22/2006 |
| 7065979 | Refrigeration system A refrigeration system includes a first cooling system having a refrigerant in thermal communication with a heat exchanger device to provide a first cooling source. A second cooling system has a coolant in thermal communication with the heat exchanger device and a r... | 06/27/2006 |
| 7032411 | Integrated dual circuit evaporator An evaporator system comprised of two individual refrigerant circuits, integrated in such a way that if one circuit is not in operation, no portion of the airflow through the evaporator fails to come into contact with the refrigerant in the active circuit. This elim... | 04/25/2006 |
| 7013660 | System for forming aerosols and cooling device incorporated therein The present invention relates a cooling device of the reverse Carnot cycle-type using a refrigerant, and an aerosol generation system including it. The cooling device includes a refrigerator of the reverse Carnot cycle-type, a cleaning medium conduit, a temperature ... | 03/21/2006 |
| 7000425 | Manifold for pack and a half condensing cycle pack with combined heat exchangers An air generation unit includes first and second air cycle machines (ACMs), each having first and second turbines. A manifold is arranged between the first and second ACMs and is in fluid communciation with each of the first and second turbines of the first and seco... | 02/21/2006 |
| 6993918 | 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 least two cascaded stages, each operating with a different fluid in a... | 02/07/2006 |
| 6986262 | Binary refrigeration unit With the intention of reducing power consumption and noise, there is provided a binary refrigeration unit which can be started even by a compressor equipped with a small-torque and compact motor. The binary refrigeration unit is constructed in such a manner that an ... | 01/17/2006 |
| 6983610 | Cold inertance tube for multi-stage pulse tube cryocooler The performance of a multi-stage inertance pulse tube cryocooler in accordance with an embodiment of the present invention may be enhanced by cooling the inertance tube of one stage placing it in thermal communication with the cool heat exchanger of a preceding stag... | 01/10/2006 |
| 6959557 | Apparatus for the storage and controlled delivery of fluids A vessel for containing a refrigerant fluid in a vapor compression system. The vessel includes a housing defining a fixed interior volume and an internal structure subdividing the interior volume into a storage chamber and a displacement chamber. The storage chamber... | 11/01/2005 |
| 6948558 | Evaporative duplex counterheat exchanger A duplex exchanger includes first and second heat exchangers each including a main flow channel and a cooperating counterheat channel. The first counterheat channel is joined to the first main flow channel for receiving a cooled primary stream therefrom. The second ... | 09/27/2005 |
| 6948335 | Compression mechanism for refrigeration system The present invention provides an oil equalizing circuit for a refrigeration system provided with a plurality of compression mechanisms, the oil equalizing circuit being capable of supplying sufficient oil to the compressors that are running during partial load oper... | 09/27/2005 |
| 6938427 | Systems and methods for closed system cooling This invention is directed to systems, apparatuses and methods for reducing the temperature of a condenser fluid, used in a condenser in an air conditioning system to cool a compressed refrigerant, without releasing fluids to the environment. These systems include a... | 09/06/2005 |
| 6935414 | Tube and heat exchanger having the same In a tube for a heat exchanger, a plurality of passages is defined. The passages are arranged in rows parallel to a major axis of the tube cross-section and staggered. When the tube is extruded, an extrusion material can flow around dies for forming passages and eas... | 08/30/2005 |
| 6813892 | Cryocooler with multiple charge pressure and multiple pressure oscillation amplitude capabilities A pulse tube cryocooler (90) is disclosed having a second cryocooler section (94b) with a single pulse tube stage (35c), and having a first cryocooler section (94a) with a pair of pulse tube stages (35a | 11/09/2004 |
| 6796139 | Method and apparatus for artificial ground freezing A ground freezing method and system which circulates refrigerated heat transfer fluid through freeze pipes in the ground at a low temperature of at least −52° C. (−62° F.) to minimize drilling for the freeze pipe installation. The heat transfer fluid is prefer... | 09/28/2004 |
| 6766652 | Dual independent chamber ultra-low temperature freezer Methods and apparatus for a two chamber freezer whereby both chambers can be maintained at a substantially constant ultra-low temperature, such as within the range of about −40° C. to −80° C. Short term items may be stored in and accessed by the upper door fro... | 07/27/2004 |
| 6742357 | Integrated multiple-loop refrigeration process for gas liquefaction Method for liquefying a gas which comprises cooling a feed gas stream successively through first and second temperature ranges to provide a liquefied product, wherein refrigeration for cooling the feed gas stream in the first temperature range is provided by a first... | 06/01/2004 |
