JPH02212596A - パワーステアリング用作動流体組成物 - Google Patents
パワーステアリング用作動流体組成物Info
- Publication number
- JPH02212596A JPH02212596A JP1031628A JP3162889A JPH02212596A JP H02212596 A JPH02212596 A JP H02212596A JP 1031628 A JP1031628 A JP 1031628A JP 3162889 A JP3162889 A JP 3162889A JP H02212596 A JPH02212596 A JP H02212596A
- Authority
- JP
- Japan
- Prior art keywords
- alkyl
- power steering
- substituted
- unsubstituted phenyl
- compounds
- 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.)
- Granted
Links
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- C10M135/32—Heterocyclic sulfur, selenium or tellurium compounds
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- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/02—Unspecified siloxanes; Silicones
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
-
- C—CHEMISTRY; METALLURGY
- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
-
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- Chemical & Material Sciences (AREA)
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Abstract
め要約のデータは記録されません。
Description
るものであり、さらに詳しくはエンジンによってオイル
ポンプが駆動し、運転者が操舵することKよりコントロ
ールバルブ、アクチュエータとしてのパワーシリンダー
を作動させ、その操舵出力を倍力化するための油圧系に
使用される作動流体組成物に関する。
装着率が20%程度でありたが、近年は約80%と著し
い伸びをみせ、その作動液もオートマチックトランスミ
ッシ!1ノフルー、ド(ATF)兼用油の使用からパワ
ーステアリング専用油への使用へと変わりつつある。そ
のパワーステアリング用作動流体はベーンポンプあるい
はギヤーボンブチ80〜105ky/cWI”G、油温
60〜12ocノ範囲で循環使用され、通常車のスクラ
ップまで無交換である。さらに寒冷地での始動性をよく
するための低温特性、スムーズなシリンダーの動き等が
要求される。このため作動流体に要求される性能として
摩耗防止性、低温流動性、熱酸化安定性、低摩擦特性及
び耐シール性等が要求されている。
油に種々の添加剤を配合し、パワーステアリング用作動
流体組成物として供されている。
足させるため摩耗防止剤兼酸化防止剤としての機能を有
するジチオリン酸亜鉛を添加したものが多い。この場合
、使用中(通常、油温は60〜100rK達する。)シ
ステム系内に使用されているゴム部品との組合せで系内
の銅及び銅メツキ部分の銅の溶解を生じる。一般には二
) IJルゴムを使用した場合、鋼がニトリル基と反応
し、錯体を生成し、油圧系内のゴムにトリルゴム)の劣
化(硬化)につながることが知られ、さらには、銅がゴ
ムの劣化を速める金属として知られている。このように
油圧系内のゴム部品の劣化は亀裂くよる液もれ、作動不
良等に連がることがあるため充分注意する必要がある。
チオリン酸亜鉛による銅の溶出ということがあげられる
が、これはジチオリン酸亜鉛を用いない系においても銅
の溶出はある程度は小さくなるがおさまらず系内のゴム
材料の劣化は避けられない。このためジチオリン酸亜鉛
に替わる添加剤の探索とともに銅の溶解を積極的に抑制
する有効な添加剤の探索が望まれていた。
ねた結果本発明を完成した。
ン酸系化合物を使用し、かつチアジアゾール誘導体とを
組合せて添加することにより、作動液中への銅の溶解が
抑制できることを見い出したものである。これにより、
油圧作動システム系内のゴム材料の劣化を促進すること
がなくなり油圧作動システムのこれまで以上のより長期
の安定使用を確保することができる。
ニルリン酸系化合物、アルキルあるいはアルキル置換ま
たは未置換フェニルチオリン酸系化合物およびアルキル
あるいはアルキル置換または未置換フェニルジチオリン
酸系化合物からなる群から選ばれたものの少なくと本1
種、および(ロ) 次式: (式中、R1およびR2は各々独立して炭素原子数1〜
12の直鎖又は分岐鎖アルキル基を表わす。)で表わさ
れるチアジアゾール誘導体の1種又は2種以上を含有す
ることを特徴とするパワーステアリング用作動流体組成
物に存する。
または未置換フヱニルリ/酸系化合物としてハ亜リン酸
エステル、フォスフオン酸エステル、正リン酸エステル
、ビロリン酸エステル、酸性リン酸エステル、酸性リン
酸エステルアミン塩などのアルキルあるいはアルキル置
換または未置換フェニルリン酸エステル化合物類を挙げ
ることができる。アルキルあるいはアルキル置換または
未置換フェニルチオリン酸系化合物としてはチオホスフ
ェート、酸性チオリン酸エステル等のチオリン酸エステ
ル化合物あるいはこれら酸性チオリン酸エステルのアル
キルアミン完全中和塩あるいは部分中和塩等のアルキル
あるいはアルキル置換または未置換フェニルチオリン酸
系化合物を挙げることができる。アルキルあるいはアル
キル置換または未置換フェニルジチオリン酸系化合物と
しては、ジチオフォスフェート、酸性ジチオリン酸エス
テル等のジチオリン酸エステル化合物、これら酸性ジチ
オリン酸エステルのアルキルアミン完全中和塩あるいは
部分中和塩等のアルキルあるいはアルキル置換または未
置換フェニルジチオリン酸系化合物を挙げることができ
る。これらリン化合物の0有するアルキル基は炭素数1
〜18の直鎖または分岐鎖アルキル基で、その具体例は
メチル、エチル、プロピル、ブチル、ヘキシル、オクチ
ル、ノニル、ヘキサデシル、オクタデシル基等でアル。
である。これらのリン化合物は単独で使用してもよく、
また、2以上を組み合わせて使用してもよい。上記のリ
ン酸エステル系化合物を1種ないし2種以上組合せ、リ
ン分として、基油に対して約0.005重量%以上約0
,5重量係以下、好ましくは約0.02重重量風上約0
.07重量係以下である。配合量が多すぎても効果はそ
れ根土がらずコスト上昇になる。又配合量が少なすぎる
と期待した効果が得られない。
〜12の直鎖又は分岐鎖アルキル基を表わす)で表わさ
れるチアジアゾール誘導体の1種又は2種以上は、配合
量として約0.02重重量%上、好ましくは約0.05
〜0.5重量%を添加するのが良い。上記チアジアゾー
ル誘導体は、例えばU、S、P2719125.271
9126 K開示された製造法により得ることが出来、
好ましいチアジアゾール誘電体は、式(1)中R1およ
びR2が各々炭素原子数1〜12、好ましくは、1〜8
の直鎖又は分岐鎖アルキル基であるもので、特に2,5
−ビス(第3オクチルジチオ)!、3.4−チアジアゾ
ールが好ましい。基R,,R2の具体例はメチル、エチ
ル、プロピル、ブチル、ヘキシル、オクチル基である。
、更に公知の添加剤、例えばアミン等の防食剤、フェノ
ール系等の酸化防止剤、ポリメタクリレート等の粘度指
数向上剤、スルフォネート等の清浄分散剤ならび忙消泡
剤などを含有していテモヨイ。詳しくは防食剤としては
アミン系、アルケニルコハク酸イミド、アルケニルコハ
ク酸エステル等があげられる。酸化防止剤としてはアミ
ン系、フェノール系の酸化防止剤等があげられる。
ィンコポリマー等があげられる。金属型清浄剤としては
アルカリ土類金属スルフォネート、アルカリ土類金属フ
ェネート等があげられる。無灰型分散剤としてはアルケ
ニルコハク酸イミド、アルケニルコハク酸エステル、長
鎖脂肪酸とポリアミンとのアミド(アミノアミド型)等
があげられる。摩擦調整剤としては、脂肪酸、有機モリ
ブデン化合物等があげられる。
れる。これらの添加剤の配合量は、各20重量%穆度以
下、好ましくは各10重量%糧度以下である。
えない程度の少量の添加、すなわち亜鉛量で約0.01
wt%以下であれば当然含んでいてもかまわない。
下、特に、約15wt%以下が好ましい。
化処理などの精製を受けた鉱油ないしは以下に述べる合
成油であって、適当な粘度を有するものでよい。例えば
合成油としてはポリ−α−オレフィン類、ポリブテン類
、ジエステル類、ポリエチレンプロピレン類、ポリグラ
イコール類、ヒンダードエステル類が挙げられるが添加
剤の溶解性を考慮すれば、好ましくは鉱油に類似したポ
リ−α−オレフィン類、ポリブテン類、ポリエチレンプ
ロピレン類がよい。
ーンポンプあるいはギヤーポンプに対する適正粘度、低
温時の流動性を考慮して100Cの粘度が約5〜9セン
チストークス、好ましくは、約7〜8センチストークス
、−200の粘度が約50.000センチボイズ以下、
好ましくは約5,000センチボイズ以下に調合するた
め、通常、xoocの粘度が約3.0〜6.0センチス
トークス、好マシくは約3.0から4.5センチストー
クスの基油を使用し、必要に応じて増粘効果と流動点降
下効果を得るためにポリメタクリレート系の高分子化合
物あるいはポリエチレンプロピレンやポリブテンの高分
子化合物とポリメタクリレート系の高分子化合物が組み
合わされて使用される。
酸系化合物とチアジアゾール誘導体とを含有することに
より、従来のパワーステアリング用作動流体としての他
の諸性能を損うことなく、従来解決出来なかったパワー
シリンダーのピストンのシール材の腐食による損傷が防
止出来、作動液が漏れることなく、パワーステアリング
操作の長期の安定使用を確保することが出来る。
例、比較例で得た組成物の評価は下記の方法で行った。
とその抽出液を用いて金属腐食試験を行う二段階から成
る試験であり、試験後の油中の金属分及び触媒の重量変
化、外観状態を評価する。
間 96h「 ゴム部品 油圧系統に使用されているゴム部品にトリ
ル系ゴム)をはが し、長さ5cr11、巾2側、厚さ0.2備の矩形状に
して試験に供した。
K 2514) 試料油; 300ゴ (抽出試験後の油) 温 度 ; 100C 回転数; 1300 r、p、m 時 間 ;144hr 金属触媒 ; 銅板(75x 180 x 0.8m)
鋼板、鋳鉄板、アルミ板 (各々、12X80X0.8111) 〔ゴム材料劣化試験〕 上記金属腐食試験後の油について、次の条件下で試験し
、試験後、ゴム材料の劣化の有無を調べる。
試験後、油圧装置を分解し、ゴムの状態を調査するとと
もに油中の銅量を分析する。
す。
/分8.4重量係、全酸価0.05IQKO)f15’
のものを用いた。実施例2.3、比較例4におけるトリ
ラウリルフォスフェートはリン分5.1重量係、全酸価
0.05■KOH/Pのものを用いた。実施例4におけ
るトリスノニルフェニルフォスファイトは、リン分7.
4重量係のものを用いた。実施例5におけるトリアルキ
ルチオフォスフェート(アルキル基はC1□/C13=
50150 )はりン分4.8重量係、イオウ分5.
4重合係のものを用いた。実施例6におけるジ(2−エ
チルヘキシル)ジチオフォスフェートは、リン分8,8
重量係、イオウ分17.4重合係のものを用いた。
クチルジチオ)1,3.4−チアジアゾールは、イオウ
分35.8重量係、窒素分6.0重量係である。
る。コハク酸イミド系分散剤は、カーロナイト化学(株
)製で商品名ro L 0A−1200Jを用い九。ポ
リメタクリレート系粘度指数向上剤は、三洋化成工業@
)製で商品名「アクループ516」を用いた。Caスル
フォネートは、Ca分11.5重量%、全塩基価300
■KOH/9−を用い、M?スルフォネートは、M9−
分9.5係、全塩基価400■KOH151’のものを
用いた。さらK、アルキルジフェニルアミンは、窒素分
3.4重量係のバンダービルト社製の商品名「パンルー
プNAJを用い、亜鉛ジアルキルジチオフォスフヱート
はZn量8.8重を係のものを用い、1,2.3−べ/
シトリアゾールは、窒素分22重量係のものを用い、シ
リコン系消泡剤は、信越化学(株)社製、商品名rKF
−964を用いた。
2.5−ビス(第3オクチルジチオ)1゜3.4−チア
ジアゾールとを含有する場合(実施例1〜6)は、銅の
溶出も抑制され、ゴム材料への影響もなく、実車試験に
おいて本全く異常は認められない。ジチオリン酸亜鉛を
含有する系(比較例1〜3)においては、たとえ1,3
.4−チアジアゾールを含有させてあっても(比較例1
)鋼の溶出は多く、ゴム材料の劣化が認められた。
2.3−ベンゾトリアゾール(比較例2.4)は効果が
認められなかった。
圧作動システム用作動流体として作用するのに適当な粘
度等の諸性能を有することがわかる。
Claims (1)
- (1)(イ)アルキルあるいはアルキル置換または未置
換フェニルリン酸系化合物、アルキルあるいはアルキル
置換または未置換フェニルチオリン酸系化合物およびア
ルキルあるいはアルキル置換または未置換フェニルジチ
オリン酸系化合物からなる群から選ばれたものの少なく
とも1種、および(ロ)次式: ▲数式、化学式、表等があります▼ (式中、R_1およびR_2は各々独立して炭素原子数
1〜12の直鎖又は分岐鎖アルキル基を表わす。)で表
わされるチアジアゾール誘導体の1種又は2種以上を含
有することを特徴とするパワーステアリング用作動流体
組成物。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1031628A JPH0699701B2 (ja) | 1989-02-10 | 1989-02-10 | パワーステアリング用作動流体組成物 |
| US07/477,386 US5094763A (en) | 1989-02-10 | 1990-02-09 | Hydraulic fluid composition for power steering containing a phosphorous compound and a thiadiazole derivative |
| CA002009746A CA2009746C (en) | 1989-02-10 | 1990-02-09 | Hydraulic fluid composition for power steering containing a phosphorus compound and a thiadiazole derivative |
| EP90102581A EP0382242B1 (en) | 1989-02-10 | 1990-02-09 | The use of a composition in an hydraulic fluid for power steering |
| DE90102581T DE69004282T2 (de) | 1989-02-10 | 1990-02-09 | Die Verwendung einer Zusammensetzung in einer hydraulischen Flüssigkeit für Servolenkung. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1031628A JPH0699701B2 (ja) | 1989-02-10 | 1989-02-10 | パワーステアリング用作動流体組成物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02212596A true JPH02212596A (ja) | 1990-08-23 |
| JPH0699701B2 JPH0699701B2 (ja) | 1994-12-07 |
Family
ID=12336477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1031628A Expired - Fee Related JPH0699701B2 (ja) | 1989-02-10 | 1989-02-10 | パワーステアリング用作動流体組成物 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5094763A (ja) |
| EP (1) | EP0382242B1 (ja) |
| JP (1) | JPH0699701B2 (ja) |
| CA (1) | CA2009746C (ja) |
| DE (1) | DE69004282T2 (ja) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0834986A (ja) * | 1994-02-11 | 1996-02-06 | Lubrizol Corp:The | 金属を含有せずアミン塩を有する油圧作動液 |
| JP2002105472A (ja) * | 2000-09-22 | 2002-04-10 | Chevron Oronite Co Llc | 作動油 |
| JP2002371291A (ja) * | 2001-06-13 | 2002-12-26 | Nippon Oil Corp | 潤滑油組成物 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5552068A (en) * | 1993-08-27 | 1996-09-03 | Exxon Research And Engineering Company | Lubricant composition containing amine phosphate |
| JPH07197064A (ja) * | 1993-12-30 | 1995-08-01 | Cosmo Oil Co Ltd | パワーステアリングフルード組成物 |
| US6156228A (en) * | 1994-11-16 | 2000-12-05 | Houghton International, Inc. | Trialkoxyalkylphosphate-based fire resistant fluid containing triglyceride |
| US5801130A (en) * | 1995-12-22 | 1998-09-01 | Exxon Research And Engineering Company | High load-carrying turbo oils containing amine phosphate and dimercaptothiadiazole derivatives |
| US5585029A (en) * | 1995-12-22 | 1996-12-17 | Exxon Research And Engineering Company | High load-carrying turbo oils containing amine phosphate and 2-alkylthio-1,3,4-thiadiazole-5-alkanoic acid |
| US5885942A (en) * | 1997-09-23 | 1999-03-23 | Nch Corporation | Multifunctional lubricant additive |
| US6191078B1 (en) | 1999-09-21 | 2001-02-20 | Exxonmobil Research And Engineering Company | Part-synthetic, aviation piston engine lubricant |
| US6207623B1 (en) * | 2000-01-14 | 2001-03-27 | Exxonmobil Research And Engineering Company | Industrial oils of enhanced resistance to oxidation |
| US6362137B1 (en) * | 2000-02-29 | 2002-03-26 | Indian Oil Corporation | Process for preparing a corrosion inhibitor/metal passivator additive for lubricant, grease and fuel applications from waste refinery streams |
| JP4225782B2 (ja) | 2001-02-07 | 2009-02-18 | ザ ルブリゾル コーポレイション | 潤滑油組成物 |
| JP3914759B2 (ja) * | 2001-12-10 | 2007-05-16 | 出光興産株式会社 | 潤滑油組成物 |
| WO2004011578A1 (en) * | 2002-07-25 | 2004-02-05 | Indian Oil Corporation Limited | Corrosion inhibitor/metal passivator additive composition from waste refinery streams |
| US20040259743A1 (en) * | 2003-06-18 | 2004-12-23 | The Lubrizol Corporation, A Corporation Of The State Of Ohio | Lubricating oil composition with antiwear performance |
| US20140038864A1 (en) * | 2012-08-06 | 2014-02-06 | Exxonmobil Research And Engineering Company | Method for improving nitrile seal compatibility with lubricating oils |
| JP6035175B2 (ja) * | 2013-03-15 | 2016-11-30 | 出光興産株式会社 | 潤滑油組成物 |
| US20190085256A1 (en) * | 2017-09-18 | 2019-03-21 | Exxonmobil Research And Engineering Company | Hydraulic oil compositions with improved hydrolytic and thermo-oxidative stability |
| EP4368687B1 (en) | 2022-11-10 | 2025-06-25 | Afton Chemical Corporation | Corrosion inhibitor and industrial lubricant including the same |
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| US4612129A (en) * | 1985-01-31 | 1986-09-16 | The Lubrizol Corporation | Sulfur-containing compositions, and additive concentrates and lubricating oils containing same |
| US4661273A (en) * | 1985-12-30 | 1987-04-28 | Mobil Oil Company | Mercapto-thiadiazole reaction products as multifunctional lubricant additives and compositions thereof |
| AU595358B2 (en) * | 1986-06-13 | 1990-03-29 | Lubrizol Corporation, The | Phosphorus-containing lubricant and functional fluid compositions |
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- 1990-02-09 EP EP90102581A patent/EP0382242B1/en not_active Expired - Lifetime
- 1990-02-09 DE DE90102581T patent/DE69004282T2/de not_active Expired - Fee Related
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| US3879306A (en) * | 1973-11-05 | 1975-04-22 | Texaco Inc | Automatic transmission fluid |
| US4263159A (en) * | 1978-03-24 | 1981-04-21 | Stauffer Chemical Company | Automatic transmission fluid comprising esters derived from a particular monocarboxylic acid composition |
| JPS6049093A (ja) * | 1983-08-30 | 1985-03-18 | Mitsui Petrochem Ind Ltd | エステル系合成潤滑油組成物 |
| JPS6084394A (ja) * | 1983-09-19 | 1985-05-13 | Idemitsu Kosan Co Ltd | 疲労寿命改良潤滑剤 |
| JPS60173097A (ja) * | 1984-02-20 | 1985-09-06 | Idemitsu Kosan Co Ltd | 湿式クラッチ用または湿式ブレーキ用潤滑油組成物 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0834986A (ja) * | 1994-02-11 | 1996-02-06 | Lubrizol Corp:The | 金属を含有せずアミン塩を有する油圧作動液 |
| JP2002105472A (ja) * | 2000-09-22 | 2002-04-10 | Chevron Oronite Co Llc | 作動油 |
| JP2002371291A (ja) * | 2001-06-13 | 2002-12-26 | Nippon Oil Corp | 潤滑油組成物 |
| WO2013137160A1 (ja) * | 2012-03-12 | 2013-09-19 | 出光興産株式会社 | 潤滑油組成物 |
| JPWO2013137160A1 (ja) * | 2012-03-12 | 2015-08-03 | 出光興産株式会社 | 潤滑油組成物 |
| US9410106B2 (en) | 2012-03-12 | 2016-08-09 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition |
| JP2014201737A (ja) * | 2013-04-10 | 2014-10-27 | シーシーアイ株式会社 | 作動液 |
| JP2015025115A (ja) * | 2013-06-19 | 2015-02-05 | コスモ石油ルブリカンツ株式会社 | 油圧作動油組成物 |
| CN111117747A (zh) * | 2020-01-13 | 2020-05-08 | 龙蟠润滑新材料(天津)有限公司 | 集成电驱动总成减速器用润滑油组合物 |
| JP2024108143A (ja) * | 2023-01-30 | 2024-08-09 | アフトン・ケミカル・コーポレーション | 車両のトランスミッションのための潤滑組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2009746C (en) | 1998-01-06 |
| EP0382242A1 (en) | 1990-08-16 |
| CA2009746A1 (en) | 1990-08-10 |
| DE69004282T2 (de) | 1994-04-28 |
| JPH0699701B2 (ja) | 1994-12-07 |
| US5094763A (en) | 1992-03-10 |
| DE69004282D1 (de) | 1993-12-09 |
| EP0382242B1 (en) | 1993-11-03 |
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