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RE40627 |
Nonflammable mixed refrigerants (MR) for use with very low temperature throttle-cycle refrigeration systems
Refrigerants containing HCFC's are replaced with new blends by using R-236fa and R-125, or R-125 with R-245fa, or R-236ea, or R-134a with R-236fa in place of HCFC's. No hardware or oil composition...
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7478540 |
Methods of freezeout prevention and temperature control for very low temperature mixed refrigerant systems
Refrigerant freezeout is prevented, and temperature is controlled, by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that...
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7473716 |
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrocarbons
Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and at least one hydrocarbon selected from the group n-pentane, iso-pentane, cyclopentane, n-hexane and iso-hexane are provided. The...
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7459101 |
Environmentally friendly alternative refrigerant for HCFC-22
The present invention discloses ternary mixtures of fluoroethane (HFC-161), pentafluoroethane (HFC-125) and difluoromethane (HFC-32) used as environmentally friendly alternative refrigerants to...
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7451615 |
Refrigeration device
A refrigeration device is provided that has a compressor, a heat source side heat exchanger, and a user side heat exchanger. The refrigeration device also has a condenser arranged between the...
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7422423 |
Refrigerant compressor, and refrigerating machine using the same
A refrigerant compressor includes a compressor section, driver, a first contact section and a second contact section. The compressor section is accommodated in a closed container for compressing...
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7410597 |
Thermally conductive material
A thermally conductive material includes a supercritical fluid and a number of carbon nanotubes incorporated in the supercritical fluid. The supercritical fluid may be selected from a group...
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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...
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7299653 |
Refrigerator system using non-azeotropic refrigerant, and non-azeotropic refrigerant for very low temperature used for the system
A single-stage refrigerating system includes a compressor, a condenser, an evaporator, and a heat exchanger for exchanging heat between a refrigerant in a path from the evaporator to the compressor...
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7296423 |
Composition and methods for injection of sealants into air conditioning and refrigeration systems
The use of sealants based on organosilanes for refrigeration and air conditioning systems is made possible by control of the rate of introduction and viscosity of the sealant mixture within certain...
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7269961 |
Thermodynamic cycle apparatus and method
A compressor and heat pump combination has an active chamber and a passive chamber, each with its own hot plate and cold plate. The two chambers are joined along an edge by a membrane that largely...
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7264731 |
Systems and methods with treated water
Units ( 10 ), systems ( 100 ), and methods with treated water are provided in which a treated water source ( 12, 104 ) is included integrally in a host piece of equipment ( 10, 102 ). The host...
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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...
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7246498 |
Refrigerating apparatus
A liquid injection type scroll compressor is used to a refrigerating apparatus using hydrocarbon fluoride refrigerant which does not contain chlorine (HFC-125/HFC-143 a /HFC-134 a ) as an operating...
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7234310 |
Very low temperature refrigeration system having a scroll compressor with liquid injection
Disclosed is a very low temperature or cryogenic refrigeration system with a scroll compressor and utilizing a mixed refrigerant that decreases refrigerant discharge temperature by refrigerant...
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7210301 |
Use of 1,1,1,3,3-pentafluorobutane as a refrigerant in a turbocompressor cooling system
The use of 1,1,1,3,3-pentafluorobutane (R365mfc) as refrigerant in turbocompressor cooling systems, which, due to their construction, can achieve high outputs with a small space and material...
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7144523 |
Azeotropic compositions of cyclopentane
This invention relates to compositions of cyclopentane, and a compound selected from the group consisting of hydrofluorocarbons, hydrofluoroethers, or fluorinated sulfur compounds. Specifically...
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7128528 |
Bearings for CO2 refrigerant compressor use, compressor using the same, and applications of the same
The object of the present invention is to provide: high-reliability and long-life CO 2 refrigerant compressor-use bearings that uses bearing materials high in wear resistance and in baking...
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7127902 |
Composition for leak stopper and sealer
A composition is disclosed for preventing and repairing leaks, and lubricating gaskets and o-rings, preferably for use in a motor vehicle air conditioning system. The composition preferably...
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7100380 |
Organic rankine cycle fluid
A method of operating an organic rankine cycle system wherein a liquid refrigerant is circulated to an evaporator where heat is introduced to the refrigerant to convert it to vapor. The vapor is...
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7086240 |
Method and apparatus for measuring and improving efficiency in refrigeration systems
An apparatus for optimizing an efficiency of a refrigeration system, comprising means for measuring a refrigeration efficiency of an operating refrigeration system: means for altering a process...
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7082786 |
Scroll compressor and refrigerating system using ammonia group refrigerant
The scroll compressor includes a scroll compression mechanism portion in combination of an orbiting scroll and a fixed scroll, a frame for supporting the compression portion, a rotary shaft fitted...
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7069983 |
Air conditioner
An air conditioner for a vehicle includes a refrigerant cycle having an evaporator which is disposed in a blowing duct and cools air by refrigerant evaporation in the blowing duct; a compressor...
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7069729 |
Material for magnetic refrigeration preparation and application
A material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (A Y B 1−y ) 2+δ C 1−x D x ) wherein A is selected from Mn and Co; B is...
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7059144 |
Methods of freezeout prevention for very low temperature mixed refrigerant systems
Refrigerant freezeout is prevented by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that achieves very low temperatures...
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7059143 |
Method and apparatus for measuring and improving efficiency in refrigeration systems
An apparatus for optimizing an efficiency of a refrigeration system, comprising means for measuring a refrigeration efficiency of an operating refrigeration system; means for altering a process...
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7055590 |
Air conditioning apparatus for vehicle
An air conditioning apparatus includes a valve for selectively introducing the coolant discharged from a compressor to either a flow path for a water-coolant heat exchanger or another flow path to...
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7021080 |
Refrigerator
A refrigerant circuit ( 10 ) is formed by connecting, in the order given, a compressor ( 11 ), a four-way selector valve ( 12 ), an outdoor heat exchanger ( 13 ), an expansion valve ( 14 ), and an...
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6983614 |
Heat transfer fluid for secondary refrigeration systems comprising a formate salt and sulfamic acid
A formate salt based heat transfer fluid containing sulfamic acid for a secondary refrigeration loop is disclosed. The formate based heat transfer fluid generally is a more effective heat transfer...
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6951115 |
Refrigerant composition and refrigerating circuit using the same
The development of an alternate refrigerant composition which is free from a possibility of causing depletion of the ozone layer and capable of maintaining the performance of a conventional...
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6935134 |
Method and kit used to cool beverages
A method and a kit is described for cooling beverages. Each employs a naturally occurring, non-porous igneous rock material, such as granite, that may be configured in the form of a polyhedron,...
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6913067 |
Vehicle conditioning system
Vehicle air-conditioning system, in particular CO 2 air conditioner, the refrigerant cycle of which comprises the following components: a compressor, a refrigerant cooler, an internal heat...
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6905630 |
Compositions of a hydrofluoroether and a hydrofluorocarbon
This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether...
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6875370 |
Drop-in Substitutes for dichlorodifluoromethane refrigerant
A group of known refrigerants, (R-227ea, R-124, R-134a, R-143a, R-125, R-E125, R-E143a, R-E227ca2, R-254cb, R-600a, R-142b, R-22, R-290, R-E170, R-1270, R-1216, R-218, R-C318, R-C270), that may be...
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6874325 |
Compressor and refrigerant system device using the same
The present specification discloses a compressor characterized in that a nonpolar solvent is used as a working fluid and an insulation part of a rotating section is formed from a low dielectric...
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6858571 |
Pentafluoropropene-based compositions
Provided are azeotrope-like compositions comprising pentafluoropropene (HFO-1225) and a fluid selected from the group consisting of 3,3,3-trifluoropropene (“HFO-1243zf”), 1,1-difluoroethane...
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6846792 |
Hydrofluorocarbon compositions
Refrigerant compositions include mixtures of difluoromethane and isobutane, butane, propylene or cyclopropane; pentafluoroethane and propylene or cyclopropane; 1,1,2,2-tetrafluoroethane and...
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6843930 |
Composition of refrigerant mixtures for high back pressure condition
There is provided a composition of refrigerant mixtures for high back pressure condition, comprising propane, propylene or 1,1-difluoroethane and, optionally, additive selected from the group...
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6790820 |
Compositions of hydrofluorocarbons and trans-1,2-dichloroethylene
The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively...
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6777382 |
Compositions of hydrofluorocarbons and methanol
The present invention provides compositions comprising an HFC component and a non-HFC component consisting essentially of methanol, having boiling points that are unexpectedly low and relatively...
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6742345 |
Temperature control system using aqueous 1,3-propanediol solution
A temperature control system is described for producing and maintaining temperatures in a pre-defined space within a pre-defined temperature range. A working fluid comprising an aqueous solution of...
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6739143 |
Refrigerating device
A refrigerant circuit ( 10 ) is formed by connecting, in series and in the order given, a compressor ( 11 ), a four-way selector valve ( 12 ), an outdoor heat exchanger ( 13 ), an expansion valve (...
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6718777 |
Refrigerating apparatus
A working medium is used which is composed of an R32 refrigerant or a mixed refrigerant containing at least 70 wt % of the R32 and a polyvinyl ether oil whose viscosity at 40° C. is 46-82 cst....
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6715290 |
Fluid mixture separation by low temperature glide heat
Apparatus and process for distilling a fluid mixture using low temperature glide heat are disclosed. A substantial portion of the glide heat is at a temperature lower than the peak distillation...
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6698214 |
Method of refrigeration with enhanced cooling capacity and efficiency
This invention relates to a refrigeration method and processes that employ a nontoxic and environmentally benign, oil-free refrigerant in a novel vapor-compression thermodynamic cycle that includes...
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6681581 |
Pre-conditioned solute for use in cryogenic processes
Embodiments of the present invention disclose methods for producing pre-conditioned solutes that exhibit no temperature spike during super-cooling in a cryogenic process. In addition, the solutes...
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6679320 |
Vehicle air conditioning circuit using a refrigerant fluid in the supercritical state
Refrigerant fluid such as CO 2 , compressed to the supercritical pressure by a compressor, is delivered selectively through a three-way valve, either into a branch of the circuit containing a...
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6672084 |
Energy saving refrigeration system using composition control with mixed refrigerants
An energy-saving refrigeration system circulates a mixture of R-134a, R-32 and R-125 whose composition is controlled using a vapor separator. A vortex generator is a preferred means to separate the...
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6666036 |
Freezer
Moisture in a refrigeration circuit is absorbed by means of a polyvinyl ether oil that has hygroscopicity and serves as a refrigerating machine oil. Therefore, even if a compressor comes to have an...
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6629419 |
CFC 12 replacement refrigerant
A refrigerant composition comprising a hydrofluorocarbon component including 1,1,1,2-tetrafluoroethane (HFC 134a), the composition further comprising an additive selected from a saturated...
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