JPS60185005U - Intake and exhaust valve timing adjustment device - Google Patents

Intake and exhaust valve timing adjustment device

Info

Publication number
JPS60185005U
JPS60185005U JP7320984U JP7320984U JPS60185005U JP S60185005 U JPS60185005 U JP S60185005U JP 7320984 U JP7320984 U JP 7320984U JP 7320984 U JP7320984 U JP 7320984U JP S60185005 U JPS60185005 U JP S60185005U
Authority
JP
Japan
Prior art keywords
cam surface
intake
exhaust valve
adjustment device
timing adjustment
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
JP7320984U
Other languages
Japanese (ja)
Inventor
義幸 梅本
Original Assignee
石川島播磨重工業株式会社
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 石川島播磨重工業株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP7320984U priority Critical patent/JPS60185005U/en
Publication of JPS60185005U publication Critical patent/JPS60185005U/en
Pending 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34416—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using twisted cams

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]

第１図は本考案の一実施例を示す吸排気弁タイミング調
整装置の正面図、第２図は同平面図、第３図は第１図Ａ
−Ａ線断面図、第４図は第２図Ｂ−Ｂ線断面図、第５図
、第６図は同装置の作用を説明するための平面図及び断
面図、第７図はタイミング変更を示すカム線図、第８図
は本考案の変形例を示す断面図である。 図中、１はカム、３は上昇案内カム面部、４は下降案内
カム面部、５は中間カム面部、６はカム軸、１１は操作
部、２４はカム面である。Fig. 1 is a front view of an intake/exhaust valve timing adjustment device showing an embodiment of the present invention, Fig. 2 is a plan view of the same, and Fig. 3 is Fig. 1A.
-A sectional view, Fig. 4 is a sectional view taken along line B-B in Fig. 2, Figs. The cam diagram shown in FIG. 8 is a sectional view showing a modification of the present invention. In the figure, 1 is a cam, 3 is an ascending guide cam surface, 4 is a descending guide cam surface, 5 is an intermediate cam surface, 6 is a cam shaft, 11 is an operating section, and 24 is a cam surface.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸排気弁駆動カムを、上昇案内カム面部と、下降案内カ
ム面部と、これら両カム面部間に介設される中間カム面
部とに分割し、カム軸上に上記中間カム面部を固定する
と共に上昇及び下降両案内カム面部を夫々カム軸の軸方
向に移動させつつ周方向に回動させる操作部を設けて、
上昇及び下降両案内カム面部を夫々操作することにより
、カム面の形状を可変するように構成したことを特徴と
する吸排気弁タイミング調整装置。The intake/exhaust valve drive cam is divided into an ascending guide cam surface, a descending guide cam surface, and an intermediate cam surface interposed between these cam surfaces, and the intermediate cam surface is fixed on the camshaft and raised. and an operating section for moving both the descending guide cam surface parts in the axial direction of the camshaft and rotating them in the circumferential direction,
An intake/exhaust valve timing adjustment device characterized in that the shape of a cam surface can be varied by operating both the ascending and descending guide cam surface sections.
JP7320984U 1984-05-21 1984-05-21 Intake and exhaust valve timing adjustment device Pending JPS60185005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7320984U JPS60185005U (en) 1984-05-21 1984-05-21 Intake and exhaust valve timing adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7320984U JPS60185005U (en) 1984-05-21 1984-05-21 Intake and exhaust valve timing adjustment device

Publications (1)

Publication Number Publication Date
JPS60185005U true JPS60185005U (en) 1985-12-07

Family

ID=30612351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7320984U Pending JPS60185005U (en) 1984-05-21 1984-05-21 Intake and exhaust valve timing adjustment device

Country Status (1)

Country Link
JP (1) JPS60185005U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166707U (en) * 1988-05-16 1989-11-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166707U (en) * 1988-05-16 1989-11-22

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