JPH03114503U - - Google Patents
Info
- Publication number
- JPH03114503U JPH03114503U JP2331790U JP2331790U JPH03114503U JP H03114503 U JPH03114503 U JP H03114503U JP 2331790 U JP2331790 U JP 2331790U JP 2331790 U JP2331790 U JP 2331790U JP H03114503 U JPH03114503 U JP H03114503U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- intake
- exhaust valves
- engine
- cams
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
Description
第１図、第２図は本考案の実施例を示す動力伝
達系の構成図とカムシヤフトの配置図、第３図、
第４図は弁駆動系とバネ機構の断面図、第５図は
カムシヤフトのトルク特性図、第６図、第７図は
従来の構成図と特性図である。
１２，１３……カムシヤフト、１６，１７，２
０……タイミングベルト、２５……吸気弁、２６
……排気弁、２９，３０……カム、３５，３６…
…バランスカム、３７，３８……バネ機構、４４
，４５……スプリング。
Figures 1 and 2 are a configuration diagram of a power transmission system and a layout diagram of a camshaft showing an embodiment of the present invention; Figure 3;
FIG. 4 is a sectional view of the valve drive system and spring mechanism, FIG. 5 is a torque characteristic diagram of the camshaft, and FIGS. 6 and 7 are conventional configuration diagrams and characteristic diagrams. 12, 13...camshaft, 16, 17, 2
0...Timing belt, 25...Intake valve, 26
...Exhaust valve, 29,30...Cam, 35,36...
... Balance cam, 37, 38 ... Spring mechanism, 44
, 45...Spring.
Claims (1)
転するカムシヤフトを介して開閉駆動するように
した動弁装置において、カムシヤフトに吸、排気
弁を駆動するカムのほかに複数のバランスカムを
形成し、バランスカムを介して吸、排気弁のリフ
トと逆位相でカムシヤフトに所定の反力を加える
バネ機構を設けたことを特徴とするエンジンの動
弁装置。 In a valve train that opens and closes the intake and exhaust valves of an engine via a camshaft that rotates in synchronization with the engine rotation, the camshaft has multiple balance cams in addition to the cams that drive the intake and exhaust valves. A valve operating device for an engine, characterized in that a spring mechanism is provided that applies a predetermined reaction force to a camshaft in a phase opposite to the lift of the intake and exhaust valves via a cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331790U JPH03114503U (en) | 1990-03-08 | 1990-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2331790U JPH03114503U (en) | 1990-03-08 | 1990-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03114503U true JPH03114503U (en) | 1991-11-25 |
Family
ID=31526307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2331790U Pending JPH03114503U (en) | 1990-03-08 | 1990-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03114503U (en) |
-
1990
- 1990-03-08 JP JP2331790U patent/JPH03114503U/ja active Pending
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