WO2010024170A1 - 銀含有材料と接触する潤滑油組成物 - Google Patents
銀含有材料と接触する潤滑油組成物 Download PDFInfo
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- WO2010024170A1 WO2010024170A1 PCT/JP2009/064545 JP2009064545W WO2010024170A1 WO 2010024170 A1 WO2010024170 A1 WO 2010024170A1 JP 2009064545 W JP2009064545 W JP 2009064545W WO 2010024170 A1 WO2010024170 A1 WO 2010024170A1
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- C10M169/00—Lubricating 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
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- C10M141/10—Lubricating 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 phosphorus-containing compound
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- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
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- C10M2207/028—Overbased salts thereof
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/046—Overbasedsulfonic acid salts
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/04—Molecular weight; Molecular weight distribution
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/42—Phosphor free or low phosphor content compositions
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/43—Sulfur free or low sulfur content compositions
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/44—Boron free or low content boron compositions
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/52—Base number [TBN]
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
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- C10N2040/252—Diesel engines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
Definitions
- the said total aromatic content means the aromatic fraction (aromatic fraction) content measured based on ASTMD2549.
- this aromatic fraction includes alkylbenzene, alkylnaphthalene, anthracene, phenanthrene, alkylated products thereof, compounds in which four or more benzene rings are condensed, and heterogeneous compounds such as pyridines, quinolines, phenols, and naphthols. Compounds having aromatics are included.
- the poly ⁇ -olefin or hydride thereof is particularly preferable in that it has excellent oxidation stability even under more severe conditions and can suppress corrosion of silver due to components resulting from deterioration of the base oil even in long-term use. Can be used.
- the base number of the metal detergent is not particularly limited, but is usually preferably 0 mgKOH / g or more and 500 mgKOH / g or less, more preferably 150 mgKOH / g or more and 450 mgKOH / g or less, particularly preferably 200 mgKOH / g or more and 400 mgKOH. / G or less.
- the base number referred to here is JIS K2501 “Petroleum products and lubricating oils-Neutralization number test method”. Means the base number measured by the perchloric acid method according to the above.
- R 1 , R 2 and R 3 are each independently a linear or branched group having 40 to 400 carbon atoms, preferably 60 to 350 carbon atoms.
- An alkyl group or an alkenyl group is shown.
- a represents an integer of 1 to 10, preferably 2 to 5
- b represents an integer of 1 to 10, preferably 2 to 5.
- the boron-containing alkenyl succinimide can be obtained by allowing a boron compound such as boric acid, borate or boric acid ester to act on the alkenyl succinimide represented by the above formulas (1) and (2).
- a boron compound such as boric acid, borate or boric acid ester
- boric acid include orthoboric acid, metaboric acid, and tetraboric acid.
- Any conventional method can be employed as a method for producing zinc dialkyldithiophosphate, and is not particularly limited. Specifically, for example, hydrocarbon groups corresponding to R 4 , R 5 , R 6 and R 7 are used. It can be synthesized by reacting an alcohol or phenol with diphosphorus pentasulfide to produce dithiophosphoric acid and neutralizing it with zinc oxide.
- the structure of zinc dialkyldithiophosphate varies depending on the starting alcohol used.
- additives examples include antioxidants, antiwear agents (or extreme pressure agents), friction modifiers, viscosity index improvers, corrosion inhibitors, rust inhibitors, demulsifiers, metal deactivators, Examples thereof include additives such as an antifoaming agent and a coloring agent.
- antioxidants examples include ashless antioxidants such as phenols and aromatic amines, and metal antioxidants.
- ashless antioxidants such as phenols and aromatic amines
- metal antioxidants examples include phenol-based or aromatic amine-based antioxidants, bisphenol-based or phenol-based antioxidants having an ester bond.
- octyl-3- (3,5-ditertiarybutyl-4-hydroxyphenyl is preferable.
- corrosion inhibitor examples include benzotriazole, tolyltriazole, thiadiazole, or imidazole compounds.
- metal deactivator examples include imidazoline, pyrimidine derivatives, alkylthiadiazole, mercaptobenzothiazole, benzotriazole or derivatives thereof, 1,3,4-thiadiazole polysulfide, 1,3,4-thiadiazolyl-2,5-bis.
- metal deactivator examples include dialkyldithiocarbamate, 2- (alkyldithio) benzimidazole, and ⁇ - (o-carboxybenzylthio) propiononitrile.
- antifoaming agents examples include silicone oil, alkenyl succinic acid derivatives, esters of polyhydroxy aliphatic alcohols and long chain fatty acids, methyl salicylate and o-hydroxybenzyl alcohol, aluminum stearate, potassium oleate, N-dialkyl-allylamine Nitroaminoalkanol, aromatic amine salt of isoamyl octyl phosphate, alkylalkylene diphosphate, metal derivative of thioether, metal derivative of disulfide, fluorine compound of aliphatic hydrocarbon, triethylsilane, dichlorosilane, alkylphenyl polyethylene glycol ether sulfide, fluoro Examples thereof include alkyl ethers.
- the content is based on the total amount of the composition, and is usually 0.005% by mass or more and 5% by mass for corrosion inhibitors, rust inhibitors and demulsifiers, respectively.
- % Is selected from the range of 0.005% by mass to 1% by mass for the metal deactivator, and usually 0.0005% by mass to 1% by mass for the antifoaming agent.
- silver alloys include silver-tin alloys, silver-copper alloys, silver-tin-copper alloys, silver-aluminum alloys, silver-aluminum-silicon alloys, silver-aluminum-tin alloys, silver-aluminum-copper alloys, Silver-aluminum-silicon-tin alloy, silver-aluminum-silicon-copper alloy, silver-aluminum-tin-copper alloy, silver-aluminum-silicon-tin-copper alloy, and the like.
- the content is preferably 1% by mass or more, more preferably 2% by mass or more, further preferably 5% by mass or more, and further preferably 10% by mass or more.
- the lubricating oil composition of the present invention suppresses corrosion of the silver-containing material with which it comes into contact, it protects a silver-containing material and a machine or apparatus having the silver-containing material when used as a lubricating oil. Can do. Further, since zinc dialkyldithiophosphate is contained in the lubricating oil composition, silver sulfide corrosion can be suppressed while maintaining wear resistance and antioxidant properties. Therefore, it can be suitably used as a lubricating oil for various internal combustion engines, particularly a diesel engine, a diesel engine for railway vehicles, a gasoline engine for automobiles, and a four-cycle motorcycle engine.
- Lubricating oil compositions having the compositions shown in Table 1 were prepared by blending additives (A), (B), and (C) with three types of base oils (Examples 1 to 9, Comparative Examples) 1-5). The amount of each additive added is based on the total amount of the composition.
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Abstract
Description
一般的には、硫化腐食を防止するため、ベンゾトリアゾール等の腐食防止剤が使用される。しかし、ベンゾトリアゾール等の腐食防止剤は銅の腐食防止には有効であるが、銀の腐食防止には十分な効果を示さないことがわかってきた。このため、銀部材と接触する潤滑油組成物としてジアルキルジチオリン酸亜鉛を含有しない潤滑油組成物も提案されている(特許文献26参照)。
該潤滑油組成物全量基準で、
(A)成分を、金属量として0.12質量%以上2.0質量%以下、
(B)成分を、ホウ素量として0質量%以上0.03質量%以下、窒素量として0.005質量%以上0.08質量%未満で、かつ、前記ホウ素量(B)と前記窒素量(N)との質量比(B/N)が0以上0.55以下となる量、
(C)成分を、リン量として0.005質量%以上0.10質量%以下、
含有している、銀含有材料と接触する潤滑油組成物である。
本発明の潤滑油組成物(以下、単に潤滑油組成物ともいう。)に用いられる潤滑油基油としては、通常の潤滑油に使用される鉱油系基油及び/又は合成系基油であれば特に制限なく使用することができる。
本発明の潤滑油組成物は、(A)成分として金属系清浄剤を含有する。金属系清浄剤としては、特に制限はなく、公知のアルカリ金属又はアルカリ土類金属スルホネート系清浄剤、アルカリ金属又はアルカリ土類金属フェネート系清浄剤、アルカリ金属又はアルカリ土類金属サリシレート系清浄剤、アルカリ金属又はアルカリ土類金属ナフテネート系清浄剤、アルカリ金属又はアルカリ土類金属ホスホネート系清浄剤及びこれらの2種以上の混合物(コンプレックスタイプも含む。)等が挙げられる。これらの中ではフェネート系又はサリチレート系清浄剤が好ましい。
なお、これら金属系清浄剤の全塩基価及び添加量は要求される潤滑油の性能に応じて任意に選択することができる。
本発明の潤滑油組成物は、(B)成分としてアルケニルコハク酸イミドおよび/またはホウ素含有アルケニルコハク酸イミドを含有する。
本発明の潤滑油組成物は、(C)成分としてジアルキルジチオリン酸亜鉛を含有する。
本発明の潤滑油組成物は、銀の腐食を抑制することができるため、銀含有材料と接触する潤滑油として好適に使用することができる。銀含有材料としては、本発明の潤滑油組成物と接触する金属表面に銀が存在する限りにおいて何ら制限はなく、銀だけでなく、銀合金、あるいは、銀メッキ等、銀又は銀合金を各種金属基材表面に被覆した材料が挙げられる。また、銀含有材料には、その表面に非銀含有材料が被覆されていても、使用過程においてその被覆面が摩耗して当該銀含有材料が露出し、本発明の潤滑油組成物と接触する可能性がある場合も含まれる。また、銀含有材料には、摺動部に用いられる銀含有材料だけでなく、摺動部以外の、潤滑油組成物と接触する銀含有材料も含まれる。
3種の基油に、添加剤(A)、(B)、及び(C)成分を配合して、表1に示す組成を有する潤滑油組成物を調製した(実施例1~9、比較例1~5)。各添加剤の添加量は組成物全量基準である。
試験片:銀メッキ片(0.5mm×30mm×30mm)
試験温度:150℃
試験時間:90h
試験油量:250g
Claims (5)
- 鉱油系基油及び/又は合成系基油からなる潤滑油基油、(A)金属系清浄剤、(B)1種又は2種以上のアルケニルコハク酸イミド及び/又はホウ素含有アルケニルコハク酸イミド、並びに、(C)ジアルキルジチオリン酸亜鉛を含有してなる、潤滑油組成物であって、
該潤滑油組成物全量基準で、
(A)成分を、金属量として0.12質量%以上2.0質量%以下、
(B)成分を、ホウ素量として0質量%以上0.03質量%以下、窒素量として0.005質量%以上0.08質量%未満で、かつ、前記ホウ素量(B)と前記窒素量(N)との質量比(B/N)が0以上0.55以下となる量、
(C)成分を、リン量として0.005質量%以上0.10質量%以下、
含有している、銀含有材料と接触する潤滑油組成物。 - 前記(A)成分に起因する金属量(M)と前記(B)成分に起因する窒素量(N)との質量比(M/N)が1.6以上である、請求項1に記載の潤滑油組成物。
- 前記(A)成分が、アルカリ金属フェネート、アルカリ土類金属フェネート、アルカリ金属サリシレート、または、アルカリ土類金属サリシレートのいずれかである、請求項1または2に記載の潤滑油組成物。
- 前記潤滑油基油の硫黄分が50ppm未満である、請求項1~3のいずれかに記載の潤滑油組成物。
- 潤滑油として請求項1~4のいずれかに記載の潤滑油組成物を銀含有材料に接触させる工程を備えた、潤滑油と接触する銀含有材料の保護方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980133414.9A CN102131906B (zh) | 2008-08-29 | 2009-08-20 | 与含银材料接触的润滑油组合物 |
BRPI0918819A BRPI0918819A2 (pt) | 2008-08-29 | 2009-08-20 | composiçãoo de óleo lubrificante em contato com um material contendo prata |
EP09809822A EP2348093A4 (en) | 2008-08-29 | 2009-08-20 | LUBRICATING OIL COMPOSITION IN CONTACT WITH MATERIAL CONTAINING SILVER |
US13/060,907 US8802604B2 (en) | 2008-08-29 | 2009-08-20 | Lubricating oil composition in contact with silver-containing material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-222280 | 2008-08-29 | ||
JP2008222280A JP5249683B2 (ja) | 2008-08-29 | 2008-08-29 | 銀含有材料と接触する潤滑油組成物 |
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WO2010024170A1 true WO2010024170A1 (ja) | 2010-03-04 |
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PCT/JP2009/064545 WO2010024170A1 (ja) | 2008-08-29 | 2009-08-20 | 銀含有材料と接触する潤滑油組成物 |
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US (1) | US8802604B2 (ja) |
EP (1) | EP2348093A4 (ja) |
JP (1) | JP5249683B2 (ja) |
KR (1) | KR20110073442A (ja) |
CN (1) | CN102131906B (ja) |
BR (1) | BRPI0918819A2 (ja) |
WO (1) | WO2010024170A1 (ja) |
Families Citing this family (8)
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US8400030B1 (en) * | 2012-06-11 | 2013-03-19 | Afton Chemical Corporation | Hybrid electric transmission fluid |
CN109439401A (zh) * | 2013-03-08 | 2019-03-08 | 出光兴产株式会社 | 润滑油组合物 |
CN105189718A (zh) * | 2013-03-08 | 2015-12-23 | 出光兴产株式会社 | 润滑油组合物 |
US9909079B2 (en) * | 2013-10-18 | 2018-03-06 | Chevron Oronite Company Llc | Lubricating oil composition for protection of silver bearings in medium speed diesel engines |
CN103695135B (zh) * | 2013-12-27 | 2015-12-09 | 广西谛恒生物能源投资有限公司 | 蓖麻基燃气燃料发动机油组合物 |
JP6927488B2 (ja) * | 2017-03-30 | 2021-09-01 | 出光興産株式会社 | 二輪車用潤滑油組成物、該潤滑油組成物を用いた二輪車の燃費向上方法、及び該潤滑油組成物の製造方法 |
WO2020161635A1 (en) * | 2019-02-08 | 2020-08-13 | Chevron Oronite Company Llc | Composition and method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines |
FR3109942B1 (fr) * | 2020-05-05 | 2022-08-19 | Total Marketing Services | Composition lubrifiante pour vehicules electriques |
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2008
- 2008-08-29 JP JP2008222280A patent/JP5249683B2/ja active Active
-
2009
- 2009-08-20 US US13/060,907 patent/US8802604B2/en not_active Expired - Fee Related
- 2009-08-20 CN CN200980133414.9A patent/CN102131906B/zh not_active Expired - Fee Related
- 2009-08-20 EP EP09809822A patent/EP2348093A4/en not_active Withdrawn
- 2009-08-20 KR KR1020117005685A patent/KR20110073442A/ko not_active Application Discontinuation
- 2009-08-20 BR BRPI0918819A patent/BRPI0918819A2/pt not_active Application Discontinuation
- 2009-08-20 WO PCT/JP2009/064545 patent/WO2010024170A1/ja active Application Filing
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CA810120A (en) | 1969-04-08 | George W. Campbell, Jr. | Non-caking borax and production thereof | |
US2959546A (en) | 1956-08-28 | 1960-11-08 | Exxon Research Engineering Co | Silver corrosion inhibited lubricating composition |
US3267033A (en) | 1963-04-15 | 1966-08-16 | Lubrizol Corp | Lubricating composition having desirable frictional characteristics |
US3649373A (en) | 1970-01-29 | 1972-03-14 | Schering Ag | Passivating agent for protecting the surfaces of silver-bearing materials |
US3775321A (en) | 1971-07-09 | 1973-11-27 | Atlantic Richfield Co | Lubricating oil composition |
GB1415964A (en) | 1973-01-25 | 1975-12-03 | Exxon Research Engineering Co | Anti-wear lubricating composition |
US4169799A (en) | 1976-12-27 | 1979-10-02 | Texaco Inc. | Lubricating oil composition |
US4244827A (en) | 1977-02-03 | 1981-01-13 | Ciba-Geigy Corporation | Mixture of di- or trithiophosphoric acid diesters, processes for producing it and its use |
US4278553A (en) | 1980-01-04 | 1981-07-14 | Texaco Inc. | Diesel lubricant containing benzotriazole derivatives |
US4285823A (en) | 1980-01-04 | 1981-08-25 | Texaco Inc. | Diesel lubricant containing 5-amino tetrazoles |
US4575431A (en) | 1984-05-30 | 1986-03-11 | Chevron Research Company | Lubricant composition containing a mixture of neutralized phosphates |
US4764296A (en) | 1986-02-28 | 1988-08-16 | Amoco Corporation | Railway lubricating oil |
US4820431A (en) | 1986-02-28 | 1989-04-11 | Amoco Corporation | Railway lubricating oil |
US4717490A (en) | 1986-09-30 | 1988-01-05 | Chevron Research Company | Synergistic combination of alkali metal borates, sulfur compounds, phosphites and neutralized phosphates |
US5302304A (en) | 1990-12-21 | 1994-04-12 | Ethyl Corporation | Silver protective lubricant composition |
US5244591A (en) | 1992-03-23 | 1993-09-14 | Chevron Research And Technology Company | Lubricating oil compositions for internal combustion engines having silver bearing parts |
JPH06264110A (ja) | 1993-03-10 | 1994-09-20 | Hitachi Powdered Metals Co Ltd | 低摩擦係数焼結摺動部材及びその製造方法 |
JPH07151148A (ja) | 1993-11-29 | 1995-06-13 | Ndc Co Ltd | すべり軸受用オ−バレイ合金 |
JPH09257045A (ja) | 1996-03-22 | 1997-09-30 | Nippon Seiko Kk | ニードル軸受 |
JPH1061727A (ja) | 1996-08-22 | 1998-03-06 | Tsubakimoto Chain Co | 放熱チェーン |
JP2000240657A (ja) | 1998-12-22 | 2000-09-05 | Daido Metal Co Ltd | すべり軸受 |
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US20040259743A1 (en) | 2003-06-18 | 2004-12-23 | The Lubrizol Corporation, A Corporation Of The State Of Ohio | Lubricating oil composition with antiwear performance |
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JP2007023289A (ja) | 2005-07-20 | 2007-02-01 | Chevron Oronite Co Llc | 潤滑油組成物 |
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Title |
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See also references of EP2348093A4 |
Also Published As
Publication number | Publication date |
---|---|
JP5249683B2 (ja) | 2013-07-31 |
KR20110073442A (ko) | 2011-06-29 |
CN102131906A (zh) | 2011-07-20 |
EP2348093A1 (en) | 2011-07-27 |
US20110212863A1 (en) | 2011-09-01 |
US8802604B2 (en) | 2014-08-12 |
CN102131906B (zh) | 2014-01-15 |
EP2348093A4 (en) | 2013-01-09 |
JP2010053303A (ja) | 2010-03-11 |
BRPI0918819A2 (pt) | 2015-12-08 |
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