JPH0699701B2 - 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
- JPH0699701B2 JPH0699701B2 JP1031628A JP3162889A JPH0699701B2 JP H0699701 B2 JPH0699701 B2 JP H0699701B2 JP 1031628 A JP1031628 A JP 1031628A JP 3162889 A JP3162889 A JP 3162889A JP H0699701 B2 JPH0699701 B2 JP H0699701B2
- Authority
- JP
- Japan
- Prior art keywords
- alkyl
- working fluid
- power steering
- examples
- substituted
- 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.)
- Expired - Fee Related
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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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- 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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- 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
- 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
-
- 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
- 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
-
- 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
- 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
-
- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
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によりコントロ
ールバルプ、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%程度であったが、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
ョンフルード(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ポ
ンプで80〜105kg/cm2G、油温60〜120℃の範囲で循環使
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。すなわちこれらの性能を満足させるため、選定され
た基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60〜100℃に達する。)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
銅及び銅メッキ部分の銅の溶解を生じる。一般にはニト
リルゴムを使用した場合、銅がニトリル基と反応し、錯
体を生成し、油圧系内のゴム(ニトリルゴム)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による液もれ、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。こ
れら銅の溶解の第1の原因としては添加されているジチ
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。
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金属塩
以外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: (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、ならびに
(ハ)鉱油およびシリコーン以外の合成油からなる群か
ら選ばれた基油の少なくとも1種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。
または未置換フェニルリン酸系化合物としては亜リン酸
エステル、フォスフォン酸エステル、正リン酸エステ
ル、ピロリン酸エステル、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ある。
またアルキル置換フェニル基のアルキル基も上記と同様
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
%以下、好ましくは約0.02重量%以上約0.07重量%以下
である。配合量が多すぎても効果はそれ程上がらずコス
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。
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重量%以上、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、2719126に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
(I)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)1,3,4−チアジア
ゾールが好ましい。基R1、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。
は、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に消
泡剤などを含有していてもよい。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。粘
度指数向上剤としては、ポリメタクリレート、オレフィ
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%程度以
下、好ましくは各10重量%程度以下である。
えない程度の少量の添加、すなわち亜鉛量で約0.01wt%
以下であれば当然含んでいてもかまわない。
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100℃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、
−20℃の粘度が約50,000センチポイズ以下、好ましくは
約5,000センチポイズ以下に調合するため、通常、100℃
の粘度が約3.0〜6.0センチストークス、好ましくは約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。
ル系ゴム)をはがし、長さ5cm、巾2cm、厚さ0.2cmの矩
形状にして試験に供した。
ミ板 (各々、12×80×0.8mm) 〔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。
ン分8.4重量%、全酸価0.05mgKOH/g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%、全酸価0.05mgKOH/g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%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C12/C13=50/50)はリン分4.8重量%、イオウ分5.4重
量%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
%、イオウ分17.4重量%のものを用いた。
チルジチオ)1,3,4−チアジアゾールは、イオウ分35.8
重量%、窒素分6.0重量%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「OLOA−1200」を用いた。ポリメタク
リレート系粘度指数向上剤は、三洋化成工業(株)製で
商品名「アクルーブ516」を用いた。Caスルフォネート
は、Ca分11.5重量%、全塩基価300mgKOH/gを用い、Mgス
ルフォネートは、Mg分9.5%、全塩基価400mgKOH/gのも
のを用いた。さらに、アルキルジフェニルアミンは、窒
素分3.4重量%のパンダーピルト社製の商品名「バンル
ーブNA」を用い、亜鉛ジアルキルジチオフォスフェート
はZn量8.8重量%のものを用い、1,2,3−ペンゾトリアゾ
ールは、窒素分22重量%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「KF−96」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、実車試験においても
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)銅の溶出は
多く、ゴム材料の劣化が認められた。
3−ペンゾトリアゾール(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)
- 【請求項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
よび金属塩以外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: (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、 ならびに (ハ)鉱油およびシリコーン以外の合成油からなる群か
ら選ばれた基油の少なくとも1種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 |
| 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. |
| 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 |
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 JPH02212596A (ja) | 1990-08-23 |
| JPH0699701B2 true 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) |
Families Citing this family (25)
| 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 |
| DE69519690T2 (de) * | 1994-02-11 | 2001-06-28 | The Lubrizol Corp., Wickliffe | Metallfreie hydraulische Flüssigkeit mit Amin-Salz |
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| 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 |
| US6399548B1 (en) * | 2000-09-22 | 2002-06-04 | Chevron Oronite Company Llc | Functional fluids |
| 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 |
| JP4993821B2 (ja) * | 2001-06-13 | 2012-08-08 | Jx日鉱日石エネルギー株式会社 | 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 |
| US7396802B2 (en) * | 2002-07-25 | 2008-07-08 | 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 |
| US9410106B2 (en) | 2012-03-12 | 2016-08-09 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition |
| 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 |
| JP6158567B2 (ja) * | 2013-04-10 | 2017-07-05 | シーシーアイ株式会社 | 作動液 |
| JP6261080B2 (ja) * | 2013-06-19 | 2018-01-17 | コスモ石油ルブリカンツ株式会社 | 油圧作動油組成物 |
| US20190085256A1 (en) * | 2017-09-18 | 2019-03-21 | Exxonmobil Research And Engineering Company | Hydraulic oil compositions with improved hydrolytic and thermo-oxidative stability |
| 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 |
| EP4368687B1 (en) | 2022-11-10 | 2025-06-25 | Afton Chemical Corporation | Corrosion inhibitor and industrial lubricant including the same |
| JP7769733B2 (ja) * | 2023-01-30 | 2025-11-13 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516128B2 (ja) * | 1973-04-11 | 1976-02-25 | ||
| US3879306A (en) * | 1973-11-05 | 1975-04-22 | Texaco Inc | Automatic transmission fluid |
| US3923669A (en) * | 1974-10-31 | 1975-12-02 | Sun Oil Co Pennsylvania | Antiwear hydraulic oil |
| US3980573A (en) * | 1975-07-24 | 1976-09-14 | Mobil Oil Corporation | Substituted dimercapto thiadiazoles and lubricant compositions containing same |
| GB1506917A (en) * | 1975-09-30 | 1978-04-12 | Shell Int Research | Dithiophosphate ester derivatives and their use for stabilizing organic material |
| US4263159A (en) * | 1978-03-24 | 1981-04-21 | Stauffer Chemical Company | Automatic transmission fluid comprising esters derived from a particular monocarboxylic acid composition |
| JPS59157188A (ja) * | 1983-02-25 | 1984-09-06 | Toyota Motor Corp | ブレ−キ液組成物 |
| 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 |
| JPH0246635B2 (ja) * | 1984-02-20 | 1990-10-16 | Idemitsu Kosan Co | Shitsushikikuratsuchomatahashitsushikibureekyojunkatsuyusoseibutsu |
| JPS6155199A (ja) * | 1984-08-27 | 1986-03-19 | Shin Etsu Chem Co Ltd | 油圧作動流体 |
| 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 |
| EP0309481B1 (en) * | 1986-06-13 | 1994-03-16 | The Lubrizol Corporation | Phosphorus-containing lubricant and functional fluid compositions |
| JP2599383B2 (ja) * | 1987-04-11 | 1997-04-09 | 出光興産 株式会社 | 潤滑油組成物 |
| US5078893A (en) * | 1988-06-24 | 1992-01-07 | Exxon Chemical Patents Inc. | Synergistic combination of additives useful in power transmitting compositions |
-
1989
- 1989-02-10 JP JP1031628A patent/JPH0699701B2/ja not_active Expired - Fee Related
-
1990
- 1990-02-09 CA CA002009746A patent/CA2009746C/en not_active Expired - Lifetime
- 1990-02-09 EP EP90102581A patent/EP0382242B1/en not_active Expired - Lifetime
- 1990-02-09 US US07/477,386 patent/US5094763A/en not_active Expired - Lifetime
- 1990-02-09 DE DE90102581T patent/DE69004282T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69004282D1 (de) | 1993-12-09 |
| EP0382242B1 (en) | 1993-11-03 |
| DE69004282T2 (de) | 1994-04-28 |
| EP0382242A1 (en) | 1990-08-16 |
| JPH02212596A (ja) | 1990-08-23 |
| US5094763A (en) | 1992-03-10 |
| CA2009746C (en) | 1998-01-06 |
| CA2009746A1 (en) | 1990-08-10 |
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