JPH0342001U - - Google Patents
Info
- Publication number
- JPH0342001U JPH0342001U JP10169689U JP10169689U JPH0342001U JP H0342001 U JPH0342001 U JP H0342001U JP 10169689 U JP10169689 U JP 10169689U JP 10169689 U JP10169689 U JP 10169689U JP H0342001 U JPH0342001 U JP H0342001U
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- valve
- valve lifter
- shim
- cam
- 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 2
Description
第１図は本考案による内燃機関の動弁装置を示
す断面図、第２図は第１図の−断面図、第３
図は従来の動弁装置を示す断面図である。
３……バルブ、５……バルブリフタバケツト、
５ａ……球面状凸部、６……カム軸、７……３次
元カム、７ａ……傾斜面、８……バケツトシム、
８ａ……球面状凹部、８ｂ……カム接触面。
Fig. 1 is a cross-sectional view showing a valve train for an internal combustion engine according to the present invention, Fig. 2 is a - sectional view of Fig. 1;
The figure is a sectional view showing a conventional valve train. 3...Valve, 5...Valve lifter bucket,
5a... Spherical convex portion, 6... Cam shaft, 7... Three-dimensional cam, 7a... Inclined surface, 8... Bucket toshim,
8a... Spherical recess, 8b... Cam contact surface.
Claims (1)
元カムと、バルブのバルブステム上端部に取付け
られたバルブリフタバケツトとからなる動弁機構
において、 上記バルブリフタバケツトの上面に球面状凸部
を形成し、 上記バルブリフタバケツト上面の球面状凸部と
上記３次元カムとの間に、バケツトシムを介在さ
せ、 上記バケツトシムを截頭円錐状または円板状に
形成し、 上記バケツトシムのバルブリフタバケツトに当
接する面を、上記バルブリフタバケツト上面の球
面状凸部を対応する球面状凹部で形成したことを
特徴とする内燃機関の動弁装置。[Scope of Claim for Utility Model Registration] In a valve train mechanism comprising a three-dimensional cam having an inclined surface formed in the direction of the cam axis of the cam, and a valve lifter bucket attached to the upper end of the valve stem of the valve, the above-mentioned valve lifter bucket A spherical convex portion is formed on the upper surface of the valve lifter bucket, and a bucket shim is interposed between the spherical convex portion on the upper surface of the valve lifter bucket and the three-dimensional cam, and the bucket shim is formed in a truncated cone shape or a disk shape. A valve operating system for an internal combustion engine, wherein the surface of the bucket shim that comes into contact with the valve lifter bucket is formed by a spherical concave portion corresponding to the spherical convex portion on the upper surface of the valve lifter bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169689U JPH0342001U (en) | 1989-08-30 | 1989-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169689U JPH0342001U (en) | 1989-08-30 | 1989-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342001U true JPH0342001U (en) | 1991-04-22 |
Family
ID=31650632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10169689U Pending JPH0342001U (en) | 1989-08-30 | 1989-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0777039A1 (en) | 1995-11-29 | 1997-06-04 | Toyota Jidosha Kabushiki Kaisha | Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve |
| JP2016534271A (en) * | 2013-10-16 | 2016-11-04 | フリーバルブ・アクチボラグ | Combustion engine and mantle assembly therefor |
-
1989
- 1989-08-30 JP JP10169689U patent/JPH0342001U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0777039A1 (en) | 1995-11-29 | 1997-06-04 | Toyota Jidosha Kabushiki Kaisha | Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve |
| JP2016534271A (en) * | 2013-10-16 | 2016-11-04 | フリーバルブ・アクチボラグ | Combustion engine and mantle assembly therefor |