JPS61162518U - - Google Patents
Info
- Publication number
- JPS61162518U JPS61162518U JP1985046084U JP4608485U JPS61162518U JP S61162518 U JPS61162518 U JP S61162518U JP 1985046084 U JP1985046084 U JP 1985046084U JP 4608485 U JP4608485 U JP 4608485U JP S61162518 U JPS61162518 U JP S61162518U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- weight
- camshaft
- centrifugal force
- lever
- 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
- 230000006837 decompression Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
- F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図乃至第４図は本考案の一実施例に係り、
第１図はエンジンのカムシヤフト部分の断面図、
第２図は第１図のＡ―Ａ線断面図、第３図および
第４図は第１図のＡ―Ａ線断面図で第３図はエン
ジン始動時の動作説明図、第４図はエンジンの通
常回転時の動作説明図である。
１……カムシヤフト、２……タペツト、３……
カム、４……カムギヤ、６……ウエイトカム、７
……フライウエイト部、１１……減圧カム部、１
３……係止部、１４……ウエイトレバー、１５…
…軸部、１６……カウンタウエイト部、１７……
係合部、１９……スプリング。
1 to 4 relate to an embodiment of the present invention,
Figure 1 is a cross-sectional view of the camshaft part of the engine.
Figure 2 is a sectional view taken along the line AA in Figure 1, Figures 3 and 4 are sectional views taken along the line AA in Figure 1, Figure 3 is an explanatory diagram of the operation at engine startup, and Figure 4 is FIG. 3 is an explanatory diagram of the operation of the engine during normal rotation. 1...camshaft, 2...tapet, 3...
Cam, 4...Cam gear, 6...Weight cam, 7
...Fly weight part, 11...Decompression cam part, 1
3...Locking part, 14...Weight lever, 15...
...Shaft part, 16...Counterweight part, 17...
Engagement part, 19... spring.
Claims (1)
イトカムを、該カムシヤフトの軸芯方向にスライ
ド自在に設けるとともに、このウエイトカムに該
ウエイトカムのスライドにより前記カム面から突
没する減圧カム部を一体に設ける一方、遠心力が
増大するときに前記ウエイトカムに形成した係止
部から外れ、減少するときに係入する係合部を設
けたウエイトレバーをカムギヤ端面に枢支したこ
とを特徴とするエンジンのデコンプ装置。 A weight cam having a flyweight portion provided on the camshaft is provided to be slidable in the axial direction of the camshaft, and a pressure reducing cam portion that protrudes and retracts from the cam surface as the weight cam slides is integrally provided on the weight cam. An engine decompression engine, characterized in that a weight lever is pivotally supported on an end face of a cam gear, and the weight lever is provided with an engaging portion that disengages from a locking portion formed on the weight cam when the centrifugal force increases and engages when the centrifugal force decreases. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985046084U JPS61162518U (en) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985046084U JPS61162518U (en) | 1985-03-29 | 1985-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61162518U true JPS61162518U (en) | 1986-10-08 |
Family
ID=30560155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985046084U Pending JPS61162518U (en) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61162518U (en) |
-
1985
- 1985-03-29 JP JP1985046084U patent/JPS61162518U/ja active Pending