JPH01141311U - - Google Patents

Info

Publication number
JPH01141311U
JPH01141311U JP3713888U JP3713888U JPH01141311U JP H01141311 U JPH01141311 U JP H01141311U JP 3713888 U JP3713888 U JP 3713888U JP 3713888 U JP3713888 U JP 3713888U JP H01141311 U JPH01141311 U JP H01141311U
Authority
JP
Japan
Prior art keywords
valve
variable throttle
hydraulic oil
throttle means
plunger
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
JP3713888U
Other languages
Japanese (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 JP3713888U priority Critical patent/JPH01141311U/ja
Publication of JPH01141311U publication Critical patent/JPH01141311U/ja
Pending legal-status Critical Current

Links

Description

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

図はこの考案の実施例の概略を示す。 １０…バルブ、２０…アクチユエータ、２４…
プランジヤ、５０…給排油通路、３４…第１室、
４０…第２室、５２…給油通路、５４…給油制御
用電磁開閉弁、５８…高圧ポンプ、６６…排油通
路、６８…排油制御用電磁開閉弁、８２，１０２
…絞り弁、８４，１０４…サーモワツクス。 The figure schematically shows an embodiment of the invention. 10... Valve, 20... Actuator, 24...
plunger, 50... oil supply and drainage passage, 34... first chamber,
40... Second chamber, 52... Oil supply passage, 54... Solenoid on-off valve for oil supply control, 58... High pressure pump, 66... Oil drain passage, 68... Solenoid on/off valve for oil drain control, 82, 102
... Throttle valve, 84,104...Thermowax.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関の吸気弁又は排気弁を駆動するための
油圧式のアクチユエータを備え、該アクチユエー
タは油圧の増減に応じて所望方向に弁を駆動する
プランジヤと、該所望方向への駆動時における弁
の最終位置の少し手前において弁の動きに制動を
かけるため作動油を封じ込める緩衝室と、該緩衝
室からの作動油の漏洩通路の有効径を制御するた
めの可変絞り手段と、作動油の温度に応じて可変
絞り手段を駆動する感温駆動手段とから成る内燃
機関の弁駆動装置。 The actuator includes a hydraulic actuator for driving an intake valve or an exhaust valve of an internal combustion engine, and the actuator includes a plunger that drives the valve in a desired direction according to an increase or decrease in oil pressure, and a plunger that drives the valve in the desired direction. A buffer chamber for containing hydraulic oil in order to brake the movement of the valve slightly before the valve movement, a variable throttle means for controlling the effective diameter of the leakage passage of hydraulic oil from the buffer chamber, and a variable throttle means according to the temperature of the hydraulic oil. and a temperature-sensitive drive means for driving a variable throttle means.
JP3713888U 1988-03-23 1988-03-23 Pending JPH01141311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3713888U JPH01141311U (en) 1988-03-23 1988-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3713888U JPH01141311U (en) 1988-03-23 1988-03-23

Publications (1)

Publication Number Publication Date
JPH01141311U true JPH01141311U (en) 1989-09-28

Family

ID=31263718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3713888U Pending JPH01141311U (en) 1988-03-23 1988-03-23

Country Status (1)

Country Link
JP (1) JPH01141311U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016211463A (en) * 2015-05-11 2016-12-15 株式会社Ihi Fuel injection device and engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016211463A (en) * 2015-05-11 2016-12-15 株式会社Ihi Fuel injection device and engine

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