GB2439172B - Power transmission fluid with enhanced friction characteristics - Google Patents

Power transmission fluid with enhanced friction characteristics

Info

Publication number
GB2439172B
GB2439172B GB0709917A GB0709917A GB2439172B GB 2439172 B GB2439172 B GB 2439172B GB 0709917 A GB0709917 A GB 0709917A GB 0709917 A GB0709917 A GB 0709917A GB 2439172 B GB2439172 B GB 2439172B
Authority
GB
United Kingdom
Prior art keywords
power transmission
transmission fluid
friction characteristics
enhanced friction
enhanced
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB0709917A
Other versions
GB0709917D0 (en
GB2439172A (en
Inventor
Timothy J Henley
Samuel H Tersigni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Afton Chemical Corp
Original Assignee
Afton Chemical Corp
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
Application filed by Afton Chemical Corp filed Critical Afton Chemical Corp
Publication of GB0709917D0 publication Critical patent/GB0709917D0/en
Publication of GB2439172A publication Critical patent/GB2439172A/en
Application granted granted Critical
Publication of GB2439172B publication Critical patent/GB2439172B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02Petroleum fractions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M125/00Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/24Compounds containing phosphorus, arsenic or antimony
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M125/00Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26Compounds containing silicon or boron, e.g. silica, sand
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M141/00Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/06Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087Boron oxides, acids or salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028Overbased salts thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26Overbased carboxylic acid salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/086Imides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/223Five-membered rings containing nitrogen and carbon only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
    • C10M2215/223Five-membered rings containing nitrogen and carbon only
    • C10M2215/224Imidazoles
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28Amides; Imides
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046Overbasedsulfonic acid salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/04Groups 2 or 12
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/76Reduction of noise, shudder, or vibrations
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/04Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/042Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/04Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/044Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/04Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/045Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for continuous variable transmission [CVT]
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/12Chemical after-treatment of the constituents of the lubricating composition by phosphorus or a compound containing phosphorus, e.g. PxSy
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/14Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron
    • C10N2240/042
    • C10N2240/044
    • C10N2240/045
GB0709917A 2006-06-16 2007-05-23 Power transmission fluid with enhanced friction characteristics Active GB2439172B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/425,845 US20070293406A1 (en) 2006-06-16 2006-06-16 Power transmission fluid with enhanced friction characteristics

Publications (3)

Publication Number Publication Date
GB0709917D0 GB0709917D0 (en) 2007-07-04
GB2439172A GB2439172A (en) 2007-12-19
GB2439172B true GB2439172B (en) 2008-10-08

Family

ID=38265241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0709917A Active GB2439172B (en) 2006-06-16 2007-05-23 Power transmission fluid with enhanced friction characteristics

Country Status (7)

Country Link
US (1) US20070293406A1 (en)
JP (1) JP2007332377A (en)
KR (1) KR100892893B1 (en)
CN (1) CN101323810B (en)
DE (1) DE102007021044A1 (en)
FR (1) FR2902437A1 (en)
GB (1) GB2439172B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080119377A1 (en) * 2006-11-22 2008-05-22 Devlin Mark T Lubricant compositions
JP5379361B2 (en) * 2007-08-08 2013-12-25 出光興産株式会社 Antiwear agent, additive composition for lubricant and lubricating oil composition
US20090318319A1 (en) * 2008-06-23 2009-12-24 Afton Chemical Corporation Friction modifiers for slideway applications
BRPI1008612A2 (en) * 2009-02-18 2016-03-15 Lubrizol Corp amine derivatives as friction modifying agents in lubricants
WO2010114896A1 (en) 2009-03-31 2010-10-07 Arqule, Inc. Substituted indolo-pyridinone compounds
KR101674702B1 (en) * 2009-05-13 2016-11-09 더루우브리졸코오포레이션 Lubricating composition containing malic acid derivative
JP5642360B2 (en) * 2009-06-16 2014-12-17 シェブロンジャパン株式会社 Lubricating oil composition
CA2711626C (en) * 2009-07-31 2017-11-28 Chevron Japan Ltd. Friction modifier and transmission oil
US9506010B2 (en) 2009-09-25 2016-11-29 Idemitsu Kosan Co., Ltd. Lubricant composition and continuously-variable transmission
JP2011190331A (en) * 2010-03-12 2011-09-29 Idemitsu Kosan Co Ltd Lubricant composition
BR112013028292A2 (en) * 2011-05-04 2019-09-24 Lubrizol Corp motorcycle engine lubricant
JP5922449B2 (en) 2012-03-14 2016-05-24 出光興産株式会社 Lubricating oil composition
WO2014135549A1 (en) * 2013-03-04 2014-09-12 Shell Internationale Research Maatschappij B.V. Lubricating composition
US10227544B2 (en) * 2013-08-15 2019-03-12 Infineum International Limited Automotive transmission fluid compositions for improved energy efficiency
US20150051129A1 (en) * 2013-08-15 2015-02-19 Infineum International Limited Transmission Fluid Compositions for Improved Energy Efficiency
EP3050945A4 (en) * 2013-09-25 2017-06-07 Idemitsu Kosan Co., Ltd Lubricating oil composition for traction drive transmission
BR112016006956B1 (en) * 2013-09-30 2021-04-06 The Lubrizol Corporation FRICTION CONTROL METHOD
JP2015151490A (en) * 2014-02-17 2015-08-24 出光興産株式会社 Lubricant composition
JP6551727B2 (en) 2015-03-31 2019-07-31 出光興産株式会社 Lubricating oil composition
JP6533689B2 (en) * 2015-04-22 2019-06-19 出光興産株式会社 Automatic transmission oil
JP6940274B2 (en) * 2016-01-21 2021-09-22 Emgルブリカンツ合同会社 Lubricating oil composition
US20190352575A1 (en) * 2018-05-18 2019-11-21 Chevron Japan Ltd. Lubricating oils for wet clutch systems
CN115960667A (en) * 2021-10-12 2023-04-14 中国石油天然气股份有限公司 Ultra-long-life drive axle lubricating oil composition and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2288790A1 (en) * 1997-06-12 1998-12-17 Exxon Chemical Patents, Inc. Power transmission fluids of improved viscometric and anti-shudder properties
WO2000073406A1 (en) * 1999-05-28 2000-12-07 Infineum International Limited Zinc-free continuously variable transmission fluid
EP1233054A1 (en) * 2001-02-14 2002-08-21 Ethyl Corporation Automatic transmission fluids with improved anti-shudder properties
EP1518921A1 (en) * 2003-09-23 2005-03-30 Afton Chemical Corporation Power transmission fluids having extended friction durability
EP1529831A2 (en) * 2003-11-10 2005-05-11 Afton Chemical Corporation Lubricant compositions for power transmitting fluids
EP1645616A1 (en) * 2004-10-08 2006-04-12 Afton Chemical Corporation Power transmission fluids with enhanced antishudder durability
EP1705235A1 (en) * 2005-03-23 2006-09-27 Afton Chemical Corporation Lubricating compositions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68912307T2 (en) * 1988-10-24 1994-05-05 Exxon Chemical Patents Inc FRICTION MODIFICERS CONTAINING AMID FOR USE IN POWER TRANSMISSION FLUIDS.
US5652201A (en) * 1991-05-29 1997-07-29 Ethyl Petroleum Additives Inc. Lubricating oil compositions and concentrates and the use thereof
US5972851A (en) * 1997-11-26 1999-10-26 Ethyl Corporation Automatic transmission fluids having enhanced performance capabilities
CA2371832A1 (en) * 2001-03-05 2002-09-05 Ethyl Corporation Power transmission fluids with enhanced lubricating properties
US6528458B1 (en) 2002-04-19 2003-03-04 The Lubrizol Corporation Lubricant for dual clutch transmission
US20050148478A1 (en) * 2004-01-07 2005-07-07 Nubar Ozbalik Power transmission fluids with enhanced anti-shudder characteristics
US7947636B2 (en) * 2004-02-27 2011-05-24 Afton Chemical Corporation Power transmission fluids
US7439213B2 (en) * 2004-10-19 2008-10-21 The Lubrizol Corporation Secondary and tertiary amines as friction modifiers for automatic transmission fluids

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2288790A1 (en) * 1997-06-12 1998-12-17 Exxon Chemical Patents, Inc. Power transmission fluids of improved viscometric and anti-shudder properties
WO2000073406A1 (en) * 1999-05-28 2000-12-07 Infineum International Limited Zinc-free continuously variable transmission fluid
EP1233054A1 (en) * 2001-02-14 2002-08-21 Ethyl Corporation Automatic transmission fluids with improved anti-shudder properties
EP1518921A1 (en) * 2003-09-23 2005-03-30 Afton Chemical Corporation Power transmission fluids having extended friction durability
EP1529831A2 (en) * 2003-11-10 2005-05-11 Afton Chemical Corporation Lubricant compositions for power transmitting fluids
EP1645616A1 (en) * 2004-10-08 2006-04-12 Afton Chemical Corporation Power transmission fluids with enhanced antishudder durability
EP1705235A1 (en) * 2005-03-23 2006-09-27 Afton Chemical Corporation Lubricating compositions

Also Published As

Publication number Publication date
CN101323810A (en) 2008-12-17
KR20070120025A (en) 2007-12-21
US20070293406A1 (en) 2007-12-20
CN101323810B (en) 2011-11-16
FR2902437A1 (en) 2007-12-21
KR100892893B1 (en) 2009-04-15
JP2007332377A (en) 2007-12-27
GB0709917D0 (en) 2007-07-04
GB2439172A (en) 2007-12-19
DE102007021044A1 (en) 2007-12-20

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