JPS6038107U - Normally closed valve device for internal combustion engine - Google Patents
Normally closed valve device for internal combustion engineInfo
- Publication number
- JPS6038107U JPS6038107U JP13090283U JP13090283U JPS6038107U JP S6038107 U JPS6038107 U JP S6038107U JP 13090283 U JP13090283 U JP 13090283U JP 13090283 U JP13090283 U JP 13090283U JP S6038107 U JPS6038107 U JP S6038107U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- valve
- normally closed
- valve device
- 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.)
- Granted
Links
Landscapes
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示すシリンダヘッド部の縦
断面図、第２図は同じく平面図、第３図は本考案の他の
実施例を示すシリンダヘッド部の縦断面図、第４図及び
第５図は夫々別のバルブスプリングの実施例を示す断面
正面図、第６図は自動二輪車に本考案のバルブ装置を適
用したエンジンを搭載した正面図である。
１はシリンダ、２はピストン、３はシリンダヘッド、４
は吸気孔、５は排気孔、６は燃焼室、７ −はポペット
弁、７ａは弁体、７ｂはステム軸、８はステムガイド、
８ａは座面、１１はスプリングリテーナ、１２はバルブ
スプリング、１３は動弁機構である。FIG. 1 is a longitudinal cross-sectional view of a cylinder head showing one embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a longitudinal cross-sectional view of a cylinder head showing another embodiment of the present invention. 4 and 5 are sectional front views showing different embodiments of valve springs, and FIG. 6 is a front view of a motorcycle equipped with an engine to which the valve device of the present invention is applied. 1 is the cylinder, 2 is the piston, 3 is the cylinder head, 4
is an intake hole, 5 is an exhaust hole, 6 is a combustion chamber, 7 - is a poppet valve, 7a is a valve body, 7b is a stem shaft, 8 is a stem guide,
8a is a seat surface, 11 is a spring retainer, 12 is a valve spring, and 13 is a valve mechanism.
Claims (1)
ステム軸に、該ポペット弁を常に閉弁方向に付勢するコ
イル状のバルブスプリングを設けた内燃機関の常閉型バ
ルブ装置において、該バルブスプリングのポペット弁の
弁体側を縮径したことを特徴とする内燃機関の常閉型バ
ルブ装置。In a normally closed valve device for an internal combustion engine, the stem shaft of a poppet valve disposed in a combustion chamber of a four-cycle internal combustion engine is provided with a coiled valve spring that always biases the poppet valve in a valve closing direction. A normally closed valve device for an internal combustion engine, characterized in that the valve body side of a poppet valve of a valve spring is reduced in diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13090283U JPS6038107U (en) | 1983-08-24 | 1983-08-24 | Normally closed valve device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13090283U JPS6038107U (en) | 1983-08-24 | 1983-08-24 | Normally closed valve device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6038107U true JPS6038107U (en) | 1985-03-16 |
| JPH0221527Y2 JPH0221527Y2 (en) | 1990-06-11 |
Family
ID=30296124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13090283U Granted JPS6038107U (en) | 1983-08-24 | 1983-08-24 | Normally closed valve device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6038107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3486442A1 (en) * | 2017-11-17 | 2019-05-22 | Yamaha Hatsudoki Kabushiki Kaisha | Internal combustion engine and straddled vehicle having the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026209U (en) * | 1983-07-29 | 1985-02-22 | いすゞ自動車株式会社 | Internal combustion engine barrel valve spring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026209B2 (en) * | 1979-12-07 | 1985-06-22 | 株式会社リコー | Document stop mechanism of automatic document feeder |
-
1983
- 1983-08-24 JP JP13090283U patent/JPS6038107U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6026209U (en) * | 1983-07-29 | 1985-02-22 | いすゞ自動車株式会社 | Internal combustion engine barrel valve spring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3486442A1 (en) * | 2017-11-17 | 2019-05-22 | Yamaha Hatsudoki Kabushiki Kaisha | Internal combustion engine and straddled vehicle having the same |
| US10794240B2 (en) | 2017-11-17 | 2020-10-06 | Yamaha Hatsudoki Kabushiki Kaisha | Internal combustion engine and straddled vehicle having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221527Y2 (en) | 1990-06-11 |
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