JPS581744U - Gasoline engine startup pressure reducing device - Google Patents

Gasoline engine startup pressure reducing device

Info

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
Application number
JP9578281U
Other languages
Japanese (ja)
Inventor
古沢　隆嗣
Original Assignee
富士重工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 富士重工業株式会社 filed Critical 富士重工業株式会社
Priority to JP9578281U priority Critical patent/JPS581744U/en
Publication of JPS581744U publication Critical patent/JPS581744U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 排気終了後からピストンが上死点に達するまでの圧縮行
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.
JP9578281U 1981-06-27 1981-06-27 Gasoline engine startup pressure reducing device Pending JPS581744U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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