Vaporization, Or Expansion, Refrigeration Or Heat Or Energy Exchange Patents (Class 252/67)
With lubricants, or warning, stabilizing or anti-corrosion agents or persistent gases (Class 252/68)
-
Patent number: 8808571Abstract: The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from 1,1-difluoroethane (R-152a), fluoroethane (R-161), and mixtures thereof.Type: GrantFiled: May 20, 2011Date of Patent: August 19, 2014Assignee: Mexichem Amanco Holding S.A. de C.V.Inventor: Robert E. Low
-
Patent number: 8809254Abstract: Provided are azeotrope-like compositions comprising heptafluoropropane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agents, fire suppressant compositions, and aerosol propellants.Type: GrantFiled: October 28, 2013Date of Patent: August 19, 2014Assignee: Honeywell International Inc.Inventors: Rajiv Ratna Singh, Hang T. Pham, Robert G. Richard
-
Patent number: 8808570Abstract: The invention provides a heat transfer composition comprising (i) a first component selected from trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z)) and mixtures thereof; (ii) carbon dioxide (R-744); and (iii) a third component selected from propylene (R-1270), propane (R-290), n-butane (R-600), isobutane (R-600a), and mixtures thereof.Type: GrantFiled: May 20, 2011Date of Patent: August 19, 2014Assignee: Mexichem Amanco Holding S.A. de C.V.Inventor: Robert E. Low
-
Patent number: 8808569Abstract: 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 counterflow mode.Type: GrantFiled: August 18, 2010Date of Patent: August 19, 2014Assignee: Arkema FranceInventor: Wissam Rached
-
Publication number: 20140223927Abstract: Compositions, methods and systems which comprise or utilize a multi-component mixture comprising: (a) HFC-32; (b) HFC-125; (c) HFO-1234ze, HFO-1234yf and combinations of these; and (d) optionally HFC-134a.Type: ApplicationFiled: March 13, 2013Publication date: August 14, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: GUSTAVO POTTKER, MARK W. SPATZ, SAMUEL F. YANA MOTTA
-
Patent number: 8802743Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of pentane, hexane, methanol, and trans-1,2-dichloroethene.Type: GrantFiled: March 28, 2011Date of Patent: August 12, 2014Assignee: Honeywell International Inc.Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv R. Singh, Ryan Hulse, Hang T. Pham
-
Publication number: 20140222699Abstract: The invention provides a heat transfer composition comprising up to about 30% by weight carbon dioxide (R-744), from about 30% to about 80% by weight difluoromethane (R-32), and 1,3,3,3-tetrafluoropropene (R-1234ze).Type: ApplicationFiled: August 2, 2012Publication date: August 7, 2014Inventor: Robert Elliott Low
-
Publication number: 20140216074Abstract: The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: (I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of said first composition; (II) a second composition, wherein said HFC-32 is at most 29 weight percent of said second composition; (III) a third composition, wherein said HFC-152a is at least 56 weight percent said third composition; (IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of said fourth composition; (V) a fifth composition comprising trans-HFO-1234ze, HFC-32, and HFC-152a, HFO-1243zf, or a mixture thereof; and (VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of said sixth composition.Type: ApplicationFiled: August 24, 2012Publication date: August 7, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Barbara Haviland Minor, Joachim Gerstel
-
Patent number: 8790539Abstract: Provided are azeotrope-like compositions comprising 1,1,1,2,2,3,3-heptafluoro-3-methoxy propane and E-1-chloro-3,3,3-trifluoropropene (K-1233zd) and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, solvent, and aerosol propellants.Type: GrantFiled: September 20, 2011Date of Patent: July 29, 2014Assignee: Arkema Inc.Inventors: Laurent Abbas, Brett L. Van Horn
-
Patent number: 8791167Abstract: A composition including an effective amount of trans-1,3,3,3-tetrafluoropropene component combined with an effective amount of an alcohol selected from the group of methanol, ethanol, propanol, isopropanol, tert-butanol, isobutanol, 2-ethyl hexanol and any combination thereof, where the composition has azeotropic properties.Type: GrantFiled: February 13, 2012Date of Patent: July 29, 2014Assignee: Honeywell International Inc.Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
-
Publication number: 20140191154Abstract: Compositions are disclosed comprising: (a) 1,1,1,2,2-pentafluoropropane; (b) a compound selected from the group consisting of 2,3,3,3-tetrafluoropropene, E-1,3,3,3-tetrafluoropropene, and 1,1,1-trifluoropropene; and optionally (c) a compound selected from the group consisting of 1,1,1,2-tetrafluoroethane and difluoromethane. Such compositions are useful in methods to produce cooling, produce heat, transfer heat, form a foam, produce aerosol products, for recovering heat, and for replacing existing refrigerants. Additionally, these compositions are useful in refrigeration, air conditioning and heat pump apparatus.Type: ApplicationFiled: August 20, 2012Publication date: July 10, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Barbara Haviland Minor, William Joseph Simonsick, Konstantinos Kontomaris
-
Publication number: 20140191153Abstract: Heat transfer compositions and methods wherein the compositions have a burning velocity (BV) of less than about 10 and a global warming potential (GWP) of less than about 400 comprising: (a) from, about 0 to about 50% by weight of HFC-32; (b) from about 50% to about 90% by weight of a compound selected from unsaturated —CF3 terminated propenes, unsaturated —CF3 terminated butenes, and combinations of these; and (c) from about 0 to about 25% by weight of a compound selected from HFO-1243zf, HFC-152a, and combinations of these, provided that the combination of components (a) and (c) together comprise at least about 10% by weight of the composition, and further provided that the amount of each of the components (a), (b) and (c) is selected to ensure that the BV of the composition is less than about 10 and the GWP of the composition is less than about 400.Type: ApplicationFiled: March 13, 2014Publication date: July 10, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Samuel F. Yana Motta, Mark W. Spatz, Ryan Hulse
-
Patent number: 8771542Abstract: Disclosed herein is a heat transfer fluid, comprising a hydroxylated carboxylic acid of formula (OH)x(R1)(COOH)y, wherein x is 2 to 10, y is 3 to 10, and R1 is a C2-50 aliphatic group, a C6-50 aromatic group, or a combination thereof; and wherein the hydroxylated carboxylic acid comprises the hydroxylated carboxylic acid, an ester thereof, a salt thereof, an anhydride thereof, or a combination thereof. A heat transfer system comprises an aluminum component, a magnesium component, or an aluminum component and a magnesium component; and the foregoing heat transfer fluid.Type: GrantFiled: July 9, 2009Date of Patent: July 8, 2014Assignee: Prestone Products CorporationInventors: Bo Yang, Aleksei V Gershun, Peter M Woyciesjes
-
Patent number: 8765004Abstract: Disclosed herein is a chiller apparatus containing a composition comprising from about 6 to about 70 weight percent 2,3,3,3-tetrafluoropropene and from about 30 to about 94 weight percent 1,1,1,2-tetrafluoroethane. Also disclosed herein is a method for producing cooling in a chiller comprising (a) evaporating a liquid refrigerant comprising from about 6 to 70 weight percent 2,3,3,3-tetrafluoropropene and from about 30 to 94 weight percent 1,1,1,2-tetrafluoroethane in an evaporator having a heat transfer medium passing therethrough thereby producing a vapor refrigerant; and (b) compressing the vapor refrigerant in a compressor. Also disclosed herein is a method for replacing a refrigerant in a chiller designed for using HFC-134a or CFC-12 as refrigerant, comprising charging said chiller with a composition comprising a refrigerant consisting essentially of from about 6 to 70 weight percent 2,3,3,3-tetrafluoropropene and from about 30 to 94 weight percent 1,1,1,2-tetrafluoroethane.Type: GrantFiled: April 12, 2011Date of Patent: July 1, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Konstantinos Kontomaris, Thomas Joseph Leck
-
Patent number: 8765005Abstract: Provided is a refrigerating machine oil composition including a base oil which contains at least one substance selected from the group consisting of monoether compounds, alkyleneglycol diethers, and polyoxyalkyleneglycol diethers having an average repetition number of an oxyalkylene group of 2 or less as a main component, and has a kinematic viscosity at 40° C. of 1 to 8 mm2/s. The refrigerating machine oil composition is preferably applied to refrigerators whose sliding parts are composed of an engineering plastic or provided with an organic coating film or an inorganic coating film. The refrigerating machine oil can improve energy-saving performance due to its low viscosity, has high sealing property and excellent load capacity, and is suitably used in various refrigeration applications, especially in closed-type refrigerators.Type: GrantFiled: February 14, 2011Date of Patent: July 1, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventor: Masato Kaneko
-
Publication number: 20140174084Abstract: Disclosed are compositions of novel working fluids uniquely designed for higher cycle efficiencies leading to higher overall system efficiencies. In particular, these working fluids are useful in Organic Rankine Cycle systems for efficiently converting heat from any heat source into mechanical energy. The present invention also relates to novel processes for recovering heat from a heat source using ORC systems with a novel working fluid comprising at least about 20 weight percent cis-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz-Z), trans-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz-E), or mixtures thereof.Type: ApplicationFiled: August 16, 2012Publication date: June 26, 2014Applicant: EI DU PONT DE NEMOURS AND COMPANYInventor: Konstantinos Kontomaris
-
Publication number: 20140178312Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.Type: ApplicationFiled: February 25, 2014Publication date: June 26, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: RAJAT BASU, LESLIE BEMENT, KANE COOK, RYAN HULSE, GARY KNOPECK, HANG T. PHAM, RAJIV R. SINGH, DAVID J. WILLIAMS
-
Patent number: 8758640Abstract: Nonflammable compositions comprising fluorinated compounds selected from the group consisting of hydrofluoroalkanes, hydrofluoroalkenes, partially or perfluorinated aromatic compounds, hydrofluoroethers, and fluoroketones; 1,2-dichloroethylene, especially trans-1,2-dichloroethylene; and a stabilizer. These non-flammable compositions which preferably contain 1,1,1,3,3-pentafluorobutane, can be used especially as solvents for cleaning and defluxing electronic components and for degreasing metals. The compositions further may comprise a propellant, e.g. 1,1,1,2-tetrafluoroethane. These compositions are especially suitable as flushing agent.Type: GrantFiled: November 2, 2012Date of Patent: June 24, 2014Assignee: Solvay Fluor GmbHInventors: Michael Marhold, Helge Rau, Karsten Borner, Christoph Meurer
-
Publication number: 20140166923Abstract: Compositions comprising HFO-1234ze(E) and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.Type: ApplicationFiled: February 24, 2014Publication date: June 19, 2014Inventors: Samuel F. Yana Motta, Mark W. Spatz, Ryan Hulse
-
Publication number: 20140158250Abstract: A gas storage container, such as a gas cylinder, is filled with a gas mixture comprising a first gas and a second gas under pressure by feeding a liquid/solid mixture comprising liquefied first gas and solidified second gas into the gas storage container; closing the gas storage container to the passage of gas into or out from the container; and allowing said liquefied first gas and said solidified second gas to become gaseous within said closed gas storage container. Such a process is easier and more energy efficient as compared to direct compression processes, and is safer and results in less wastage as compared to direct liquid injection processes.Type: ApplicationFiled: December 12, 2011Publication date: June 12, 2014Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Neil Alexander Downie, Christopher John Mercer
-
Publication number: 20140158930Abstract: A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range ?50° C. and +40° C.Type: ApplicationFiled: May 13, 2013Publication date: June 12, 2014Inventors: John Edward Poole, Richard Powell
-
Publication number: 20140157793Abstract: A novel magneto caloric material (MCM) is provided that can be used in, for example, a regenerator of a heat pump, appliance, air conditioning system, and other heating and/or cooling devices. The MCM is a type of Heusler alloy, has an L21 crystal structural prototype, and can undergo a reversible phase transformation between a low temperature, low magnetization Martensite phase and a high temperature, high magnetization Austenite phase to exhibit an inverse magneto caloric effect upon application of a sufficient magnetic field. A process of annealing of the alloy is also provided that can be used to adjust the temperature at which this phase transformation occurs. The present invention includes the alloy as subjected to such annealing.Type: ApplicationFiled: December 7, 2012Publication date: June 12, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Francis Johnson, Min Zou, Ming Yin, Raghavendra Rao Adharapurapu, Christopher Klapper, Vijay Kumar Srivastava
-
Patent number: 8747691Abstract: Provided are azeotropic and azeotrope-like compositions of trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) and water. Such azeotropic and azeotrope-like compositions are useful in isolating trans-1,3,3,3-tetrafluoropropene from impurities during production. Azeotropes of the instant invention are similarly useful in final compositions or for the manufacture of final compositions, such as blowing agent, propellants, refrigerants, diluents for gaseous sterilization and the like.Type: GrantFiled: April 8, 2011Date of Patent: June 10, 2014Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Haluk Kopkalli, Hang T. Pham
-
Patent number: 8741829Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: March 26, 2012Date of Patent: June 3, 2014Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck
-
Patent number: 8734671Abstract: An azeotrope-like mixture consisting essentially of a binary azeotrope-like mixture consisting essentially of trans-1-chloro-3,3,3-trifluoropropene (trans-HFO-1233zd) and a second component selected from the group consisting of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze), and combinations of these and various uses thereof.Type: GrantFiled: November 15, 2011Date of Patent: May 27, 2014Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Rajiv R. Singh, Hang T. Pham
-
Publication number: 20140137578Abstract: The present invention relates, in part, to heat transfer and refrigerant compositions and methods that include HFC-32; HFO-1234ze and HFC-125.Type: ApplicationFiled: March 12, 2013Publication date: May 22, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: SAMUEL F. YANA MOTTA, MARK W. SPATZ, ELIZABET DEL CARMEN VERA BECERRA, ANKIT SETHI, THOMAS MORRIS
-
Publication number: 20140131613Abstract: Refrigerants for use in a thermodynamic cycle taking place in a system producing either hot or cold are disclosed. The refrigerants comprise binary azeotrope mixture of saturated hydrocarbon with either methanol or ethanol. The refrigerants are of preventing undesirable formation of oil film on the inner surface of the circulating system and thus to improve the performance of the system.Type: ApplicationFiled: November 12, 2012Publication date: May 15, 2014Inventors: Anatoly Vishnevsky, Alexander Ignatovski, Yuri Belilovski
-
Publication number: 20140131614Abstract: To provide a working medium for heat cycle which has inflammability suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency), and a heat cycle system whereby safety is secured and which is excellent in the cycle performance (efficiency). A working medium for heat cycle comprising 1,1-dichloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).Type: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Masato FUKUSHIMA
-
Patent number: 8721916Abstract: The refrigerant composition is a hydrocarbon-based composition that may be used as a refrigerant for air conditioners, refrigerators or the like, and further, which may be used as a detergent for cleaning precision components, such as semiconductor chips, motherboards or the like. The refrigerant composition preferably includes, by volume, between 50% and 65% propylene, between 30% and 45% propane, and between 5% and 10% isobutane. In a preferred embodiment, the refrigerant composition contains about 40% propane, about 55% propylene, and about 5% isobutane (methyl propane) by volume.Type: GrantFiled: May 12, 2011Date of Patent: May 13, 2014Assignee: A.S. Trust & Holdings Inc.Inventor: Richard H. Maruya
-
Publication number: 20140124699Abstract: A heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), carbon dioxide (R-744) and a third component selected from difluoromethane (R-32), 1,1-difluoroethane (R-152a), fluoroethane (R-161), 1,1,1,2-tetrafluoroethane (R-134a), propylene, propane and mixtures thereof.Type: ApplicationFiled: January 13, 2014Publication date: May 8, 2014Applicant: Mexichem Amanco Holding S.A. DE C.V.Inventor: Robert E. Low
-
Patent number: 8715521Abstract: The present invention relates to an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides an absorption cycle that utilizes fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling using an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating using an absorption cycle comprising a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.Type: GrantFiled: February 2, 2006Date of Patent: May 6, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Mark Brandon Shiflett, Akimichi Yokozeki
-
Patent number: 8707720Abstract: The present invention relates to a hybrid vapor compression—absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides for the performance of a hybrid vapor compression—absorption cycle that utilizes refrigerants and absorbents such as fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling by the execution of a hybrid vapor compression—absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating by the execution of a hybrid vapor compression—absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.Type: GrantFiled: June 22, 2010Date of Patent: April 29, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Mark Brandon Shiflett, Akimichi Yokozeki
-
Patent number: 8709303Abstract: A dielectric insulation medium including a hydrofluoro monoether, the hydrofluoro monoether containing at least three carbon atoms. The insulation medium according has high insulation capabilities, in particular a high dielectric strength, and at the same time a low GWP. The invention further includes an insulation medium which is chemically and thermally stable also at temperatures above 140° C., which is non-toxic or has a low toxicity level, and which in addition is non-corrosive and non-explosive.Type: GrantFiled: June 14, 2013Date of Patent: April 29, 2014Assignee: ABB Research Ltd.Inventors: Navid Mahdizadeh, Thomas Alfred Paul, Judith Kessler, Markus Bujotzek, Patrick Stoller, Max-Steffen Claessens, Per Skarby
-
Patent number: 8709275Abstract: Hydrofluorocarbon refrigerant compositions enable the use of existing compressor technologies in heat pump water heaters in a reliable (low discharge temperatures and pressures) and efficient (high capacity and efficiency) manner. The refrigerant comprises blends of pentafluoroethane (HFC-125), difluoromethane (HFC-32), tetrafluoroethane (HFC-134a) and tetrafluoropropene (HFO-1234ze).Type: GrantFiled: May 3, 2010Date of Patent: April 29, 2014Assignee: Honeywell International Inc.Inventors: Samuel F. Yana Motta, Lawrence Chin, Zhili Lu, Mark W. Spatz, Maggie Cao
-
Publication number: 20140110623Abstract: A binary composition of 1,3,3,3-tetrafluoropropene and ammonia, as well as to the use thereof, in particular as a heat-transfer fluid. The composition may include from 40% to 99% of ammonia and from 1% to 60% of 1,3,3,3-tetrafluoropropene; preferably from 60% to 98% of ammonia and from 2% to 40% of 1,3,3,3-tetrafluoropropene; preferably from 70% to 95% of ammonia and from 5% to 30% of 1,3,3,3-tetrafluoropropene; preferably from 75% to 90% of ammonia and from 10% to 25% of 1,3,3,3-tetrafluoropropene; preferably from 78% to 85% of ammonia and from 15% to 22% of 1,3,3,3-tetrafluoropropene. The 1,3,3,3-tetrafluoropropene may be in the cis form or in the trans form or is a mixture of cis form and trans form and in which, preferably, at least 80% or at least 90% or at least 95% or at least 98% or at least 99% of the 1,3,3,3-tetrafluoropropene is in the trans form.Type: ApplicationFiled: May 14, 2012Publication date: April 24, 2014Applicant: ARKEMA FRANCEInventors: Jean-Christophe Boutier, Wissam Rached
-
Patent number: 8703690Abstract: This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.Type: GrantFiled: March 6, 2009Date of Patent: April 22, 2014Assignee: Arkema Inc.Inventors: Brett L. Van Horn, Phillipe Bonnet
-
Patent number: 8703006Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of a C1-C3 alcohol, a C5-C6 hydrocarbon, a halogenated hydrocarbon, methylal, methyl acetone, water, nitromethane, and combinations thereof.Type: GrantFiled: November 17, 2011Date of Patent: April 22, 2014Assignee: Honeywell International Inc.Inventors: Rajat Basu, Leslie Bement, Kane Cook, Ryan Hulse, Gary Knopeck, Hang T. Pham, Rajiv R. Singh, David J. Williams
-
Patent number: 8696927Abstract: Disclosed herein is heat transfer system, comprising a brazed aluminum component, and a heat transfer fluid in fluid communication with the brazed aluminum component, wherein the heat transfer fluid comprises a liquid coolant, an oxy-anion of molybdenum, tungsten, vanadium, phosphorus, antimony, or a combination thereof, and a corrosion inhibitor. Also disclosed is a method of preventing corrosion in the heat transfer system, and a heat transfer fluid and additive package for use in the heat transfer system.Type: GrantFiled: March 3, 2009Date of Patent: April 15, 2014Assignee: Prestone Products CorporationInventors: Bo Yang, Peter M. Woyciesjes, Aleksei V. Gershun, Filipe J. Marinho
-
Patent number: 8696926Abstract: A process is disclosed for making CF3CH2CHF2, CF3CH?CHF and/or CF3CH?CHCl. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHClCH2X, halopropenes of the formula CX3CCl?CH2 and halopropenes of the formula CX2?CClCH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCl, CF3CH2CHF2, CF3CH?CHF and CF3CH?CHCl; and recovering the CF3CH2CHF2, CF3CH?CHF and/or CF3CH?CHCl from the product mixture. Also disclosed is a process for making CF3CF2CH3 and/or CF3CF?CH2. In each of the processes the molar ratio of HF to total amount of starting material fed to the reaction zone is at least stoichiometric. Also disclosed is an azeotropic composition comprising CF3CCl?CH2, and HF. Also disclosed is an azeotropic composition comprising CF3CF2CH3, and HF.Type: GrantFiled: November 29, 2012Date of Patent: April 15, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
-
Patent number: 8691108Abstract: A refrigeration apparatus (20) includes a refrigerant circuit (10) in which refrigerant is circulated by a compressor (30) to perform a refrigeration cycle. The compressor (30) includes a fluid machine (82) for compressing refrigerant; and an electric motor (85) for driving the fluid machine (82). Refrigerant oil having volume resistivity of equal to or greater than 1010 ?·m at 20° C. is used for the compressor (30).Type: GrantFiled: March 18, 2009Date of Patent: April 8, 2014Assignee: Daikin Industries, Ltd.Inventors: Hideki Matsuura, Masaru Tanaka, Hideki Hara
-
Patent number: 8691107Abstract: Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrfluorocarbons. The combinations of the present invention comprise hydrofluoroolefins and/or hydrochlorofluoroolefins in combination with a stabilizer or stabilizers selected from free radical scavengers, acid scavengers, oxygen scavengers, polymerization inhibitors and combinations thereof.Type: GrantFiled: February 27, 2013Date of Patent: April 8, 2014Assignee: Arkema Inc.Inventors: Maher Y. Elsheikh, Brett L. Van Horn, Philippe Bonnet, Benjamin Bin Chen
-
Patent number: 8692037Abstract: Disclosed are compositions comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf, and HFC-254fb. Compositions comprising HFC-245eb are useful in processes to make HFO-1234yf. Also disclosed are compositions comprising HFO-1234yf and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC-245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a and FC-1216. Compositions comprising HFO-1234yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.Type: GrantFiled: November 14, 2012Date of Patent: April 8, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Barry Asher Mahler, Mario Joseph Nappa, Jeffrey P Knapp
-
Publication number: 20140083119Abstract: A composition including 2,4,4,4-10-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene, and also the use thereof in particular as a heat transfer fluid. The composition may include: from 1% to 99% of 2,4,4,4-tetrafluorobut-1-ene and from 1% to 99% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 5% to 70% of 2,4,4,4-tetrafluorobut-1-ene and from 30% to 95% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 20% to 65% of 2,4,4,4-tetrafluorobut-1-ene and from 35% to 80% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 25% to 60% of 2,4,4,4-tetrafluorobut-1-ene and from 40% to 75% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 28% to 51% of 2,4,4,4-tetrafluorobut-1-ene and from 49% to 72% of cis-1,1,1,4,4,4-hexafluorobut-2-ene.Type: ApplicationFiled: May 15, 2012Publication date: March 27, 2014Applicant: Arkema FranceInventor: Wissam Rached
-
Patent number: 8680037Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with ethanol, 2-chloro-3,3,3-trifluoropropene, methanol, E-1,1,1,4,4,5,5,5-octafluoro-2-pentene, 2-bromo-3,3,3-trifluoropropene, methyl acetate, acetone, chloroform, n-hexane or 1-chloro-3,3,3-trifluoropropene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: GrantFiled: June 2, 2010Date of Patent: March 25, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Mark Robin
-
Patent number: 8679363Abstract: The invention relates to a method of heat transfer by means of a vapor compression circuit containing a heat transfer fluid, said method including, consecutively, evaporating the heat transfer fluid, compressing the heat transfer fluid, condensing the heat transfer fluid to a temperature greater than or equal to 70° C., and decompressing the heat transfer fluid. In said method, the heat transfer fluid includes 1,1,1,3,3-pentafluorobutane and 1,1,1,3,3-pentafluoropropane, the compounding weight ratio of 1,1,1,3,3-pentafluorobutane in the fluid being no higher than 20%. The invention also relates to a heat transfer fluid suitable for implementing said method and to a facility that is also suitable for implementing said method.Type: GrantFiled: February 15, 2011Date of Patent: March 25, 2014Assignee: Arkema FranceInventors: Wissam Rached, Laurent Abbas
-
Publication number: 20140077124Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: RAJIV R. SINGH, Hang T. Pham, Gary M. Knopeck
-
Publication number: 20140077123Abstract: To provide a working medium for heat cycle which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (the efficiency and the capacity), and a heat cycle system excellent in the cycle performance (the efficiency and the capacity). A working medium for heat cycle comprising 1,2-difluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Masato FUKUSHIMA
-
Publication number: 20140077122Abstract: To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Masato FUKUSHIMA
-
Publication number: 20140070132Abstract: To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (capacity). A working medium for heat cycle comprising 1,1,2-trifluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).Type: ApplicationFiled: November 19, 2013Publication date: March 13, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Masato FUKUSHIMA
-
Publication number: 20140070129Abstract: The present invention relates to non-flammable compositions comprising chlorotrifluoropropene with reduced risk of flammability which are useful as refrigerants, heat transfer fluids, solvents, cleaners, blowing agents, aerosols, extraction fluids, and the like.Type: ApplicationFiled: May 17, 2012Publication date: March 13, 2014Applicant: Arkema Inc.Inventors: Debra H. Kennoy, Brett L. Van Horn, Benjamin Bin Chen, Philippe Bonnet