JPS58191308U - Internal combustion engine intake and exhaust valve drive device - Google Patents

Internal combustion engine intake and exhaust valve drive device

Info

Publication number
JPS58191308U
JPS58191308U JP9047582U JP9047582U JPS58191308U JP S58191308 U JPS58191308 U JP S58191308U JP 9047582 U JP9047582 U JP 9047582U JP 9047582 U JP9047582 U JP 9047582U JP S58191308 U JPS58191308 U JP S58191308U
Authority
JP
Japan
Prior art keywords
valve drive
hydraulic cylinder
exhaust valve
internal combustion
drive 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.)
Pending
Application number
JP9047582U
Other languages
Japanese (ja)
Inventor
誠之助 原
薫 片山
松本　泰郎
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP9047582U priority Critical patent/JPS58191308U/en
Publication of JPS58191308U publication Critical patent/JPS58191308U/en
Pending legal-status Critical Current

Links

Landscapes

  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (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]

第１図は従来の内燃機関の吸排気弁駆動装置を示す断面
図、第２図は本考案の吸排気弁駆動装置の一実施例を示
す平面図、第３図は同じく一部破断した正面図、第４図
および第５図は同じ（作動前後の状態を示す正面図、第
６図は同じくバルブリフト特性図である。 １１・・・バルブ駆動カム、１２・・・吸排気弁、１３
・・・ロッカアーム、１３ａ・・・第１の支軸、１５・
・・油圧シリンダ、１６・・・プランジャ、２０・・・
第２の支軸、２１・・・アーム、２３・・・スプリング
。Fig. 1 is a sectional view showing a conventional intake and exhaust valve drive device for an internal combustion engine, Fig. 2 is a plan view showing an embodiment of the intake and exhaust valve drive device of the present invention, and Fig. 3 is a partially cutaway front view. 4 and 5 are the same (a front view showing the state before and after operation, and FIG. 6 is a valve lift characteristic diagram as well. 11... Valve drive cam, 12... Intake and exhaust valve, 13
...Rocker arm, 13a...First support shaft, 15.
... Hydraulic cylinder, 16... Plunger, 20...
Second support shaft, 21...arm, 23...spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関回転に同期して回転するバルブ駆動カムと、一端が
このバルブ駆動カムに他端がバルブステムにそれぞれ連
係し、中間部が第１の支軸に回動自在に支持されたロッ
カアームと、このロッカアームの背面に略沿って配設さ
れ、この背面に支点接触するとともに、前記バルブステ
ム側の一端で回動可能に支持された油圧シリンダと、油
圧シリンダに嵌挿されかつ一端が第２の支軸に接触して
いるプランジャと第２の支軸に回動自在に取り付けられ
、ばねにより油圧シリンダ側に付勢され、この油圧シリ
ンダの回動支点を有するアームとを備えてなり、前記油
圧シリンダに機関運転状態に応じた油圧を供給すること
により、吸排気弁のりフトタイミングおよびリフト量を
制御するように構成してなる内燃機関の吸排気弁駆動装
置。A valve drive cam that rotates in synchronization with engine rotation, a rocker arm that has one end linked to the valve drive cam and the other end linked to the valve stem, and whose middle part is rotatably supported by a first support shaft; A hydraulic cylinder is disposed approximately along the back surface of the rocker arm, is in fulcrum contact with the back surface, and is rotatably supported at one end on the valve stem side; The hydraulic cylinder comprises a plunger in contact with a shaft, and an arm rotatably attached to a second support shaft, biased toward the hydraulic cylinder by a spring, and having a pivot point for the hydraulic cylinder. An intake/exhaust valve drive device for an internal combustion engine configured to control intake/exhaust valve lift timing and lift amount by supplying hydraulic pressure according to engine operating conditions to the engine.
JP9047582U 1982-06-17 1982-06-17 Internal combustion engine intake and exhaust valve drive device Pending JPS58191308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9047582U JPS58191308U (en) 1982-06-17 1982-06-17 Internal combustion engine intake and exhaust valve drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9047582U JPS58191308U (en) 1982-06-17 1982-06-17 Internal combustion engine intake and exhaust valve drive device

Publications (1)

Publication Number Publication Date
JPS58191308U true JPS58191308U (en) 1983-12-19

Family

ID=30098985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9047582U Pending JPS58191308U (en) 1982-06-17 1982-06-17 Internal combustion engine intake and exhaust valve drive device

Country Status (1)

Country Link
JP (1) JPS58191308U (en)

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