JPS60173607U - Internal combustion engine pressure reducing device - Google Patents

Internal combustion engine pressure reducing device

Info

Publication number
JPS60173607U
JPS60173607U JP6254784U JP6254784U JPS60173607U JP S60173607 U JPS60173607 U JP S60173607U JP 6254784 U JP6254784 U JP 6254784U JP 6254784 U JP6254784 U JP 6254784U JP S60173607 U JPS60173607 U JP S60173607U
Authority
JP
Japan
Prior art keywords
camshaft
combustion engine
internal combustion
pressure reducing
reducing 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
Application number
JP6254784U
Other languages
Japanese (ja)
Other versions
JPH0244006Y2 (en
Inventor
高田　敏之
一志 山本
Original Assignee
川崎重工業株式会社
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 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Priority to JP6254784U priority Critical patent/JPS60173607U/en
Publication of JPS60173607U publication Critical patent/JPS60173607U/en
Application granted granted Critical
Publication of JPH0244006Y2 publication Critical patent/JPH0244006Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Valve Device For Special Equipments (AREA)
  • 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) [Summary] 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 drawings]

図面は本考案の実施態様を例示し、第１図は減圧装置の
正面図、第２図は同減圧装置の側面図、第３図は圧縮圧
力とエンジン回転速度との関係を示す説明図、第４図は
カムの位相に対する補助カムの位相の変化を示す曲線図
である。 １・・・・・・タペット、２・・・・・・吸気弁、３・
・・・・・カムシャフト、４・・・・・・カム、５・・
・・・・歯車、６・・・・・・補助カム、７・・・・・
・スプリング、８・・・・・・支軸、１０・・・・・・
遠心アーム。The drawings illustrate embodiments of the present invention, and FIG. 1 is a front view of a pressure reducing device, FIG. 2 is a side view of the pressure reducing device, and FIG. 3 is an explanatory diagram showing the relationship between compression pressure and engine rotation speed. FIG. 4 is a curve diagram showing changes in the phase of the auxiliary cam with respect to the phase of the cam. 1... Tappet, 2... Intake valve, 3...
...Camshaft, 4...Cam, 5...
...Gear, 6...Auxiliary cam, 7...
・Spring, 8...Spindle, 10...
centrifugal arm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カムシャフトに設けられたカムの回転によって吸気弁お
よび排気弁を開閉する内燃機関において、前記カムシャ
フトに回転可能に嵌合される補′　助カムと、カムシャ
フトと一体に回転する支持体に支持されていてこのカム
シャフトの回転に伴う遠心力で回動する遠心アームとを
備え、この遠心アームはレバ一部とウェイト部を具備し
、このレバ一部が補助カムに係合しているとともに、ウ
ェイト部がカムシャフトの回転中心に近付く方向にスプ
リングで付勢され、補助カムによる吸気弁もしくは排気
弁の閉弁時期を前記遠心力に比例して早めることを特徴
とする内燃機関の減圧装置。In an internal combustion engine that opens and closes an intake valve and an exhaust valve by rotation of a cam provided on a camshaft, an auxiliary cam rotatably fitted to the camshaft and supported by a support body that rotates together with the camshaft are used. and a centrifugal arm that rotates due to the centrifugal force generated by the rotation of the camshaft. A pressure reducing device for an internal combustion engine, characterized in that the weight portion is biased by a spring in a direction toward the center of rotation of the camshaft, and the auxiliary cam advances the closing timing of the intake valve or the exhaust valve in proportion to the centrifugal force. .
JP6254784U 1984-04-26 1984-04-26 Internal combustion engine pressure reducing device Granted JPS60173607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6254784U JPS60173607U (en) 1984-04-26 1984-04-26 Internal combustion engine pressure reducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6254784U JPS60173607U (en) 1984-04-26 1984-04-26 Internal combustion engine pressure reducing device

Publications (2)

Publication Number Publication Date
JPS60173607U true JPS60173607U (en) 1985-11-18
JPH0244006Y2 JPH0244006Y2 (en) 1990-11-22

Family

ID=30591866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6254784U Granted JPS60173607U (en) 1984-04-26 1984-04-26 Internal combustion engine pressure reducing device

Country Status (1)

Country Link
JP (1) JPS60173607U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0370807A (en) * 1989-08-09 1991-03-26 Mitsubishi Heavy Ind Ltd Valve-timing-variable equipment for four-cycle engine
JP2011149340A (en) * 2010-01-22 2011-08-04 Suzuki Motor Corp Decompression device for four-cycle engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915484U (en) * 1972-05-14 1974-02-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915484U (en) * 1972-05-14 1974-02-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0370807A (en) * 1989-08-09 1991-03-26 Mitsubishi Heavy Ind Ltd Valve-timing-variable equipment for four-cycle engine
JP2011149340A (en) * 2010-01-22 2011-08-04 Suzuki Motor Corp Decompression device for four-cycle engine

Also Published As

Publication number Publication date
JPH0244006Y2 (en) 1990-11-22

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