JPH0598913A - Roller rocker arm - Google Patents
Roller rocker armInfo
- Publication number
- JPH0598913A JPH0598913A JP3290396A JP29039691A JPH0598913A JP H0598913 A JPH0598913 A JP H0598913A JP 3290396 A JP3290396 A JP 3290396A JP 29039691 A JP29039691 A JP 29039691A JP H0598913 A JPH0598913 A JP H0598913A
- Authority
- JP
- Japan
- Prior art keywords
- rocker arm
- roller
- main body
- arm main
- cylinder head
- 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.)
- Pending
Links
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は内燃機関の動弁機構に用
いられるローラロッカアームに係り、特にローラとロッ
カアーム本体等の接触部分に潤滑油を供給するようにし
たローラロッカアームに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller rocker arm used in a valve operating mechanism of an internal combustion engine, and more particularly to a roller rocker arm adapted to supply lubricating oil to a contact portion between a roller and a rocker arm body.
【０００２】[0002]
【従来の技術】ＯＨＣ式動弁機構にあっては、ロッカア
ーム本体の一端を、ピボット軸により支持し、ロッカア
ーム本体の中央部の上部に接触させた回転カムによりロ
ッカアーム本体を上下に揺動させ、ロッカアーム本体の
他端によりエンジンバルブを開閉するようにしたエンド
ピボット式のものがある。2. Description of the Related Art In an OHC type valve operating mechanism, one end of a rocker arm body is supported by a pivot shaft, and the rocker arm body is swung up and down by a rotating cam that is brought into contact with the upper part of the center of the rocker arm body. There is an end pivot type in which the engine valve is opened and closed by the other end of the rocker arm body.
【０００３】このエンドピボット式の動弁機構はロッカ
アーム本体と回転カムとがすべり接触となっているのが
一般的で、摩擦によるロッカアーム本体と回転カムとの
接触部分の機械的ロスが比較的大きい。In this end-pivot type valve mechanism, the rocker arm body and the rotary cam are generally in sliding contact with each other, and mechanical loss due to friction between the rocker arm body and the rotary cam is relatively large. ..
【０００４】この問題を解決するために、ロッカアーム
本体の略中央部上下方向を向く嵌合孔を設け、この嵌合
孔の中間部を貫通する支軸をもって、支軸周りに転動可
能に複数の針状コロを配設したローラが枢着され、回転
カムとの接触部分をころがり接触とし、回転カムとロー
ラとの接触部分の摩擦による機械的ロスを少なくするよ
うにしたローラロッカアームが提供されている。In order to solve this problem, a fitting hole is formed in the rocker arm main body so that the fitting hole is oriented in the up-down direction of the central portion of the rocker arm body. Provided is a roller rocker arm in which a roller having needle-shaped rollers is pivotally attached, and the contact portion with the rotating cam is in rolling contact to reduce mechanical loss due to friction at the contact portion between the rotating cam and the roller. ing.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記転
がり接触とした回転カムとローラとの接触部分は、長期
間のころがり接触が続けば、やはり摩擦による機械的ロ
スは防ぎえず、さらに複数の針状コロと支軸および針状
コロとロッカアーム本体等の接触部分についても同様に
摩擦による機械的ロスが発生するという問題点がある。However, at the contact portion between the rotary cam and the roller, which is in the above-mentioned rolling contact, if rolling contact continues for a long period of time, mechanical loss due to friction cannot be prevented, and a plurality of needles cannot be prevented. There is also a problem that mechanical loss due to friction similarly occurs at the contact portion between the roller and the support shaft and between the needle roller and the rocker arm body.
【０００６】本発明は上記問題点を解消して、潤滑油を
回転カムとローラおよび上記した他の接触部分に供給す
ることにより、潤滑性を向上させ、摩擦による機械的ロ
スを著しく減少させることができるローラロッカアーム
を提供することを目的とするものである。The present invention solves the above problems and improves the lubricity by supplying the lubricating oil to the rotating cam and the roller and the other contact portions described above, and remarkably reduces the mechanical loss due to friction. It is an object of the present invention to provide a roller rocker arm capable of
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明は、シリンダヘッドに枢支されたロッカアーム
本体の一部に、回転カムと接触して回転するようにした
ローラを枢着し、かつロッカアーム本体の他部により、
エンジンバルブの軸端を押動するようにしたローラロッ
カアームにおいて、前記ロッカアーム本体に、シリンダ
ヘッド側におけるロッカアーム本体の枢支部分に設けた
給油口に対向するように一端が開口し、かつ他端がロー
ラの枢着部分に開口するようにした油路を設けたことを
特徴とし、さらに、シリンダヘッドに枢支されたロッカ
アーム本体の一部に、回転カムと接触して回転するよう
にしたローラを枢着し、かつロッカアーム本体の他部に
より、エンジンバルブの軸端を押動するようにしたロッ
カアームにおいて、前記ロッカアーム本体に、シリンダ
ヘッド側におけるロッカアーム本体の枢支部分に設けた
給油口に対向するように一端が開口し、かつ他端がロッ
カアーム本体とのローラとの接触部分に開口するように
した油路を設けたことおよびローラに、その枢着部分か
ら外周面に至る第２流出孔を設けたことを特徴としたも
のである。In order to achieve the above object, the present invention pivotally attaches a roller adapted to rotate in contact with a rotary cam to a part of a rocker arm body pivotally supported by a cylinder head. , And the other part of the rocker arm body,
In a roller rocker arm configured to push the shaft end of an engine valve, one end of the rocker arm main body is opened so that the rocker arm main body faces the oil supply port provided in the pivotal support portion of the rocker arm main body on the cylinder head side, and the other end is An oil passage is provided so as to open at the pivotally connected portion of the roller, and further, a roller adapted to rotate in contact with the rotating cam is provided at a part of the rocker arm body pivotally supported by the cylinder head. In a rocker arm that is pivotally attached and pushes the shaft end of the engine valve by the other part of the rocker arm body, the rocker arm body faces the oil supply port provided in the pivotally supporting portion of the rocker arm body on the cylinder head side. An oil passage is provided so that one end is opened and the other end is opened at the contact portion between the rocker arm body and the roller. Doo and roller, in which characterized in that a second outlet hole leading to the outer peripheral surface from the hinged portion.
【０００８】[0008]
【作用】シリンダヘッド側の給油口からロッカアーム本
体に設けられた油路に導入された潤滑油がローラの枢着
部分に供給されると、ローラとロッカアーム本体との接
触部分の潤滑性が向上し、摩擦による機械的ロスが減少
する。[Function] When the lubricating oil introduced into the oil passage provided in the rocker arm body from the oil supply port on the cylinder head side is supplied to the pivotally attached portion of the roller, the lubricity of the contact portion between the roller and the rocker arm body is improved. , Mechanical loss due to friction is reduced.
【０００９】[0009]
【実施例】次に本発明の第１実施例を図面を参照して説
明する。図１〜図３は本発明のローラロッカアーム(Ｒ)
を備えるエンドピボット(スイングアーム)式の動弁機構
の概略を示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to the drawings. 1 to 3 show the roller rocker arm (R) of the present invention.
1 shows an outline of an end-pivot (swing arm) type valve operating mechanism provided with.
【００１０】図中(１)はロッカアーム本体であり、この
ロッカアーム本体(１)の一端は、シリンダヘッド(２)に
組込まれた公知の油圧式バルブラッシュアジャスタ(３)
におけるピボット軸(3a)上端の球面部(3b)の上方より嵌
合することによって枢支されている。同じく他端は、１
対のコッタ(４)、スプリングリテーナ(５)、およびバル
ブスプリング(６)等の各部材によりシリンダヘッド(２)
に組付けらエンジンバルブ(７)のステム端に当接されて
いる。In the figure, (1) is a rocker arm main body, and one end of the rocker arm main body (1) is a known hydraulic valve lash adjuster (3) incorporated in a cylinder head (2).
It is pivotally supported by fitting from above the spherical portion (3b) at the upper end of the pivot shaft (3a). Similarly, the other end is 1
Cylinder head (2) by each member such as paired cotter (4), spring retainer (5), and valve spring (6)
It is abutted on the stem end of the engine valve (7) mounted on the.
【００１１】ピボット軸(3a)の球面部(3b)の頂部には、
ロッカアーム本体(１)側から見ると給油孔をなす油流出
口(3c)が設けられている。すなわち、バルブラッシュア
ジャスタ(３)内において、弁間隙の調整のため用いられ
た潤滑油を、油流出口(3c)より洩出させるようにしてあ
る。At the top of the spherical portion (3b) of the pivot shaft (3a),
When viewed from the rocker arm body (1) side, an oil outlet (3c) forming an oil supply hole is provided. That is, in the valve lash adjuster (3), the lubricating oil used for adjusting the valve clearance is made to leak from the oil outlet (3c).
【００１２】(８)は、ロッカアーム本体(１)中央部に長
手方向に沿って上下に貫通形成された長方形状の嵌合孔
である。この嵌合孔(８)内には、ローラ(11)が、その上
端をロッカアーム本体(１)の上端面より若干突出させ
て、かつロッカアーム本体(１)の両側壁部(1a)により両
端部が支持された支軸(９)とその支軸(９)のまわりに転
動可能に配設された複数の針状コロ(10)とをもって枢着
されている。Reference numeral (8) is a rectangular fitting hole formed vertically through the central portion of the rocker arm body (1) along the longitudinal direction. Inside the fitting hole (8), the roller (11) has its upper end slightly projected from the upper end surface of the rocker arm body (1) and both end portions by the side wall portions (1a) of the rocker arm body (1). Is supported by a supporting shaft (9) and a plurality of needle rollers (10) rotatably arranged around the supporting shaft (9).
【００１３】(12)は支軸(９)の長手方向に沿ってその中
心に設けられた中空部である。ローラ(11)は、その上方
に設けられた回転カム(13)と接触し、回転カム(13)がロ
ーラ(11)を回転させながら押動することにより、ロッカ
アーム本体(１)はピボット軸(3a)を支点として上下に揺
動し、エンジンバルブを(７)を開閉させる。Reference numeral (12) is a hollow portion provided at the center of the support shaft (9) along the longitudinal direction thereof. The roller (11) comes into contact with the rotating cam (13) provided above the roller (11), and the rotating cam (13) pushes the roller (11) while rotating the roller (11), so that the rocker arm body (1) moves the pivot shaft (1). It swings up and down with 3a) as a fulcrum to open / close the engine valve (7).
【００１４】支軸(９)の外周面には、潤滑油(Ａ)を拡散
させるための第１環状溝(14)が切設されている。この第
１環状溝(14)と中空部(12)とを連通させる第１流出口(1
5)を支軸(９)に設けてある。そして中空部(12)に導入さ
れた潤滑油(Ａ)を、前記第１流出孔(15)を介して支軸
(９)の外部へと流出させ、針状コロ(10)と支軸(９)、ロ
ーラ(11)および側板(1a)との接触部分に潤滑油(Ａ)を供
給する構成としてある。さらに、ローラ(11)の内周面に
は前記第１環状溝(14)に対向して、第２環状溝(16)が切
設され、この第２環状溝(16)からは潤滑油(Ａ)をローラ
(11)の外周面へ流出させる第２流出孔(17)が半径方向に
向かって設けてある。A first annular groove (14) for diffusing the lubricating oil (A) is cut on the outer peripheral surface of the support shaft (9). The first outlet (1) for communicating the first annular groove (14) with the hollow portion (12).
5) is provided on the support shaft (9). Then, the lubricating oil (A) introduced into the hollow portion (12) is passed through the first outflow hole (15) to support the spindle.
The lubricating oil (A) is made to flow to the outside of (9), and the lubricating oil (A) is supplied to the contact portions of the needle roller (10) with the support shaft (9), the roller (11) and the side plate (1a). Further, a second annular groove (16) is cut on the inner peripheral surface of the roller (11) so as to face the first annular groove (14), and the lubricating oil ( A) to roller
The 2nd outflow hole (17) which makes it flow out to the outer peripheral surface of (11) is provided toward the radial direction.
【００１５】ロッカアーム本体(１)には、一端が給油口
である油流出口(3c)に対向して開口し、他端が支軸(９)
の両端部外周に穿設された半径方向を向く連通路(19)と
連通するように開口する給油孔(18)が設けられている。
したがって、この給油孔(18)に導入された潤滑油(Ａ)が
連通孔(19)、中空部(12)、第１流出孔(15)及び第１環状
溝(14)を介して、ローラ(11)の枢着部分である針状コロ
(10)まで供給され、さらにそこから第２環状溝(16)及び
第２流出孔(17)を介して、ローラ(11)と回転カム(13)と
の接触部分に供給されるようになっている。One end of the rocker arm body (1) is opened so as to face the oil outlet (3c) which is the oil supply port, and the other end is the support shaft (9).
Is provided with an oil supply hole (18) opened so as to communicate with a communication passage (19) formed in the outer periphery of the both ends and facing in the radial direction.
Therefore, the lubricating oil (A) introduced into the oil supply hole (18) passes through the communication hole (19), the hollow portion (12), the first outflow hole (15) and the first annular groove (14), and then the roller. Needle-like roller that is the pivotal part of (11)
(10), and then from there through the second annular groove (16) and the second outflow hole (17) to the contact portion between the roller (11) and the rotating cam (13). ing.
【００１６】上記の構成としたことにより、給油孔(18)
に供給された潤滑油(Ａ)が中空部(12)へ連通孔(19)を介
して導入されると、ロッカアーム本体(１)の上下の揺動
により、中空部(12)内の潤滑油(Ａ)は支軸(９)に穿設さ
れた第１流出孔(15)から第１環状溝(14)を介してローラ
(11)の内部へ流入する。With the above structure, the oil supply hole (18)
When the lubricating oil (A) supplied to the hollow portion (12) is introduced into the hollow portion (12) through the communication hole (19), the rocker arm body (1) swings up and down to cause the lubricating oil in the hollow portion (12) to move. (A) is a roller from the first outflow hole (15) formed in the support shaft (9) through the first annular groove (14)
It flows into the inside of (11).
【００１７】したがって針状コロ(10)と支軸(９)、ロー
ラ(11)および側板(1a)との接触部分に潤滑油(Ａ)が供給
されるので、潤滑性が向上し、摩擦による機械的ロスを
著しく減少させることができる。さらに、このローラ(1
1)の内部に貯溜されている潤滑油(Ａ)がローラ(11)の内
周面に切設された第２環状溝(16)および第２流出孔(17)
を経て、ローラ(11)の外周面へ流出させられ、ローラ(1
1)と回転カム(13)との接触部分へ潤滑油(Ａ)が供給され
るので、潤滑性が向上し、摩擦による機械的ロスを著し
く減少させることができる。Therefore, since the lubricating oil (A) is supplied to the contact portions of the needle roller (10) with the support shaft (9), the roller (11) and the side plate (1a), the lubricity is improved and the friction Mechanical loss can be significantly reduced. In addition, this roller (1
Lubricating oil (A) stored in the inside of (1) is cut in the inner peripheral surface of the roller (11) to form a second annular groove (16) and a second outflow hole (17).
Through the roller (11) to the outer peripheral surface of the roller (11).
Since the lubricating oil (A) is supplied to the contact portion between 1) and the rotating cam (13), the lubricity is improved and the mechanical loss due to friction can be significantly reduced.
【００１８】なお、第１実施例においては、給油孔(18)
と連通孔(19)と支軸(９)の中空部(12)と第１流出孔(15)
と第１環状溝(14)とにより、潤滑油(Ａ)をローラ(11)の
枢着部分まで導く油路が形成されている。In the first embodiment, the oil supply hole (18)
And the communication hole (19), the hollow portion (12) of the support shaft (9), and the first outflow hole (15)
The first annular groove (14) and the first annular groove (14) form an oil passage that guides the lubricating oil (A) to the pivotally connected portion of the roller (11).
【００１９】次に図４に示す第２実施例につき説明す
る。なお第１実施例における同一の部材には同一の符号
を付して詳細な説明は省略するものとする。Next, a second embodiment shown in FIG. 4 will be described. The same members in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.
【００２０】(20)は芯部が充実した回転ローラであり、
この回転ローラ(20)は支軸(９)をもってロッカアーム本
体(１)に枢着されている。この実施例においては、給油
孔(18)の他端である開口(18a)を、直接支軸(９)を軸承
する平軸受部(21)に臨ませて潤滑油(Ａ)を供給するよう
にしたもので、接触部分の摩擦による機械的ロスを減少
させることができる。次に図５に示す第３実施例につき
説明する。なお第２実施例における同一の部材には同一
の符号を付して詳細な説明は省略する。(20) is a rotating roller having a solid core,
The rotating roller (20) is pivotally attached to the rocker arm body (1) by a support shaft (9). In this embodiment, the opening (18a) which is the other end of the oil supply hole (18) faces the flat bearing (21) directly bearing the support shaft (9) to supply the lubricating oil (A). The mechanical loss due to friction at the contact portion can be reduced. Next, a third embodiment shown in FIG. 5 will be described. The same members in the second embodiment are designated by the same reference numerals and detailed description thereof will be omitted.
【００２１】この第３実施例においては、給油孔(18)の
開口(18a)をローラ(20)の側端面とロッカアーム本体
(１)の側壁部(1a)の内面との接触部分に臨ませ、直接ロ
ーラ(20)とロッカアーム本体(１)との接触部分に潤滑油
(Ａ)を供給するようにしてある。この結果接触部分の摩
擦による機械的ロスを減少させることができる。In the third embodiment, the opening (18a) of the oil supply hole (18) is connected to the side end surface of the roller (20) and the rocker arm body.
Face the contact part of the side wall (1a) of (1) with the inner surface, and directly lubricate the contact part of the roller (20) with the rocker arm body (1).
(A) is supplied. As a result, it is possible to reduce mechanical loss due to friction of the contact portion.
【００２２】なお、第２、第３実施例で示した給油孔(1
8)を同時に形成してもよい。また、バルブラッシュアジ
ャスタ(３)を用いずに、ロッカアーム本体(１)をシリン
ダヘッド(２)に枢着する場合は、その枢着部分に給油口
(3c)が開口するように、シリンダヘッド(２)内に給油孔
(18)を設けておけばよい。The oil supply hole (1) shown in the second and third embodiments is used.
8) may be formed at the same time. Also, when the rocker arm body (1) is pivotally attached to the cylinder head (2) without using the valve lash adjuster (3), the oil supply port is attached to the pivot attachment portion.
Fill the oil supply hole in the cylinder head (2) so that (3c) opens.
(18) should be provided.
【００２３】[0023]
【発明の効果】本発明は下記の効果を奏する。 (ａ) シリンダヘッド側の油流出孔から油路に導入され
た潤滑油が漸次ローラの枢着部分に供給されるので、ロ
ーラが円滑に回転し、摩擦による機械的ロスが著しく減
少する。 (ｂ) 機械的ロスの減少によって部品の寿命を向上させ
ることができる。The present invention has the following effects. (a) Since the lubricating oil introduced into the oil passage from the oil outflow hole on the cylinder head side is gradually supplied to the pivotally connected portion of the roller, the roller smoothly rotates and the mechanical loss due to friction is significantly reduced. (b) The life of parts can be improved by reducing mechanical loss.
【図１】本発明の第１実施例を示す一部切欠正面図であ
る。FIG. 1 is a partially cutaway front view showing a first embodiment of the present invention.
【図２】図１におけるＡ−Ａ線に沿う平面図である。FIG. 2 is a plan view taken along the line AA in FIG.
【図３】図１におけるＢ−Ｂ線に沿う縦断面図である。3 is a vertical cross-sectional view taken along the line BB in FIG.
【図４】本発明の第２実施例を示す要部横断平面図であ
る。FIG. 4 is a cross-sectional plan view of essential parts showing a second embodiment of the present invention.
【図５】本発明の第３実施例を示す要部横断平面図であ
る。FIG. 5 is a cross-sectional plan view of essential parts showing a third embodiment of the present invention.
(１)ロッカアーム本体 (1a)側壁部 (２)シリンダヘッド (３)バルブラッシュ
アジャスタ (3a)ピボット軸 (3b)球面部 (3c)油流出口(給油口) (４)コッタ (５)スプリングリテーナ (６)バルブスプリン
グ (７)エンジンバルブ (８)嵌合孔 (９)支軸 (10)針状コロ (11)ローラ (12)中空部 (13)回転カム (14)第１環状溝 (15)第１流出孔 (16)第２環状溝 (17)第２流出孔 (18)給油孔 (18a)開口 (19)連通孔 (20)ローラ (21)軸受部 (Ａ)潤滑油 (Ｒ)ローラロッカア
ーム(1) Rocker arm body (1a) Side wall part (2) Cylinder head (3) Valve lash adjuster (3a) Pivot shaft (3b) Spherical part (3c) Oil outlet (oil filler port) (4) Cotter (5) Spring retainer (6) Valve spring (7) Engine valve (8) Fitting hole (9) Support shaft (10) Needle roller (11) Roller (12) Hollow part (13) Rotating cam (14) First annular groove (15) ) 1st outflow hole (16) 2nd annular groove (17) 2nd outflow hole (18) Oil supply hole (18a) opening (19) Communication hole (20) Roller (21) Bearing part (A) Lubricating oil (R) Laura Rocker Arm
Claims (3)
ム本体の一部に、回転カムと接触して回転するようにし
たローラを枢着し、かつロッカアーム本体の他部によ
り、エンジンバルブの軸端を押動するようにしたローラ
ロッカアームにおいて、 前記ロッカアーム本体に、シリンダヘッド側におけるロ
ッカアーム本体の枢支部分に設けた給油口に対向するよ
うに一端が開口し、かつ他端がローラの枢着部分に開口
するようにした油路を設けたことを特徴とするローラロ
ッカアーム。1. A rocker arm body pivotally supported by a cylinder head is pivotally mounted with a roller adapted to rotate in contact with a rotary cam, and the other end of the rocker arm body secures a shaft end of an engine valve. In the roller rocker arm adapted to be pushed, one end is opened in the rocker arm main body so as to face a fuel supply port provided in a pivotally supported portion of the rocker arm main body on the cylinder head side, and the other end is a pivotally mounted portion of the roller. A roller rocker arm characterized by having an oil passage opened.
ム本体の一部に、回転カムと接触して回転するようにし
たローラを枢着し、かつロッカアーム本体の他部によ
り、エンジンバルブの軸端を押動するようにしたロッカ
アームにおいて、 前記ロッカアーム本体に、シリンダ
ヘッド側におけるロッカアーム本体の枢支部分に設けた
給油口に対向するように一端が開口し、かつ他端がロッ
カアーム本体とローラとの接触部分に開口するようにし
た油路を設けたことを特徴とするローラロッカアーム。2. A roller adapted to rotate in contact with a rotary cam is pivotally attached to a part of a rocker arm main body pivotally supported by a cylinder head, and the other end of the rocker arm main body serves to fix an axial end of an engine valve. In the rocker arm adapted to be pushed, one end is opened in the rocker arm main body so as to face a fueling port provided in a pivotally supporting portion of the rocker arm main body on the cylinder head side, and the other end is in contact with the rocker arm main body and the roller. A roller rocker arm characterized by having an oil passage opened in a part thereof.
る第２流出孔を設けたことを特徴とする請求項１記載の
ローラロッカアーム。3. The roller rocker arm according to claim 1, wherein the roller is provided with a second outflow hole extending from the pivotally attached portion to the outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3290396A JPH0598913A (en) | 1991-10-11 | 1991-10-11 | Roller rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3290396A JPH0598913A (en) | 1991-10-11 | 1991-10-11 | Roller rocker arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0598913A true JPH0598913A (en) | 1993-04-20 |
Family
ID=17755473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3290396A Pending JPH0598913A (en) | 1991-10-11 | 1991-10-11 | Roller rocker arm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0598913A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19749079A1 (en) * | 1997-11-06 | 1999-05-12 | Schaeffler Waelzlager Ohg | Cam follower for valve gear of internal combustion engine |
| JP2008175146A (en) * | 2007-01-18 | 2008-07-31 | Otics Corp | Variable valve mechanism and rush adjuster used by it |
| JP2008192835A (en) * | 2007-02-05 | 2008-08-21 | Tokyo Electron Ltd | Film formation method, substrate processing equipment and semiconductor device |
| JP2008232078A (en) * | 2007-03-22 | 2008-10-02 | Otics Corp | Variable valve mechanism |
| JP2008261321A (en) * | 2007-04-13 | 2008-10-30 | Otics Corp | Variable valve train |
| JP2008267248A (en) * | 2007-04-19 | 2008-11-06 | Otics Corp | Valve train |
| JP2009504961A (en) * | 2005-08-08 | 2009-02-05 | メタ モトーレン− ウント エネルギー−テクニック ゲーエムベーハー | Switching valve drive mechanism |
| JP2009185753A (en) * | 2008-02-08 | 2009-08-20 | Otics Corp | Variable valve train |
| US20120048221A1 (en) * | 2010-08-31 | 2012-03-01 | Kia Motors Corporation | Variable valve actuator |
| DE102022130053A1 (en) | 2022-11-14 | 2024-05-16 | Schaeffler Technologies AG & Co. KG | Lever arrangement |
-
1991
- 1991-10-11 JP JP3290396A patent/JPH0598913A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19749079B4 (en) * | 1997-11-06 | 2007-12-20 | Schaeffler Kg | Cam follower of a valve train of an internal combustion engine |
| DE19749079A1 (en) * | 1997-11-06 | 1999-05-12 | Schaeffler Waelzlager Ohg | Cam follower for valve gear of internal combustion engine |
| JP2009504961A (en) * | 2005-08-08 | 2009-02-05 | メタ モトーレン− ウント エネルギー−テクニック ゲーエムベーハー | Switching valve drive mechanism |
| JP2008175146A (en) * | 2007-01-18 | 2008-07-31 | Otics Corp | Variable valve mechanism and rush adjuster used by it |
| JP2008192835A (en) * | 2007-02-05 | 2008-08-21 | Tokyo Electron Ltd | Film formation method, substrate processing equipment and semiconductor device |
| US7942119B2 (en) | 2007-03-22 | 2011-05-17 | Otics Corporation | Variable valve mechanism |
| JP2008232078A (en) * | 2007-03-22 | 2008-10-02 | Otics Corp | Variable valve mechanism |
| JP2008261321A (en) * | 2007-04-13 | 2008-10-30 | Otics Corp | Variable valve train |
| JP4711999B2 (en) * | 2007-04-13 | 2011-06-29 | 株式会社オティックス | Variable valve mechanism |
| JP2008267248A (en) * | 2007-04-19 | 2008-11-06 | Otics Corp | Valve train |
| JP2009185753A (en) * | 2008-02-08 | 2009-08-20 | Otics Corp | Variable valve train |
| US20120048221A1 (en) * | 2010-08-31 | 2012-03-01 | Kia Motors Corporation | Variable valve actuator |
| DE102022130053A1 (en) | 2022-11-14 | 2024-05-16 | Schaeffler Technologies AG & Co. KG | Lever arrangement |
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