JPS60131604U - Engine valve train tappet - Google Patents
Engine valve train tappetInfo
- Publication number
- JPS60131604U JPS60131604U JP1925884U JP1925884U JPS60131604U JP S60131604 U JPS60131604 U JP S60131604U JP 1925884 U JP1925884 U JP 1925884U JP 1925884 U JP1925884 U JP 1925884U JP S60131604 U JPS60131604 U JP S60131604U
- Authority
- JP
- Japan
- Prior art keywords
- tappet
- engine valve
- valve train
- cam
- sliding surface
- 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)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- ing And Chemical Polishing (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図はこの考案に係る動弁系用タペットとカムとの摺
接状態を示す縦断正面図、第2図は同平面図、第3図は
カムのチル層を示す説明用の側面図、第4図はタペット
摺動面の外周部と中央部との境界を示す平面図、第5図
はカムの摩耗量を示す実験データ図、第6A図はオイル
保持凹部の他の実施例を示す平面図、第6B図はオイル
保持凹部のさらに他の実施例を示す平面図、第7A図お
よび第7B図はタペットの外周部にカムのノーズが摺接
している状態を示す説明図、第7C図はタペットの中央
部にカムのノーズが摺接している状態を示す説明図であ
る。
1・・・・・・カム、2・・・・・・タペット、2A・
・・・・・摺動面、2a・・・・・・外周部、6・・・
・・・オイル保持凹部。FIG. 1 is a longitudinal sectional front view showing the state of sliding contact between the valve train tappet and the cam according to this invention, FIG. 2 is a plan view of the same, and FIG. 3 is an explanatory side view showing the chill layer of the cam. Figure 4 is a plan view showing the boundary between the outer periphery and the center of the tappet sliding surface, Figure 5 is an experimental data diagram showing the amount of cam wear, and Figure 6A is another example of the oil retaining recess. A plan view, FIG. 6B is a plan view showing still another embodiment of the oil holding recess, FIGS. 7A and 7B are explanatory views showing a state in which the nose of the cam is in sliding contact with the outer periphery of the tappet, and FIG. 7C The figure is an explanatory view showing a state in which the nose of the cam is in sliding contact with the center portion of the tappet. 1...Cam, 2...Tappet, 2A.
...Sliding surface, 2a...Outer periphery, 6...
...Oil holding recess.
Claims (1)
ンジンの動弁系用タペットにおいて、上記摺動面の外周
部全域のみに、フォトエツチングで分散して形成した多
数のオイル保持凹部を設けたことを特徴とするエンジン
の動弁系用タペット。In a tappet for an engine valve system made of steel whose sliding surface that slides against the cam has been surface-hardened, a large number of oil-holding recesses are dispersed and formed by photoetching only on the entire outer periphery of the sliding surface. A tappet for an engine valve train system, characterized by being provided with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1925884U JPS60131604U (en) | 1984-02-13 | 1984-02-13 | Engine valve train tappet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1925884U JPS60131604U (en) | 1984-02-13 | 1984-02-13 | Engine valve train tappet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60131604U true JPS60131604U (en) | 1985-09-03 |
Family
ID=30508666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1925884U Pending JPS60131604U (en) | 1984-02-13 | 1984-02-13 | Engine valve train tappet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60131604U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013124571A (en) * | 2011-12-14 | 2013-06-24 | Mitsubishi Heavy Ind Ltd | Processing method of sliding surface and camshaft |
-
1984
- 1984-02-13 JP JP1925884U patent/JPS60131604U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013124571A (en) * | 2011-12-14 | 2013-06-24 | Mitsubishi Heavy Ind Ltd | Processing method of sliding surface and camshaft |
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