JP4497896B2 - Transmission lubrication structure - Google Patents
Transmission lubrication structure Download PDFInfo
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- JP4497896B2 JP4497896B2 JP2003381908A JP2003381908A JP4497896B2 JP 4497896 B2 JP4497896 B2 JP 4497896B2 JP 2003381908 A JP2003381908 A JP 2003381908A JP 2003381908 A JP2003381908 A JP 2003381908A JP 4497896 B2 JP4497896 B2 JP 4497896B2
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- lubricating oil
- transmission
- baffle plate
- lubricating
- damming
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- 230000005540 biological transmission Effects 0.000 title claims description 26
- 238000005461 lubrication Methods 0.000 title claims description 13
- 239000010687 lubricating oil Substances 0.000 claims description 86
- 239000003921 oil Substances 0.000 claims description 15
- 230000001050 lubricating effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
Description
本発明は主として自動車の変速機の潤滑構造に関する。 The present invention mainly relates to a lubricating structure for an automobile transmission.
従来、急発進時に変速用歯車に対して十分に潤滑油が供給されるトランスミッションの潤滑構造として、車両発進時の慣性力によって後方へ移動しようとする潤滑油を堰き止めるための反射壁部と、堰き止められた潤滑油が変速用歯車の歯面に供給されるように該反射壁部から歯面に向けて所定の角度θで傾斜して延在する供給壁部とから形成される反射構造壁を有するものが提供されている（特許文献１参照）。 Conventionally, as a transmission lubrication structure in which lubricating oil is sufficiently supplied to the gear for gear shifting at the time of sudden start, a reflection wall portion for damming the lubricating oil that is going to move backward by inertia force at the time of vehicle start, A reflection structure formed from a supply wall portion that is inclined and inclined at a predetermined angle θ from the reflection wall portion toward the tooth surface so that the blocked lubricating oil is supplied to the tooth surface of the transmission gear. What has a wall is provided (refer patent document 1).
一般に、変速機のケーシング内の潤滑油は回転する歯車によって攪拌されているので、潤滑油を後側に移動させる力が加えられている場合には、反射構造壁より前側の潤滑油が歯車の攪拌力によって該反射構造壁を超えて後側に移動する量に対して、反射構造壁より後側の潤滑油が該反射構造壁を乗り越えて前側に移動する量は少なく、そのため、反射構造壁によって堰き止められ該反射構造壁より前側に蓄えられていた潤滑油は、歯車の攪拌力によって該反射構造壁を超えて徐々に後側に移動することとなる。
したがって上記従来の構成では、長時間にわたって潤滑油を後側に移動させる力が加えられる場合、例えば自動車が登坂走行を長時間行なう場合には、反射構造壁より前側に蓄えられていた潤滑油のほとんどが、歯車の攪拌力によって該反射構造壁を超えて後側に移動してしまい、反射構造壁より前側の歯車の潤滑不良が発生するおそれがあるという問題があった。
Generally, since the lubricating oil in the casing of the transmission is agitated by a rotating gear, when a force for moving the lubricating oil to the rear side is applied, the lubricating oil on the front side of the reflecting structure wall is Compared to the amount that moves behind the reflecting structure wall to the rear side by the stirring force, the amount of the lubricating oil on the rear side from the reflecting structure wall moves over the reflecting structure wall and moves to the front side. The lubricating oil that has been dammed up and stored on the front side of the reflecting structure wall gradually moves to the rear side beyond the reflecting structure wall by the stirring force of the gears.
Therefore, in the above-described conventional configuration, when a force that moves the lubricating oil to the rear side for a long time is applied, for example, when an automobile runs on an uphill for a long time, the lubricating oil stored on the front side of the reflecting structure wall is reduced. Most of the gears move to the rear side beyond the reflecting structure wall due to the stirring force of the gears, and there is a problem in that poor lubrication of the gears on the front side of the reflecting structure wall may occur.
本発明は上記従来の課題を解決するための手段として、変速機(1) の複数個の歯車(7) を潤滑油によって潤滑する変速機(1) の潤滑構造であって、前記変速機(1) のケーシング(2) 下部に設置されたバッフルプレート(3) と、前記潤滑油の少なくとも一部が前記変速機(1) のケーシング(2) 内において後側に移動するのを堰き止める潤滑油堰き止め部材(5) と、該潤滑油を該潤滑油堰き止め部材(5) より前側に供給する潤滑油供給手段と、前記ケーシング(2) の内周面に前後方向に沿って凸設されたガイドリブ(11)と、を有し、前記潤滑油供給手段は、前記ケーシング(2) の内周面を伝って流下する前記潤滑油を前記ガイドリブ(11)によって受止して前記ガイドリブ(11)と前記バッフルプレート(3) の側縁面とによって前記潤滑油堰き止め部材(5) より前側へガイドするものである変速機(1) の潤滑構造を提供するものである。
上記潤滑油堰き止め部材は、該バッフルプレート(3) の前部に立設された潤滑油堰止め板(5) であることが望ましい。
また、該潤滑油堰止め板(5) より前部において該バッフルプレート(3) には切欠部(8) が設けられており、前記潤滑油供給手段によってガイドされた潤滑油を該バッフルプレート(3) の切欠部(8) を介して該潤滑油堰止め板(5) より前側に供給するものであることが望ましい。
更に、該潤滑油堰止め板(4,5) は前後一対に立設されており、該前後一対の潤滑油堰止め板(4,5) と前記バッフルプレート(3) とにより油溜り部(6) が画設されていることが望ましい。
また更に、該切欠部(8) は、該前後一対の潤滑油堰止め板(4,5) の間において設けられており、前記潤滑油供給手段によってガイドされた潤滑油を該バッフルプレート(3) の切欠部(8) を介して該油溜り部(6) に供給することが望ましい。
The present invention provides a lubricating structure for a transmission (1) in which a plurality of gears (7) of a transmission (1) are lubricated with lubricating oil as means for solving the above-described conventional problems. a casing (2) baffle plate installed in the bottom (3) of 1), lubricating at least a portion of the lubricating oil is dammed from moving rearward in the casing (2) of the transmission (1) an oil dam member (5), the lubricating oil along a direction after pre-the inner circumferential surface of the lubricating oil supply means for supplying to the front than said lubricating oil dam member (5), the casing (2) convex includes a set has been guide ribs (11), the said lubricating oil supply means, the said lubricating oil flows down along the inner peripheral surface of the casing (2) and the receiving by the guide ribs (11) guide ribs (11) and the side edge surface of the baffle plate (3) are guided forward from the lubricating oil damming member (5) . The present invention provides a lubricating structure for the transmission (1).
The lubricating oil damming member is preferably a lubricating oil damming plate (5) erected in front of the baffle plate (3).
Further, a notch (8) is provided in the baffle plate (3) in front of the lubricating oil damming plate (5), and the lubricating oil guided by the lubricating oil supply means is supplied to the baffle plate ( It is desirable that the oil is supplied to the front side of the lubricating oil damming plate (5) through the notch (8) of 3).
Further, the lubricating oil damming plates (4, 5) are erected in a pair of front and rear, and an oil reservoir (4) is formed by the pair of front and rear lubricating oil damming plates (4, 5) and the baffle plate (3). 6) is desirable.
Furthermore, the notch (8) is provided between the pair of front and rear lubricating oil weir plates (4, 5), and the lubricating oil guided by the lubricating oil supply means is supplied to the baffle plate (3 ) Is preferably supplied to the oil reservoir (6) through the notch (8).
本発明の変速機(1) の潤滑構造では、長時間にわたって潤滑油を後側に移動させる力が加えられる場合であっても、潤滑油堰き止め部材(5) によって後側に移動しようとする潤滑油の少なくとも一部を堰き止めることが出来るとともに、潤滑油を潤滑油供給手段によって該潤滑油堰き止め部材(5) より前側に供給することが出来るので、該潤滑油堰き止め部材(5) より前側で潤滑油がなくなることがなく、該潤滑油堰き止め部材(5) より前側の歯車(7) の潤滑不良の発生を防止することが可能となる。 In the lubricating structure of the transmission (1) of the present invention, even when a force for moving the lubricating oil to the rear side is applied for a long time, the lubricating oil damming member (5) tries to move the rear side to the rear side. Since at least a part of the lubricating oil can be dammed and the lubricating oil can be supplied to the front side of the lubricating oil damming member (5) by the lubricating oil supply means, the lubricating oil damming member (5) Lubricating oil is not lost further on the front side, and it is possible to prevent occurrence of poor lubrication of the gear (7) on the front side of the lubricating oil damming member (5).
本発明を図１〜図４に示す一実施例によって説明する。
変速機(1) のケーシング(2) の下部には、バッフルプレート(3) が設置されており、図１に示すように、該バッフルプレート(3) の前部には、潤滑油堰き止め部材である断面Ｌ字形状の前後一対の潤滑油堰止め板(4,5) が立設されており、かくして該前後一対の潤滑油堰止め板(4,5) の間には油溜り部(6) が画設されている。
The present invention will be described with reference to an embodiment shown in FIGS.
A baffle plate (3) is installed at the bottom of the casing (2) of the transmission (1). As shown in FIG. 1, a lubricating oil damming member is disposed at the front of the baffle plate (3). A pair of front and rear lubricating oil damming plates (4, 5) having an L-shaped cross section is erected, and thus an oil reservoir (4, 5) is disposed between the front and rear lubricating oil damming plates (4, 5). 6) is provided.
図２に示すように、該油溜り部(6) は、潤滑を必要とする部材である前側の歯車(7) の下方に設けられており、該油溜り部(6) の位置は、該前側の歯車(7) の前後位置と略同じになるように設定されている。また、該油溜り部(6) の側部において、すなわち該前後一対の潤滑油堰止め板(4,5) の間において該バッフルプレート(3) の側端部にはコの字状の切欠部(8) が設けられている。 As shown in FIG. 2, the oil reservoir (6) is provided below the front gear (7) which is a member requiring lubrication, and the position of the oil reservoir (6) is The front and rear positions of the front gear (7) are set to be substantially the same. Further, a U-shaped notch is formed at the side of the oil reservoir (6), that is, between the pair of front and rear lubricating oil weir plates (4, 5) at the side end of the baffle plate (3). Part (8) is provided.
更に、該バッフルプレート(3) の前端部には、該バッフルプレート(3) をケーシング(2) に取付け固定するための溶接ボルト(9) が設けられており、また、該バッフルプレート(3) の後端部には、該バッフルプレート(3) をケーシング(2) に取付け固定するためのボルト（図示せず）を挿通するためのボルト挿通孔(10)が複数個設けられている（図１および図２参照）。 Furthermore, a welding bolt (9) for mounting and fixing the baffle plate (3) to the casing (2) is provided at the front end of the baffle plate (3), and the baffle plate (3) The rear end portion is provided with a plurality of bolt insertion holes (10) for inserting bolts (not shown) for attaching and fixing the baffle plate (3) to the casing (2) (see FIG. 1 and FIG. 2).
一方、該バッフルプレート(3) が取付けられるケーシング(2) の内周面には、図３および図４に示すように、前後方向に沿ってガイドリブ(11)が凸設されており、該ガイドリブ(11)の高さ位置は、該バッフルプレート(3) の切欠部(8) の下端部の高さと略同じ位置になるように設定されている。 On the other hand, on the inner peripheral surface of the casing (2) to which the baffle plate (3) is attached, as shown in FIGS. 3 and 4, a guide rib (11) is projected along the front-rear direction. The height position of (11) is set to be substantially the same as the height of the lower end of the notch (8) of the baffle plate (3).
上記のような構造を有する変速機(1) では、潤滑油供給手段によって後側の潤滑油堰止め板(5) より前側に潤滑油が供給される。すなわち、回転する前側の歯車(7) によって攪拌された潤滑油は、ケーシング(2) の内周面を伝って流下し、該ケーシング(2) の内周面のガイドリブ(11)によって受止される。そして、該ガイドリブ(11)に受止された潤滑油の一部は、該ガイドリブ(11)と前記バッフルプレート(3) の側縁面とによって前側にガイドされ、バッフルプレート(3) の側端部の切欠部(8) を介して油溜り部(6) に供給される（図３および図４参照）。 In the transmission (1) having the above-described structure, the lubricating oil is supplied to the front side from the rear lubricating oil weir plate (5) by the lubricating oil supply means. That is, the lubricating oil stirred by the rotating front gear (7) flows down along the inner peripheral surface of the casing (2) and is received by the guide rib (11) on the inner peripheral surface of the casing (2). The Then, a part of the lubricating oil received by the guide rib (11) is guided to the front side by the guide rib (11) and the side edge surface of the baffle plate (3), and the side end of the baffle plate (3) The oil is supplied to the oil reservoir (6) through the notch (8) (see FIGS. 3 and 4).
このように、後側の堰止め板(5) によって後側に移動しようとする潤滑油の少なくとも一部を堰き止めることが出来るとともに、回転する前側の歯車(7) によって攪拌されケーシング(2) の内周面を伝って流下する潤滑油をガイドリブ(11)によって受止して前側へガイドし、該潤滑油をバッフルプレート(3) の切欠部(8) を介して後側の堰止め板(5) より前側、すなわち油溜り部(6) に供給することが出来るので、長時間にわたって潤滑油を後側に移動させる力が加えられる場合、例えば、例えば自動車が登坂走行を長時間行なう場合であっても、後側の堰止め板(5) より前側で潤滑油がなくなることがなく、後側の堰止め板(5) より前側の歯車(7) 、すなわち油溜り部(6) と同じ前後位置にある前側の歯車(7) の潤滑不良の発生を防止することが出来る。 In this way, at least a part of the lubricating oil to be moved to the rear side can be dammed by the rear damming plate (5), and the casing (2) is agitated by the rotating front gear (7). The lubricating oil flowing down along the inner peripheral surface of the pipe is received by the guide rib (11) and guided to the front side, and the lubricating oil is guided through the notch (8) of the baffle plate (3) to the rear dam plate. (5) Since it can be supplied to the front side, that is, the oil sump (6), when a force to move the lubricating oil to the rear side for a long time is applied, for example, when a car runs uphill for a long time Even so, there is no loss of lubricating oil in front of the rear weir plate (5), and the gear (7) in front of the rear weir plate (5), that is, the oil reservoir (6) It is possible to prevent the occurrence of poor lubrication of the front gear (7) at the same longitudinal position.
以上、本発明の実施の形態を実施例により説明したが、本発明の範囲はこれらに限定されるものではなく、請求項に記載された範囲内において目的に応じて変更・変形することが可能である。
例えば、本実施例以外、潤滑油堰き止め部材(5) は、潤滑油の少なくとも一部が後側に移動するのを堰き止めることができる部材であれば、必ずしも板状のものでなくてもよく、ある程度の容積を有する容積部材であってもよい。
また、本実施例以外、潤滑油堰止め板(5) は、潤滑油の少なくとも一部が後側に移動するのを堰き止めることができるものであれば、一枚の潤滑油堰止め板（図示せず）であってもよく、また、三枚以上の潤滑油堰止め板（図示せず）であってもよい。
更に、本実施例以外、バッフルプレート(3) に切欠部(8) を設けることなく、ケーシング(2) の内周面に凸設するガイドリブ(11)の高さ位置を、該バッフルプレート(3) の側端部の高さと略同じ位置に設定することによって、該ガイドリブ(11)に受止された潤滑油の一部を潤滑油堰き止め部材(5) より前側に供給してもよい。
また更に、本実施例以外、ケーシング(2) の内周面に前後方向に沿ってガイド溝（図示せず）を凹設し、該ケーシング(2) の内周面を伝って流下する潤滑油を該ガイド溝内に溜めて前側にガイドし、該ガイドされた潤滑油をバッフルプレート(3) の切欠部(8) を介して潤滑油堰き止め部材(5) より前側に供給してもよい。
The embodiments of the present invention have been described above by way of examples. However, the scope of the present invention is not limited to these embodiments, and can be changed or modified in accordance with the purpose within the scope of the claims. It is.
For example, except for this embodiment, the lubricating oil blocking member (5) is not necessarily a plate-shaped member as long as it can block at least a part of the lubricating oil from moving to the rear side. It may be a volume member having a certain volume.
In addition to this embodiment, the lubricating oil damming plate (5) may be a single lubricating oil damming plate (5) as long as it can block at least a part of the lubricating oil from moving to the rear side. (Not shown), or three or more lubricating oil damming plates (not shown).
Further, except for this embodiment, the baffle plate (3) is not provided with a notch (8), and the height of the guide rib (11) projecting from the inner peripheral surface of the casing (2) is adjusted to the baffle plate (3 ), A part of the lubricating oil received by the guide rib (11) may be supplied to the front side from the lubricating oil blocking member (5).
Further, other than the present embodiment, a guide groove (not shown) is formed in the inner peripheral surface of the casing (2) along the front-rear direction so as to flow down along the inner peripheral surface of the casing (2). In the guide groove and guided to the front side, and the guided lubricating oil may be supplied to the front side from the lubricating oil damming member (5) through the notch (8) of the baffle plate (3). .
本発明は、長時間にわたって潤滑油を後側に移動させる力が加えられる場合でも、歯車の潤滑不良の発生を防止することが出来る変速機の潤滑構造として、産業上利用することが出来る。 INDUSTRIAL APPLICABILITY The present invention can be industrially utilized as a transmission lubrication structure that can prevent the occurrence of poor lubrication of gears even when a force that moves the lubricating oil to the rear side is applied for a long time.
1 変速機
2 ケーシング
3 バッフルプレート
4 潤滑油堰き止め部材（前側の潤滑油堰止め板）
5 潤滑油堰き止め部材（後側の潤滑油堰止め板）
6 油溜り部
8 切欠部
11 ガイドリブ
1 Transmission
2 Casing
3 Baffle plate
4 Lubricating oil blocking member (front lubricating oil blocking plate)
5 Lubricating oil blocking member (rear lubricating oil blocking plate)
6 Oil reservoir
8 Notch
11 Guide rib
Claims (5)
前記変速機のケーシング下部に設置されたバッフルプレートと、
前記潤滑油の少なくとも一部が前記変速機のケーシング内において後側に移動するのを堰き止める潤滑油堰き止め部材と、
該潤滑油を該潤滑油堰き止め部材より前側に供給する潤滑油供給手段と、
前記ケーシングの内周面に前後方向に沿って凸設されたガイドリブと、
を有し、
前記潤滑油供給手段は、前記ケーシングの内周面を伝って流下する前記潤滑油を前記ガイドリブによって受止して前記ガイドリブと前記バッフルプレートの側縁面とによって前記潤滑油堰き止め部材より前側へガイドするものである
ことを特徴とする変速機の潤滑構造。 A lubricating structure for a transmission that lubricates a plurality of gears of a transmission with lubricating oil,
A baffle plate disposed in the casing lower portion of the transmission,
A lubricating oil damming member that dams at least a portion of the lubricating oil from moving backward in the casing of the transmission ;
Lubricating oil supply means for supplying the lubricating oil to the front side of the lubricating oil damming member ;
A guide rib which is convex set along a direction after pre an inner circumferential surface of the casing,
Have
Said lubricating oil supply means, said lubricating oil flowing down along the inner peripheral surface of the casing guide rib catch to the front from the lubricant dam member by the side edge surface of the baffle plate and the guide ribs by A transmission lubrication structure characterized by being a guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003381908A JP4497896B2 (en) | 2003-11-12 | 2003-11-12 | Transmission lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003381908A JP4497896B2 (en) | 2003-11-12 | 2003-11-12 | Transmission lubrication structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005147183A JP2005147183A (en) | 2005-06-09 |
| JP4497896B2 true JP4497896B2 (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003381908A Expired - Lifetime JP4497896B2 (en) | 2003-11-12 | 2003-11-12 | Transmission lubrication structure |
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| JP (1) | JP4497896B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9435421B2 (en) | 2012-07-24 | 2016-09-06 | Honda Motor Co., Ltd. | Baffle plate and transmission provided with the same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8122787B2 (en) * | 2009-03-20 | 2012-02-28 | GM Global Technology Operations LLC | Transmission gear train baffle |
| JP2013194891A (en) * | 2012-03-22 | 2013-09-30 | Honda Motor Co Ltd | Lubricating device of power transmission mechanism |
| DE102016207452A1 (en) * | 2016-04-29 | 2017-11-02 | Zf Friedrichshafen Ag | Lubricant shell and gear equipped therewith |
| DE102018218946A1 (en) * | 2018-11-07 | 2020-05-07 | Zf Friedrichshafen Ag | Partial covering of a drive unit by means of a thin-walled shielding element, the ends of which are fixed in a gearbox housing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220257U (en) * | 1985-07-22 | 1987-02-06 | ||
| JPH04140550A (en) * | 1990-09-29 | 1992-05-14 | Mazda Motor Corp | Lubricating structure for transmission gear |
| JPH0680050U (en) * | 1993-04-26 | 1994-11-08 | 日産ディーゼル工業株式会社 | Lubrication device for transmission |
| JP2002070993A (en) * | 2000-09-01 | 2002-03-08 | Nissan Diesel Motor Co Ltd | Transmission |
| JP2002098222A (en) * | 2000-09-21 | 2002-04-05 | Nissan Diesel Motor Co Ltd | Oil supplying mechanism of transmission and manufacturing method for transmission case |
-
2003
- 2003-11-12 JP JP2003381908A patent/JP4497896B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220257U (en) * | 1985-07-22 | 1987-02-06 | ||
| JPH04140550A (en) * | 1990-09-29 | 1992-05-14 | Mazda Motor Corp | Lubricating structure for transmission gear |
| JPH0680050U (en) * | 1993-04-26 | 1994-11-08 | 日産ディーゼル工業株式会社 | Lubrication device for transmission |
| JP2002070993A (en) * | 2000-09-01 | 2002-03-08 | Nissan Diesel Motor Co Ltd | Transmission |
| JP2002098222A (en) * | 2000-09-21 | 2002-04-05 | Nissan Diesel Motor Co Ltd | Oil supplying mechanism of transmission and manufacturing method for transmission case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9435421B2 (en) | 2012-07-24 | 2016-09-06 | Honda Motor Co., Ltd. | Baffle plate and transmission provided with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005147183A (en) | 2005-06-09 |
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