JPH0191007U - - Google Patents
Info
- Publication number
- JPH0191007U JPH0191007U JP18666787U JP18666787U JPH0191007U JP H0191007 U JPH0191007 U JP H0191007U JP 18666787 U JP18666787 U JP 18666787U JP 18666787 U JP18666787 U JP 18666787U JP H0191007 U JPH0191007 U JP H0191007U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- valve cam
- engine
- slidable
- intake
- 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)
- Valve Device For Special Equipments (AREA)
Description
第１図乃至第３図は本考案の一実施例に係り、
第１図は正回転時を表す４サイクルエンジンの断
面平面図、第２図は第１図のＡ部拡大図、第３図
は逆回転時を表す４サイクルエンジンの部分平面
図である。
９……カムシヤフト、９ｃ，９ｄ……正転用バ
ルブカム、９ｅ，９ｆ……逆転用バルブカム、１
５，１６……バルブタペツト。
1 to 3 relate to an embodiment of the present invention,
FIG. 1 is a cross-sectional plan view of the four-cycle engine when rotating in the forward direction, FIG. 2 is an enlarged view of section A in FIG. 1, and FIG. 3 is a partial plan view of the four-cycle engine when rotating in the reverse direction. 9...Camshaft, 9c, 9d...Valve cam for forward rotation, 9e, 9f...Valve cam for reverse rotation, 1
5, 16... Valve tappet.
Claims (1)
ヤフトに、バルブタペツトが摺接する吸気用及び
排気用の正転用バルブカムが設けられていると共
に、この正転用バルブカムに隣接して、位相の異
なる吸気用及び排気用の逆転用バルブカムが設け
られ、更に上記カムシヤフトが、所定距離摺動可
能に構成されていることを特徴とする４サイクル
エンジン。 A camshaft rotatably supported on the outer wall of the engine is provided with a forward rotation valve cam for intake and exhaust, on which a valve tappet slides. A four-cycle engine, characterized in that a reversing valve cam is provided, and the camshaft is configured to be slidable a predetermined distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18666787U JPH0191007U (en) | 1987-12-07 | 1987-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18666787U JPH0191007U (en) | 1987-12-07 | 1987-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191007U true JPH0191007U (en) | 1989-06-15 |
Family
ID=31477881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18666787U Pending JPH0191007U (en) | 1987-12-07 | 1987-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016203687A1 (en) * | 2015-06-15 | 2016-12-22 | ヤマハ発動機株式会社 | Engine system and vehicle |
| WO2018021399A1 (en) * | 2016-07-29 | 2018-02-01 | ヤマハ発動機株式会社 | Engine system and straddle-type vehicle |
-
1987
- 1987-12-07 JP JP18666787U patent/JPH0191007U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016203687A1 (en) * | 2015-06-15 | 2016-12-22 | ヤマハ発動機株式会社 | Engine system and vehicle |
| WO2018021399A1 (en) * | 2016-07-29 | 2018-02-01 | ヤマハ発動機株式会社 | Engine system and straddle-type vehicle |