JPH0325805U - - Google Patents

Info

Publication number
JPH0325805U
JPH0325805U JP1989085652U JP8565289U JPH0325805U JP H0325805 U JPH0325805 U JP H0325805U JP 1989085652 U JP1989085652 U JP 1989085652U JP 8565289 U JP8565289 U JP 8565289U JP H0325805 U JPH0325805 U JP H0325805U
Authority
JP
Japan
Prior art keywords
camshaft
internal combustion
combustion engine
speed
rack
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
JP1989085652U
Other languages
English (en)
Other versions
JPH0721845Y2 (ja
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 filed Critical
Priority to JP1989085652U priority Critical patent/JPH0721845Y2/ja
Publication of JPH0325805U publication Critical patent/JPH0325805U/ja
Application granted granted Critical
Publication of JPH0721845Y2 publication Critical patent/JPH0721845Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
    • F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例に係る主要部の断面図
、第２図および第３図は第１図の−矢視図で
、第２図はデコンプカムが作用した状態を示し、
第３図は遠心力の作用でデコンプカムがバルブカ
ムに隠れた状態を示す。第４図は内燃機関のピス
トンの行程と給排気バブルカム及びデコンプカム
のタイミング説明図、第５図は従来の技術例を示
す断面図、第６図は第５図のＺ−Ｚ矢視図である
。 ３…タペツト、２１…カム軸、２２…カム、２
３…カム歯車、２４…デコンプカム、２６…ラツ
クアーム、２９…内歯歯車（ラツク）、３０…ピ
ニオン。

Claims (1)

  1. 【実用新案登録請求の範囲】 始動時、圧縮圧力を減圧する内燃機関のデコン
    プ装置において、 カム軸に固着された歯車の側面に回転時の遠心
    力を受けて揺動するラツクアームを設け、同ラツ
    クアームにラツクを形成すると共に、同ラツクと
    噛合うピニオンを備え、始動時、内燃機関回転数
    が所定回転数以下のとき、タペツトを押し上げて
    圧縮工程中のシリンダ室内圧力を減圧し、回転数
    が所定回転数以上に上昇すると、前記ラツクアー
    ムの揺動により回転してカム軸に設けられている
    弁カムのプロフアイル内に入り込むデコンプカム
    を前記カム軸に回転可能に嵌合してなることを特
    徴とする内燃機関のデコンプ装置。
JP1989085652U 1989-07-24 1989-07-24 内燃機関のデコンプ装置 Expired - Lifetime JPH0721845Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989085652U JPH0721845Y2 (ja) 1989-07-24 1989-07-24 内燃機関のデコンプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989085652U JPH0721845Y2 (ja) 1989-07-24 1989-07-24 内燃機関のデコンプ装置

Publications (2)

Publication Number Publication Date
JPH0325805U true JPH0325805U (ja) 1991-03-18
JPH0721845Y2 JPH0721845Y2 (ja) 1995-05-17

Family

ID=31634896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989085652U Expired - Lifetime JPH0721845Y2 (ja) 1989-07-24 1989-07-24 内燃機関のデコンプ装置

Country Status (1)

Country Link
JP (1) JPH0721845Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008284176A (ja) * 2007-05-18 2008-11-27 Hiroshi Terasaka 数独ゲーム盤・駒

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298612A (ja) * 1986-06-17 1987-12-25 Honda Motor Co Ltd 四サイクル内燃エンジンの自動減圧機構

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298612A (ja) * 1986-06-17 1987-12-25 Honda Motor Co Ltd 四サイクル内燃エンジンの自動減圧機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008284176A (ja) * 2007-05-18 2008-11-27 Hiroshi Terasaka 数独ゲーム盤・駒

Also Published As

Publication number Publication date
JPH0721845Y2 (ja) 1995-05-17

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