JPH01102411U - - Google Patents

Info

Publication number
JPH01102411U
JPH01102411U JP19782687U JP19782687U JPH01102411U JP H01102411 U JPH01102411 U JP H01102411U JP 19782687 U JP19782687 U JP 19782687U JP 19782687 U JP19782687 U JP 19782687U JP H01102411 U JPH01102411 U JP H01102411U
Authority
JP
Japan
Prior art keywords
lubricating oil
passage
actuator
engine
bypass
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
JP19782687U
Other languages
Japanese (ja)
Other versions
JPH0618005Y2 (en
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 JP1987197826U priority Critical patent/JPH0618005Y2/en
Publication of JPH01102411U publication Critical patent/JPH01102411U/ja
Application granted granted Critical
Publication of JPH0618005Y2 publication Critical patent/JPH0618005Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Valve Device For Special Equipments (AREA)

Description

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

図面は本考案の実施例を例示し、第１図は全体
概略構成図、第２図は動弁装置の平面図、第３図
は同縦断側面図、第４図は油温と油圧との関係を
示す特性図である。 ５ａ……主潤滑オイル圧送通路、５ｂ……副潤
滑オイル圧送通路、８……オイルポンプ、１０…
…オイルフイルタ、３０……アクチユエータ、４
１……バイパス通路、４２……切換弁（切換手段
）。 The drawings illustrate an embodiment of the present invention, in which Fig. 1 is a general schematic diagram, Fig. 2 is a plan view of the valve train, Fig. 3 is a vertical side view of the same, and Fig. 4 shows the relationship between oil temperature and oil pressure. It is a characteristic diagram showing a relationship. 5a... Main lubricating oil pressure feeding passage, 5b... Sub-lubricating oil pressure feeding passage, 8... Oil pump, 10...
... Oil filter, 30 ... Actuator, 4
1...Bypass passage, 42...Switching valve (switching means).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの潤滑オイルが圧送される潤滑オイル
圧送通路と動弁装置のバルブ駆動力伝達経路を制
御する油圧式のアクチユエータとを備え、該アク
チユエータを上記潤滑オイル圧送通路の潤滑オイ
ルにより駆動するようにしたエンジンのバルブ駆
動装置において、上記潤滑オイル圧送通路の途中
をバイパスするバイパス通路を設けるとともに、
潤滑オイルの粘度が所定粘度よりも低いときに上
記潤滑オイル圧送通路からアクチユエータへの潤
滑オイルの供給を上記バイパス通路からアクチユ
エータへの潤滑オイルの供給に切換える切換手段
を設けたことを特徴とするエンジンのバルブ駆動
装置。 A lubricating oil pressure feeding passage through which engine lubricating oil is fed under pressure, and a hydraulic actuator for controlling a valve driving force transmission path of a valve train, the actuator being driven by the lubricating oil in the lubricating oil feeding passage. In the engine valve drive device, a bypass passage is provided to bypass the lubricating oil pressure passage in the middle, and
An engine comprising a switching means for switching the supply of lubricating oil from the lubricating oil pressure passage to the actuator to the supply of lubricating oil from the bypass passage to the actuator when the viscosity of the lubricating oil is lower than a predetermined viscosity. valve drive device.
JP1987197826U 1987-12-25 1987-12-25 Engine valve drive Expired - Lifetime JPH0618005Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987197826U JPH0618005Y2 (en) 1987-12-25 1987-12-25 Engine valve drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987197826U JPH0618005Y2 (en) 1987-12-25 1987-12-25 Engine valve drive

Publications (2)

Publication Number Publication Date
JPH01102411U true JPH01102411U (en) 1989-07-11
JPH0618005Y2 JPH0618005Y2 (en) 1994-05-11

Family

ID=31488359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987197826U Expired - Lifetime JPH0618005Y2 (en) 1987-12-25 1987-12-25 Engine valve drive

Country Status (1)

Country Link
JP (1) JPH0618005Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009215950A (en) * 2008-03-10 2009-09-24 Denso Corp Valve timing adjuster

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847131A (en) * 1981-09-16 1983-03-18 Mitsubishi Motors Corp Valve operation stop mechanism for an engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5847131A (en) * 1981-09-16 1983-03-18 Mitsubishi Motors Corp Valve operation stop mechanism for an engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009215950A (en) * 2008-03-10 2009-09-24 Denso Corp Valve timing adjuster

Also Published As

Publication number Publication date
JPH0618005Y2 (en) 1994-05-11

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