JPH0479902U - - Google Patents
Info
- Publication number
- JPH0479902U JPH0479902U JP12239590U JP12239590U JPH0479902U JP H0479902 U JPH0479902 U JP H0479902U JP 12239590 U JP12239590 U JP 12239590U JP 12239590 U JP12239590 U JP 12239590U JP H0479902 U JPH0479902 U JP H0479902U
- Authority
- JP
- Japan
- Prior art keywords
- tappet
- intake
- combustion engine
- internal combustion
- exhaust valves
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 6
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１，２，３及び４図は本考案に係る第１，２
，３及び４実施例を示す動弁装置の部分断面図、
第５図はインナーシム式タペツトを用いた従来の
内燃機関の動弁装置を示す断面図、第６図はアウ
ターシム式タペツトを用いた従来の内燃機関の動
弁装置を示す断面図である。
１……吸・排気弁、９……カム、３０，３５，
５０，５５……シム、３１，３２ａ，４１，５２
ａ，６１……基準面、３３，４６……凸部、３６
，４２……凹部、４０，４５，６０，６５……タ
ペツト。
Figures 1, 2, 3 and 4 are the first and second figures according to the present invention.
, a partial sectional view of a valve train showing embodiments 3 and 4;
FIG. 5 is a sectional view showing a conventional valve operating system for an internal combustion engine using an inner shim type tappet, and FIG. 6 is a sectional view showing a conventional valve operating system for an internal combustion engine using an outer shim type tappet. 1... Intake/exhaust valve, 9... Cam, 30, 35,
50, 55...Sim, 31, 32a, 41, 52
a, 61... Reference surface, 33, 46... Convex portion, 36
, 42... recess, 40, 45, 60, 65... tappet.
Claims (1)
介して吸・排気弁の頂部に設けられたタペツトに
運動を与えることにより、吸・排気弁が開閉駆動
される内燃機関の動弁装置において、 カムに接する面が一様に形成されると共に、タ
ペツトに相対する面の外周部にタペツト頂部と接
触する基準面が配設され、中央部にタペツト頂部
に軸方向に隙間を有して遊嵌される凹凸部が形成
されるシムを含んで構成したことを特徴とする内
燃機関の動弁装置。 (2) クランク軸により駆動されるカムがシムを
介して吸・排気弁の頂部に設けられたタペツトに
運動を与えることにより、吸・排気弁が開閉駆動
される内燃機関の動弁装置において、 カムに接する面が一様に形成されると共に、タ
ペツトに相対する面の中央部にタペツト頂部と接
触する基準面が配設され、外周部にタペツト頂部
に軸方向に隙間を有して遊嵌される凹凸部が形成
されるシムを含んで構成したことを特徴とする内
燃機関の動弁装置。[Claims for Utility Model Registration] (1) The intake and exhaust valves are driven to open and close by applying motion to the tappets provided at the top of the intake and exhaust valves via shims by a cam driven by the crankshaft. In a valve train for an internal combustion engine, the surface in contact with the cam is formed uniformly, a reference surface that contacts the top of the tappet is provided on the outer periphery of the surface facing the tappet, and a reference surface that contacts the top of the tappet in the central part is formed. 1. A valve train for an internal combustion engine, comprising a shim having a concavo-convex portion that is loosely fitted with a gap between the shims. (2) In a valve train for an internal combustion engine, the intake and exhaust valves are opened and closed by a cam driven by the crankshaft applying motion to a tappet provided at the top of the intake and exhaust valves via a shim. The surface in contact with the cam is formed uniformly, and a reference surface that contacts the top of the tappet is provided at the center of the surface facing the tappet. 1. A valve train for an internal combustion engine, comprising a shim in which a concavo-convex portion is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12239590U JPH0479902U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12239590U JPH0479902U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479902U true JPH0479902U (en) | 1992-07-13 |
Family
ID=31870178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12239590U Pending JPH0479902U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479902U (en) |
-
1990
- 1990-11-26 JP JP12239590U patent/JPH0479902U/ja active Pending
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