MX172024B - Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion - Google Patents

Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion

Info

Publication number
MX172024B
MX172024B MX020982A MX2098290A MX172024B MX 172024 B MX172024 B MX 172024B MX 020982 A MX020982 A MX 020982A MX 2098290 A MX2098290 A MX 2098290A MX 172024 B MX172024 B MX 172024B
Authority
MX
Mexico
Prior art keywords
compression refrigeration
composition
improving lubrication
refrigeration equipment
equipment
Prior art date
Application number
MX020982A
Other languages
English (en)
Inventor
Robert Alexander Gorski
William Lowell Brown
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23420184&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX172024(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pont filed Critical Du Pont
Publication of MX172024B publication Critical patent/MX172024B/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008—Lubricant compositions compatible with refrigerants
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/24—Only one single fluoro component present

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La presente invención se refiere a una composición para usarse en refrigeración por compresión, caracterizada porque comprende: a) al menos un compuesto seleccionado del grupo que consiste de un tetrafluoroetano y pentafluoroetano; y b) una cantidad suficiente para proporcionar lubricación, de al menos un glicol de polioxialquileno al azar el cual es monofuncional con respecto a grupos hidroxilo y está basado en 25 a 75 por ciento de óxido de etileno y 75 a 25 por ciento de óxido de propileno, que tiene una viscosidad en SUS a 37.78 grados C (100 grados F) de 100 a 1200 y es miscible en combinación con el componente (a) en la gama de temperaturas desde -40 grados C hasta al menos +20 grados C.
MX020982A 1989-06-02 1990-06-01 Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion MX172024B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/360,984 US4971712A (en) 1989-06-02 1989-06-02 Compositions for compression refrigeration and methods of using them

Publications (1)

Publication Number Publication Date
MX172024B true MX172024B (es) 1993-11-29

Family

ID=23420184

Family Applications (1)

Application Number Title Priority Date Filing Date
MX020982A MX172024B (es) 1989-06-02 1990-06-01 Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion

Country Status (14)

Country Link
US (2) US4971712A (es)
EP (1) EP0402009B2 (es)
JP (1) JP2818471B2 (es)
KR (1) KR910000987A (es)
CN (1) CN1047689A (es)
AT (1) ATE108820T1 (es)
AU (1) AU631646B2 (es)
BR (1) BR9002596A (es)
CA (1) CA2017872A1 (es)
DE (1) DE69010778T3 (es)
ES (1) ES2057401T5 (es)
IL (1) IL94584A0 (es)
MX (1) MX172024B (es)
ZA (1) ZA904212B (es)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543068A (en) * 1988-04-08 1996-08-06 Japan Energy Corporation Lubricating oils for flon compressors, compositions adapted for flon compressors and composed of mixtures of said lubricating oils and flon, and process for lubricating flon compressor by using said lubricating oils
US5269955A (en) * 1989-05-08 1993-12-14 Idemitsu Kosan Co., Ltd. Lubricating oil for compression-type refrigerators and polyoxyalkylene glycol derivative
US5211867A (en) * 1989-06-28 1993-05-18 Allied-Signal Inc. Azeotrope-like compositions of pentafluoroethane and 1,1,1-trifluoroethane
GB8924057D0 (en) * 1989-10-25 1989-12-13 Ici Plc Lubricants
US5304319A (en) * 1989-11-30 1994-04-19 Matsushita Electric Industrial Co., Ltd. Working fluid
US5370811A (en) * 1989-11-30 1994-12-06 Matsushita Electric Industrial Co., Ltd. Working fluid containing tetrafluoroethane
US5433879A (en) * 1989-11-30 1995-07-18 Matsushita Electric Industrial Co., Ltd. Working fluid containing difluoroethane
EP0461262B1 (en) * 1989-12-14 1995-05-03 Idemitsu Kosan Company Limited Use of refrigerator oil composition for Hydrofluorcarbon refrigerant
JP2792191B2 (ja) * 1990-04-04 1998-08-27 ダイキン工業株式会社 冷 媒
ATE115994T1 (de) * 1990-07-26 1995-01-15 Du Pont Quasi-azeotrope mischungen zur verwendung als kältemittel.
US5277834A (en) * 1990-07-26 1994-01-11 E. I. Du Pont De Nemours And Company Near-azeotropic blends for use as refrigerants
US5722256A (en) * 1990-12-17 1998-03-03 E. I. Du Pont De Nemours And Company Air conditioner and heat pump with tetrafluoroethane-containing working fluid
US5185094A (en) * 1990-12-17 1993-02-09 E. I. Du Pont De Nemours And Company Constant boiling compositions of pentafluoroethane, difluoromethane, and tetrafluoroethane
US5643492A (en) * 1990-12-17 1997-07-01 E. I. Du Pont De Nemours And Company Constant boiling compositions of HFC-32, HFC-125 and HFC-134 A
JP2901369B2 (ja) * 1991-01-30 1999-06-07 株式会社日立製作所 冷凍機油組成物とそれを内蔵した冷媒圧縮機及び冷凍装置
JP3469587B2 (ja) * 1991-04-02 2003-11-25 三洋電機株式会社 冷媒組成物
WO1992017559A1 (en) * 1991-04-05 1992-10-15 Allied-Signal Inc. Stabilized dichlorotrifluoroethane refrigeration compositions
US5156768A (en) * 1991-04-05 1992-10-20 Allied-Signal Inc. Stabilized chlorine-containing refrigeration compositions
WO1992018580A1 (en) * 1991-04-19 1992-10-29 Allied-Signal Inc. Refrigeration compositions of hydrofluorocarbon refrigerant and lubricant
AU648435B2 (en) * 1991-09-19 1994-04-21 Japan Energy Corporation Lubricating oils for flon compressors, compositions adapted for flon compressors and composed of mixtures of said lubricating oils and flon, and process for lubricating flon compressor by using said lubricating oils
WO1993006196A1 (en) * 1991-09-26 1993-04-01 E.I. Du Pont De Nemours And Company Compositions and process for use in refrigeration
US5290466A (en) * 1991-10-31 1994-03-01 E. I. Du Pont De Nemours And Company Compositions of difluoromethane and tetrafluoroethane
JP3200127B2 (ja) * 1991-12-18 2001-08-20 旭電化工業株式会社 冷凍機用の潤滑剤
US5294359A (en) * 1992-02-03 1994-03-15 Alliedsignal Inc. Refrigerant compositions
US6183662B1 (en) 1992-06-03 2001-02-06 Henkel Corporation Polyol ester lubricants, especially those compatible with mineral oils, for refrigerating compressors operating at high temperatures
US5976399A (en) 1992-06-03 1999-11-02 Henkel Corporation Blended polyol ester lubricants for refrigerant heat transfer fluids
ATE195545T1 (de) 1992-06-03 2000-09-15 Henkel Corp Schmiermittel auf basis von polyolester für kälteübertragungsmittel
US5499908A (en) * 1992-09-30 1996-03-19 Tecumseh Products Company Method of making foam in an energy efficient compressor
JP2977046B2 (ja) * 1992-11-27 1999-11-10 株式会社ジャパンエナジー アンモニア冷凍装置、該冷凍装置に用いる作動流体組成物及びアンモニア圧縮機の潤滑方法
EP0612835B1 (en) * 1993-02-19 1999-08-25 Idemitsu Kosan Company Limited Refrigerating machine oil composition
NL9300834A (nl) * 1993-05-14 1994-12-01 Bernardina Carolina Maria Enge Koelinrichting.
US5370812A (en) * 1993-06-28 1994-12-06 Union Carbide Chemicals & Plastics Technology Corporation Lubricant compositions for refrigerators comprising polyalkylene glycol and a hydrocarbon solvent
JPH07173479A (ja) * 1993-11-05 1995-07-11 Japan Energy Corp 弗化炭化水素系冷媒圧縮機用潤滑油、同潤滑油を用いる弗化炭化水素系冷媒圧縮機潤滑方法及び弗化炭化水素系冷媒圧縮機用作動流体組成物
US5942149A (en) * 1994-04-26 1999-08-24 Weber, Iii; Harrison M. Environmentally safer replacement refrigerant for freon 12-based refrigeration systems
US5492643A (en) * 1994-04-26 1996-02-20 Kenneth B. Ruello, Jr. Environmentally safer replacement refrigerant for freon 12-based refrigeration systems
US6070454A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives for use in heating, ventilating, refrigeration, and air conditioning systems
US6070455A (en) * 1995-07-21 2000-06-06 Bright Solutions, Inc. Leak detection additives
US5885942A (en) * 1997-09-23 1999-03-23 Nch Corporation Multifunctional lubricant additive
GB0107502D0 (en) * 2001-03-26 2001-05-16 Ici Plc Lubricant compositions
US20010019120A1 (en) 1999-06-09 2001-09-06 Nicolas E. Schnur Method of improving performance of refrigerant systems
US6541430B1 (en) 2000-03-24 2003-04-01 E. I. Du Pont De Nemours And Company Fluorinated lubricant additives
US6573223B1 (en) 2002-03-04 2003-06-03 The Lubrizol Corporation Lubricating compositions with good thermal stability and demulsibility properties
US20040089839A1 (en) 2002-10-25 2004-05-13 Honeywell International, Inc. Fluorinated alkene refrigerant compositions
US7279451B2 (en) 2002-10-25 2007-10-09 Honeywell International Inc. Compositions containing fluorine substituted olefins
US6736991B1 (en) * 2003-02-12 2004-05-18 Crompton Corporation Refrigeration lubricant for hydrofluorocarbon refrigerants
US20050082510A1 (en) * 2003-09-08 2005-04-21 Ponder Kenneth M. Refrigerant with lubricating oil for replacement of R22 refrigerant
US7560045B2 (en) * 2003-10-21 2009-07-14 Dow Global Technologies, Inc. Refrigerant composition
JP2007509227A (ja) * 2003-10-21 2007-04-12 ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション 冷媒組成物
US9499729B2 (en) * 2006-06-26 2016-11-22 Honeywell International Inc. Compositions and methods containing fluorine substituted olefins
US7655610B2 (en) 2004-04-29 2010-02-02 Honeywell International Inc. Blowing agent compositions comprising fluorinated olefins and carbon dioxide
US20050133756A1 (en) * 2003-11-04 2005-06-23 Ponder Kenneth M. Refrigerant with lubricating oil
US7332102B2 (en) * 2003-11-04 2008-02-19 Stefko Properties, Llc Refrigerant with lubricating oil
US7943380B2 (en) * 2004-06-02 2011-05-17 Bright Solutions, Inc. Leak detection materials and methods
WO2006071965A2 (en) * 2004-12-28 2006-07-06 Stefko Properties, Llc Refrigerant for low temperature applications
US8574451B2 (en) * 2005-06-24 2013-11-05 Honeywell International Inc. Trans-chloro-3,3,3-trifluoropropene for use in chiller applications
US7732386B2 (en) 2005-10-25 2010-06-08 Chevron U.S.A. Inc. Rust inhibitor for highly paraffinic lubricating base oil
EP2205706A1 (en) * 2007-10-15 2010-07-14 Dow Global Technologies Inc. Functional fluid composition for improving lubricity of a braking system
EP2260231B1 (en) 2008-04-01 2021-07-14 Honeywell International Inc. Methods for using two-phase refrigerant-lubricant mixtures in vapor-compression refrigeration devices
US8003003B2 (en) * 2008-04-04 2011-08-23 Dow Global Technologies Llc Refrigerant composition
US8038899B2 (en) 2008-04-28 2011-10-18 Honeywell International Inc. Refrigerant compositions having a siloxane solubilizing agent
BRPI0910361A2 (pt) * 2008-07-16 2015-10-06 Dow Global Technologies Inc composto de polialquileno glicol terminado por silila, método para preparar um composto de polialquileno glicol terminado por silila e composição refrigerante
CN102264877B (zh) * 2008-12-23 2014-12-10 瑞弗化工有限公司 制冷润滑剂组合物
CA2773453C (en) 2009-09-09 2018-10-09 Honeywell International Inc. Monochlorotrifluoropropene compounds and compositions and methods using same
US8864185B2 (en) * 2010-03-18 2014-10-21 Alcoa Inc. Latch with adjustable handle
FR2971512B1 (fr) 2011-02-10 2013-01-18 Arkema France Compositions binaires de 2,3,3,3-tetrafluoropropene et d'ammoniac
FR2973805B1 (fr) 2011-04-08 2013-04-12 Arkema France Compositions comprenant du 3,3,3-trifluoropropene et de l'ammoniac
FR2974812B1 (fr) 2011-05-04 2014-08-08 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
US9187682B2 (en) * 2011-06-24 2015-11-17 Emerson Climate Technologies, Inc. Refrigeration compressor lubricant
FR2986007B1 (fr) 2012-01-25 2015-01-23 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
FR2986236B1 (fr) 2012-01-26 2014-01-10 Arkema France Compositions de transfert de chaleur presentant une miscibilite amelioree avec l'huile de lubrification
JP2013234796A (ja) * 2012-05-09 2013-11-21 Mitsubishi Electric Corp ヒートポンプ装置
FR3008419B1 (fr) 2013-07-11 2015-07-17 Arkema France Compositions a base de 2,3,3,3-tetrafluoropropene presentant une miscibilite amelioree
CN105916958A (zh) 2014-01-16 2016-08-31 瑞孚化工产品有限公司 干燥的合成制冷润滑剂组合物
US11041331B2 (en) 2015-04-03 2021-06-22 Howmet Aerospace Inc. Latch having tool recess in trigger
US10337218B2 (en) 2015-07-08 2019-07-02 Arconic Inc. Handle mechanisms
CA2992151C (en) 2015-08-04 2020-01-21 Arconic Inc. Pressure relief latch
JP6484764B2 (ja) 2015-08-26 2019-03-13 アーコニック インコーポレイテッドＡｒｃｏｎｉｃ Ｉｎｃ． 調節式圧力解放掛け金
US10760304B2 (en) 2015-09-01 2020-09-01 Howmet Aerospace Inc. Adjustable hook latch
EP3356628B1 (en) 2015-09-30 2022-01-19 Howmet Aerospace Inc. Pressure relief door
US10378256B2 (en) 2015-10-30 2019-08-13 Arconic Inc. Pressure relief latch
EP3322639B1 (en) 2016-01-21 2019-03-27 Arconic Inc. Pawl latch
CA3019604C (en) 2016-06-13 2021-01-26 Arconic Inc. Rotary latch system
CN107828460B (zh) * 2017-10-20 2020-08-25 珠海格力节能环保制冷技术研究中心有限公司 冷冻油、其应用及压缩机
US10883063B2 (en) 2018-01-23 2021-01-05 The Chemours Company Fc, Llc Compositions, system and methods for introducing PAG lubricant or refrigerant into an air-conditioning or system using lower or low GWP refrigerant or refrigerant blends
US10913913B2 (en) 2018-01-23 2021-02-09 The Chemours Company Fc, Llc Polyol ester compositions
EP3967737A1 (en) 2018-01-23 2022-03-16 The Chemours Company FC, LLC Compositions, system and methods for introducing pag lubricant or refrigerant into an air-conditioning or system using lower or low gwp refrigerant or refrigerant blends
EP4194532B1 (en) 2018-01-23 2024-05-22 The Chemours Company FC, LLC Compositions, system and methods for introducing poe lubricant into an electric (hev, phev, ev) automotive air-conditioning/heating system or stationary air-conditioning/heating system or stationary refrigeration system using hfo-1234yf
FR3077822B1 (fr) 2018-02-15 2020-07-24 Arkema France Compositions de transfert de chaleur en remplacement du r-134a
EP3775091B1 (en) 2018-04-30 2023-04-12 The Chemours Company FC, LLC Stabilized fluoroolefin compositions and methods for their production, storage and usage
JP2024525762A (ja) 2021-07-12 2024-07-12 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー 安定化フルオロエチレン組成物、並びにその保管方法及び使用方法
MX2024004685A (es) 2021-10-21 2024-05-06 Chemours Co Fc Llc Composiciones que comprenden 2,3,3,3-tetrafluoropropeno.
JP2024537452A (ja) 2021-10-21 2024-10-10 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー ２，３，３，３－テトラフルオロプロペンを含む安定化されたブレンド組成物
WO2023069570A1 (en) 2021-10-21 2023-04-27 The Chemours Company Fc, Llc Stabilized compositions comprising 2,3,3,3-tetrafluoropropene
CA3238656A1 (en) 2022-01-18 2023-07-27 The Chemours Company Fc, Llc Fluoroolefin compositions containing a dye and methods for their production, storage and usage
MX2024010302A (es) 2022-03-18 2024-08-28 Chemours Co Fc Llc Aditivos de hidrocarburos para composiciones de 1234yf e hidrofluorocarbono (hfc), metodos para su produccion, almacenamiento y uso.
US20240336823A1 (en) 2023-04-06 2024-10-10 The Chemours Company Fc, Llc Refrigerant compositions comprising z-1,3,3,3-tetrafluoropropene, methods of making same, and uses thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53140469A (en) * 1977-05-13 1978-12-07 Nippon Oil Co Ltd Component of high viscosity refrigerator oil
US4170564A (en) * 1977-10-06 1979-10-09 Milliken Research Corporation Refrigerants colored for leak indication with substituted anthraquinone dyes
JPS5558298A (en) * 1978-10-25 1980-04-30 Nippon Oil Co Ltd Lubricating oil for rotary refrigerant compressor
JPS5585864A (en) * 1978-12-25 1980-06-28 Hitachi Ltd Closed circulating absorption refrigerating amchine
JPS5679175A (en) * 1979-11-30 1981-06-29 Daikin Ind Ltd Absorption refrigerant carrier composition
JPS5840468A (ja) * 1981-09-04 1983-03-09 株式会社日立製作所 密閉循環系吸収式冷凍機
US4751012A (en) * 1985-12-23 1988-06-14 The Dow Chemical Company Lubricants for reciprocating air compressors
US4767554A (en) * 1987-09-18 1988-08-30 Nalco Chemical Company Polycarboxylic acid ester drawing and ironing lubricant emulsions and concentrates
US4755316A (en) * 1987-10-23 1988-07-05 Allied-Signal Inc. Refrigeration lubricants
US4916914A (en) * 1988-05-27 1990-04-17 Cpi Engineering Services, Inc. Rotary displacement compression heat transfer systems incorporating highly fluorinated refrigerant-synthetic oil lubricant compositions
US4851144A (en) * 1989-01-10 1989-07-25 The Dow Chemical Company Lubricants for refrigeration compressors
US4950415A (en) * 1989-11-17 1990-08-21 Nalco Chemical Company Water washable dry film lubricants

Also Published As

Publication number Publication date
JP2818471B2 (ja) 1998-10-30
JPH03103497A (ja) 1991-04-30
ZA904212B (en) 1992-02-26
DE69010778T2 (de) 1995-03-09
IL94584A0 (en) 1991-04-15
DE69010778T3 (de) 1998-02-26
ATE108820T1 (de) 1994-08-15
ES2057401T3 (es) 1994-10-16
EP0402009A1 (en) 1990-12-12
US5152926A (en) 1992-10-06
AU631646B2 (en) 1992-12-03
CN1047689A (zh) 1990-12-12
DE69010778D1 (de) 1994-08-25
BR9002596A (pt) 1991-08-20
AU5619790A (en) 1990-12-06
EP0402009B1 (en) 1994-07-20
ES2057401T5 (es) 1998-03-01
CA2017872A1 (en) 1990-12-02
EP0402009B2 (en) 1997-12-03
US4971712A (en) 1990-11-20
KR910000987A (ko) 1991-01-30

Similar Documents

Publication Publication Date Title
MX172024B (es) Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion
DE3873349D1 (de) Schmiermittel fuer kuehlung.
MX172023B (es) Composicion para usarse en refrigeracion por compresion y metodo para mejorar la lubricacion en el equipo de refrigeracion por compresion
ES2047852T3 (es) Composiciones y procedimientos de uso en refrigeracion.
EP0803564A3 (en) Refrigerator oil composition
BR9000106A (pt) Composicao lubrificante,composicao fluida e processo para preparar uma composicao lubrificante
BR9006973A (pt) Composicoes fluidas para compressores de refrigeracao e processo para preparar as mesmas
ES2082148T3 (es) Composicion fluida de trabajo para maquinas refrigeradas.
EP1085077A4 (en) LUBRICANT COMPOSITION FOR REFRIGERATORS
DK0557279T3 (da) Smøremiddelholdige kølemiddelarbejdsvæsker
RU98102354A (ru) Холодильное масло и способ смазывания с использованием холодильного масла
ES2080589T3 (es) Composicion refrigerante.
EP2284247A3 (en) Lubricating oil composition for refrigerators and method for lubrication with the composition
PL300277A1 (en) Method of operating a compressor-type heat pump or compressor-type refrigerating unit with ammonia used as refrigerant
KR930018012A (ko) 테트라플루오로에탄냉매 냉동기용 윤활유
ES2056507T3 (es) Empleo de los aceites de esteres complejos como lubrificantes para los compresores de agentes frigorificos.
FI883613A (fi) Additivblandning foer smoerjmedel innehaollande antimonitioantimonat och antimonitrioxid.
Tanaka et al. Polycarbonate and Use Thereof
TH24558A (th) น้ำมันสำหรับเครื่องทำความเย็นและกรรมวิธีการหล่อลื่นโดยใช้น้ำมันสำหรับเครื่องทำความเย็นนั้น
GB2012811A (en) Lubricating compositions for the compressors of heat pumps
TH8458A (th) น้ำมันเพื่อการหล่อลื่นสำหรับเครื่องทำความเย็นที่ใช้คอมเพรสเซอร์
TH12550B (th) น้ำมันเพื่อการหล่อลื่นสำหรับเครื่องทำความเย็นที่ใช้คอมเพรสเซอร์