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9023231 Non ozone depleting and low global warming potential refrigerants for low temperature refrigeration  
Non ozone depleting and non flammable refrigerant compositions with GWPs less than 2,000 ITH which replace R404A, R507, HCFC22 and CFC502 in refrigeration systems.
8999190 Heat transfer compositions  
The invention provides a heat transfer composition comprising R-1234ze (E), R-32 and 1,1,1,2-tetrafluoroethane (R-134a).
8857211 Injectable two-staged rotary compressor and heat pump system  
In an injectible two-staged rotary compressor, a second suction pipe includes a heat-exchange promoting unit that promotes heat exchange between intermediary-pressure injected refrigerant and...
8845922 Compositions and use of vinylidene fluoride and blends thereof  
The present technology relates to compositional blends that can be used as refrigerants, and more specifically to blends of vinylidene fluoride and at least one other component for use in very low...
8808569 Use of ternary compositions  
The invention relates to the use of compositions essentially containing 2,3,3,3-tetrafluoropropene, HFC-134a and HFC-32 in compression refrigeration systems comprising exchangers operation in...
8769972 Electrochemical compressor and refrigeration system  
A refrigeration system defines a closed loop that contains a working fluid, at least part of the working fluid being circulated through the closed loop. The refrigeration system includes a first...
8774999 Air-conditioning control device for electric vehicle  
A detector detects a remaining power of a battery. A calculator calculates a demand load of air-conditioning based on at least one of a preset temperature set for air in a passenger compartment of...
8683815 Magnetocaloric element  
A magnetocaloric element (1) made by an alignment of at least two adjacent sets (MC1-10) of magnetocaloric materials having different Curie temperatures. The magnetocaloric materials within a same...
8640492 Tubular system for electrochemical compressor  
A heat transfer system defines a closed loop that contains a working fluid that is circulated through the closed loop. The heat transfer system includes an electrochemical compressor including one...
8616009 Magnetic regenerator, a method of making a magnetic regenerator, a method of making an active magnetic refrigerator and an active magnetic refrigerator  
The invention provides a method of making a magnetic regenerator for an active magnetic refrigerator, the method comprising: forming a magnetic regenerator from a slurry or a paste containing a...
8596077 Magnetocaloric thermal generator having hot and cold circuits channeled between stacked thermal elements  
The thermal generator (1) which comprises at least one thermal module (10) constituted from many thermal elements (40), stacked and arranged in order to delimit channels therebetween for...
8584471 Thermoacoustic apparatus with series-connected stages  
A thermoacoustic apparatus includes multiple thermoacoustic device stages, such as individual thermoacoustic refrigerators, connected in a looped series such that excess acoustic energy from a...
8555670 Power consumption economizer for refrigerating machines of the chiller type  
A power consumption economizer for refrigerating machines of the chiller type, comprising, on a same line, a pump for a heat transfer fluid, an evaporator of an associated refrigeration system for...
8539772 Air conditioning using mechanical leverage and refrigerants  
In one embodiment, a mechanical leverage system using refrigerants in conjunction with temperature differences found in the environment is utilized for air conditioning, energy generation and...
8444873 Refrigerant composition  
A composition which comprises or consists of more than 75 to less than 80 wt. % of pentafluoroethane (HFC-125); more than 17 to less than 22.7 wt. % of 1,1,1,2-tetrafluoroethane (HFC-134a); and...
8429920 Magnetic refrigeration device and refrigeration method  
A magnetic refrigeration device for cooling a thermal load including a magnetic screening cage containing means for generating at least one magnetic field, first and second elements made from...
8428817 Vehicle cooling fan control system and vehicle cooling fan control method  
Vehicle cooling fan control system and method which prevent an occupant from hearing peculiar sounds from a cooling fan due to a decrease in rotation speed are provided. The vehicle cooling fan...
8418476 Magnetocaloric generator  
A generator comprising at least one thermal stage having magnetocaloric elements (2) arranged around an axis and a magnetic arrangement (3) supported by a drive shaft (30) that rotates about the...
8375729 Optimization of a thermoacoustic apparatus based on operating conditions and selected user input  
In a thermoacoustic refrigerator, operating temperatures, ambient temperature, and selected user input are utilized to control frequency and/or input power in order to optimize the efficiency of...
8333901 Heat transfer compositions  
The invention provides a heat transfer composition comprising R-1234ze(E), R-32 and 1,1,1,2-tetrafluoroethane (R-134a).
8181460 Thermoacoustic driven compressor  
The present disclosure details a thermoacoustic driven compressor having a pressurized housing, which contains within a thermoacoustic engine and a working gas, coupled to a positive displacement...
8109100 Magnetocaloric refrigerant  
The invention provides the use of a material of general formula (I): [(AyCo1-y)]u(Mn1-zCz)[(Si1-xBx)]v (I) as a magnetocaloric material, wherein the material is orthorhombic and wherein: A is...
7980093 Combined refrigerant compressor and secondary liquid coolant pump  
A compressor for a refrigerant is integrally contained in a housing with a positive displacement pump for a secondary coolant. Both the compressor and pump are driven by a common motor. In one...
7917334 Compressor performance calculator  
A computer program and system for calculating the performance of a compressor includes selecting a compressor from a database, inputting application conditions, comparing data for the selected...
7823412 Hermetic vessel equipped with inserted-type discharge pipe, and oil separator, gas-liquid separator, and air conditioning system using the same  
A hermetic vessel capable of preventing noise caused by fluid flow, and an oil separator, a gas-liquid separator, and an air conditioning system using the same. The hermetic vessel having a vessel...
7743615 Buffered heat transfer fluid for secondary refrigeration systems comprising a formate salt  
A formate salt based heat transfer fluid having a pH containing a phosphate for a secondary refrigeration loop is disclosed. The formate based heat transfer fluid generally is a more effective...
7735335 Fluid pump having expansion device and rankine cycle using the same  
A complex fluid machine has an expansion-compressor device, a pump, and a motor generator. The expansion-compressor device, the pump, and the motor generator are operatively connected and arranged...
7726138 Water production system for making potable water  
A water production system (1) for making potable water (7) in an environment of humid tropical air (6) and cold deep ocean water (8) comprising a heat exchanger (2), means for controlling (3) the...
7726135 Energy transfer apparatus and methods  
The invention provides an energy transfer apparatus having an energy transfer chamber (optionally bounded by an energy transfer tube) in which rotating flow is established. Preferably, the...
7530235 Heat pump, heat pump system, method of pumping refrigerant, and rankine cycle system  
A Rankine cycle system has a condenser, a heat pump connected to the condenser, a heat collecting device connected to the heat pump, and an expansion turbine connected to the heat collecting...
7451061 Compressor performance calculator  
A system and method for calculating the performance of a compressor includes a controller in communication with a cooling system. A database includes compressor specification data. A computer...
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...
7343965 Brazed plate high pressure heat exchanger  
A brazed plate heat exchanger (30) is provided for transferring heat between a first fluid (32) and a second fluid (34), with the first fluid (32) being pressurized to a relatively high pressure....
7340918 Magnetostrictive drive of refrigeration systems  
A liquid-phase cooling device of a refrigeration system has an outer tubular housing enclosing a heat exchanger through which a mixture gases and liquid constituting a working fluid media is...
7308797 Cryogenic refrigerator  
A cryogenic refrigerator includes a first refrigerant tube and a second refrigerant tube each comprising two tubes that are arranged on a cooling stage substantially parallel to each other and...
7281383 Reciprocating four-stroke Brayton refrigerator or heat engine  
A thermal machine that can function as either a refrigerator or an external combustion heat engine is disclosed. A working gas undergoes four thermodynamic processes that comprise a Brayton cycle....
7260940 Heat pump using gas hydrate, and heat utilizing apparatus  
The object of the present invention is to provide a heat pump having a high coefficient of performance (COP), and a heat utilizing apparatus that allows the obtaining of high energy efficiency by...
6945066 Refrigeration cycle apparatus  
A refrigeration cycle apparatus using carbon dioxide as a refrigerant has a compressor, an outdoor heat exchanger, an expander, an indoor heat exchanger and an auxiliary compressor. The auxiliary...
6928389 Compressor performance calculator  
A system and method for calculating the performance of a compressor wherein the user can select a compressor from a database or retrieve a list of compressors to select from based on application...
6786059 Refrigeration system  
Water is used as a refrigerant, and a humidification cooler (41) which evaporates the water to generate cold heat and a dehumidifier (42) are provided. A compressor (50) which compresses water...
6739137 Magnetic condensing system for cryogenic engines  
A method and apparatus is provided for generating an artificial heat sink below ambient temperature for a cryogenic condenser by isothermally magnetizing a paramagnetic fluid and removing the...
6734632 Electric discharge lamp device  
An electric discharge lamp device prevents a temperature rise in the circuit device when an electric discharge lamp (30) is operated without the use of a high voltage wire and a high voltage...
6684645 Cooling by resonator-induced coherent scattering of radiation  
The invention relates to a method and apparatus for cooling multilevel entities such as atoms, ions or molecules as well as entities with no apparent internal structure. Cooling is achieved by...
6672099 Refrigeration system  
In a refrigeration system (10), an evaporator (11) and a condenser (15) are each formed of a container-like member (55). The inside of the container-like member (55) is divided into a liquid side...
6668560 Rotating magnet magnetic refrigerator  
A magnetic refrigeration apparatus has an annular container including a plurality of magnetic regenerator compartments containing magnetocaloric material, and a magnet mounted for rotation around...
6644062 Transcritical turbine and method of operation  
A process employing a rotary axial turbine, and a nozzle, that includes providing a working fluid expansible from a characteristic supercritical region into the wet region, expanding the fluid...
6604364 Thermoacoustic cogeneration system  
A method for operating a thermoacoustic engine which produces acoustic energy which may be used to generate refrigeration wherein energy delivery fluid from a hot energy source, which provides...
6591614 Kinetic cooling and heating  
In heating and cooling apparatus, molecules of working gas are excited by light irradiation and thereby cooled as the gas flows through a mirrored cooling cell. In a closed loop embodiment, the...
6588224 Integrated absorption heat pump thermoacoustic engine refrigeration system  
A system for generating refrigeration wherein a hot process fluid is used to drive a thermoacoustic engine and residual heat from the process fluid is used to desorb refrigerant from a high...
6568205 Air-conditioner for a motor vehicle  
The invention relates to an air-conditioner for a motor vehicle having a refrigerant circuit through which a refrigerant flows. The circuit includes a heat exchanger (1) through which the...