JPS581744U - Gasoline engine startup pressure reducing device - Google Patents
Gasoline engine startup pressure reducing deviceInfo
- Publication number
- JPS581744U JPS581744U JP9578281U JP9578281U JPS581744U JP S581744 U JPS581744 U JP S581744U JP 9578281 U JP9578281 U JP 9578281U JP 9578281 U JP9578281 U JP 9578281U JP S581744 U JPS581744 U JP S581744U
- Authority
- JP
- Japan
- Prior art keywords
- pressure reducing
- gasoline engine
- reducing device
- cylinder
- engine startup
- 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
- Output Control And Ontrol Of Special Type Engine (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) [Abstract] 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縦断面図、第2図は第
1図の■=■線に沿う部分断面図、第3図は小孔の孔径
と圧縮圧力との関係を示す図、第4図は小孔の位置と圧
縮圧力との関係を示す図である。
1・・・シリンダ、2・・・シリンダヘッド、3・・・
点火栓、4・・・ピストン、5・・・気化器、6・・・
吸入通路、7・・・排気口、8・・・掃気通路、9・・
・小孔、10・・・起動時減圧室、11・・・カバー。Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a partial sectional view taken along the line ■=■ in Fig. 1, and Fig. 3 shows the relationship between the diameter of the small hole and the compression pressure. FIG. 4 is a diagram showing the relationship between the position of the small hole and the compression pressure. 1...Cylinder, 2...Cylinder head, 3...
Spark plug, 4... piston, 5... carburetor, 6...
Suction passage, 7...Exhaust port, 8...Scavenging passage, 9...
・Small hole, 10... Decompression chamber at startup, 11... Cover.
Claims (1)
程の途中の一定期間にだけシリンダ内周面に開口する小
孔を、シリンダ外周部に設けた起動時減圧室と連通させ
ると共に、前記小孔をエンジンの定常運転時には前記減
圧室とシリンダ内との間でガスの出入がなくなる程度の
小断面積に形成したことを特徴とするガソリンエンジン
の起動時減圧装置。A small hole that opens in the cylinder inner circumferential surface only during a certain period of time during the compression stroke from the end of exhaust gas until the piston reaches top dead center is communicated with the start-up decompression chamber provided on the outer circumference of the cylinder. 1. A pressure reducing device for starting a gasoline engine, characterized in that a hole is formed to have a small cross-sectional area such that gas does not enter or exit between the pressure reducing chamber and the inside of the cylinder during steady operation of the engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9578281U JPS581744U (en) | 1981-06-27 | 1981-06-27 | Gasoline engine startup pressure reducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9578281U JPS581744U (en) | 1981-06-27 | 1981-06-27 | Gasoline engine startup pressure reducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS581744U true JPS581744U (en) | 1983-01-07 |
Family
ID=29890674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9578281U Pending JPS581744U (en) | 1981-06-27 | 1981-06-27 | Gasoline engine startup pressure reducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581744U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522057U (en) * | 1975-06-24 | 1977-01-08 | ||
JPS5253126A (en) * | 1975-10-28 | 1977-04-28 | Suzuki Motor Co Ltd | Compression ratio adjustment device, 2-cycle engine |
-
1981
- 1981-06-27 JP JP9578281U patent/JPS581744U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522057U (en) * | 1975-06-24 | 1977-01-08 | ||
JPS5253126A (en) * | 1975-10-28 | 1977-04-28 | Suzuki Motor Co Ltd | Compression ratio adjustment device, 2-cycle engine |
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