JPS6228004U - - Google Patents
Info
- Publication number
- JPS6228004U JPS6228004U JP11904485U JP11904485U JPS6228004U JP S6228004 U JPS6228004 U JP S6228004U JP 11904485 U JP11904485 U JP 11904485U JP 11904485 U JP11904485 U JP 11904485U JP S6228004 U JPS6228004 U JP S6228004U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- cylindrical body
- cylinder head
- fitted
- 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)
Description
第１図は本考案の一実施例を示す弁装置を備え
た４サイクルエンジンの要部縦断面図、第２図は
第１図の―線に沿う縦断面図、第３図は第１
図の―線に沿う縦断面図、第４図は第２図の
―線に沿う縦断面図、第５図は第２図の―
線に沿う横断面図、第６図は本考案の他の実施
例を示す第４図と同位置の縦断面図である。
４……クランクシヤフト、５……シリンダヘツ
ド、６……弁装置、７……吸気ポート、８……排
気ポート、９……吸気バルブ、９ａ，１０ａ……
ピストンバルブ、１０……排気バルブ、１１ａ，
１２ａ……円筒体、１１ｂ，１２ｂ……透孔。
Fig. 1 is a vertical cross-sectional view of essential parts of a four-stroke engine equipped with a valve device showing one embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view taken along the line - in Fig. 1, and Fig.
Figure 4 is a vertical cross-sectional view taken along line - of Figure 2, Figure 5 is a longitudinal cross-sectional view taken along line - of Figure 2, and Figure 5 is a longitudinal cross-sectional view taken along line - of Figure 2.
FIG. 6 is a cross-sectional view along the line, and FIG. 6 is a vertical cross-sectional view at the same position as FIG. 4, showing another embodiment of the present invention. 4... Crankshaft, 5... Cylinder head, 6... Valve device, 7... Intake port, 8... Exhaust port, 9... Intake valve, 9a, 10a...
Piston valve, 10...exhaust valve, 11a,
12a... Cylindrical body, 11b, 12b... Through hole.
Claims (1)
それぞれ開閉する吸気弁及び排気弁の少なくとも
一方をピストンバルブにて構成した４サイクルエ
ンジンの弁装置において、前記吸気ポート及び排
気ポートと連通する透孔が穿設されている円筒体
を軸方向に移動可能にシリンダヘツドに嵌装する
と共に、クランクシヤフトの回転に連動して往復
動する前記ピストンバルブを該円筒体孔に嵌装し
たことを特徴とする４サイクルエンジンの弁装置
。 In a valve device for a four-cycle engine, in which at least one of an intake valve and an exhaust valve for opening and closing an intake port and an exhaust port of a cylinder head, respectively, is configured with a piston valve, a through hole communicating with the intake port and the exhaust port is bored. A four-stroke engine, characterized in that a cylindrical body is fitted into a cylinder head so as to be movable in the axial direction, and the piston valve, which reciprocates in conjunction with the rotation of a crankshaft, is fitted into the cylindrical body hole. valve device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11904485U JPS6228004U (en) | 1985-08-02 | 1985-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11904485U JPS6228004U (en) | 1985-08-02 | 1985-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6228004U true JPS6228004U (en) | 1987-02-20 |
Family
ID=31006055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11904485U Pending JPS6228004U (en) | 1985-08-02 | 1985-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6228004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048247A (en) * | 2008-08-22 | 2010-03-04 | Osamu Nakada | Cylindrical piston valve prevented from protruding to combustion chamber |
-
1985
- 1985-08-02 JP JP11904485U patent/JPS6228004U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048247A (en) * | 2008-08-22 | 2010-03-04 | Osamu Nakada | Cylindrical piston valve prevented from protruding to combustion chamber |