JPH0161412U - - Google Patents

Info

Publication number
JPH0161412U
JPH0161412U JP15473587U JP15473587U JPH0161412U JP H0161412 U JPH0161412 U JP H0161412U JP 15473587 U JP15473587 U JP 15473587U JP 15473587 U JP15473587 U JP 15473587U JP H0161412 U JPH0161412 U JP H0161412U
Authority
JP
Japan
Prior art keywords
hydraulic
valve
actuator
pump
hydraulic pressure
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
JP15473587U
Other languages
Japanese (ja)
Other versions
JPH0541207Y2 (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 JP1987154735U priority Critical patent/JPH0541207Y2/ja
Publication of JPH0161412U publication Critical patent/JPH0161412U/ja
Application granted granted Critical
Publication of JPH0541207Y2 publication Critical patent/JPH0541207Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

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

第１図はこの考案のシステム全体の概略図。第
２図はこの考案の弁駆動装置のエンジン横方向に
おける詳細断面図。第３図は第２図の―線に
沿う断面図。第４図は第２図の―線に沿う断
面図。第５図は第４図の方向よりみた図。 ２０，２０′……吸気弁、５４，５４′……油
圧アクチユエータ、６０，６０′……プランジヤ
、６６，６６′……油圧室、７４……油圧導入制
御弁、７６……油圧排出制御弁、８０……圧電素
子積層体、９９，１００……油圧通路、１２２…
…圧電素子積層体、１３０……高圧アキユムレー
タ、１３２……低圧アキユムレータ、１３４……
補助油圧アキユムレータ、１５２……油圧ポンプ
、１６４……制御回路、１７０……高圧リーク弁
。 Figure 1 is a schematic diagram of the entire system of this invention. FIG. 2 is a detailed cross-sectional view of the valve drive device of this invention in the transverse direction of the engine. FIG. 3 is a sectional view taken along the line - in FIG. 2. FIG. 4 is a sectional view taken along the line - in FIG. 2. Figure 5 is a view seen from the direction of Figure 4. 20, 20'... Intake valve, 54, 54'... Hydraulic actuator, 60, 60'... Plunger, 66, 66'... Hydraulic chamber, 74... Hydraulic pressure introduction control valve, 76... Hydraulic discharge control valve , 80... Piezoelectric element laminate, 99, 100... Hydraulic passage, 122...
...Piezoelectric element laminate, 130...High voltage accumulator, 132...Low voltage accumulator, 134...
Auxiliary hydraulic accumulator, 152...hydraulic pump, 164...control circuit, 170...high pressure leak valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関の弁の駆動用の油圧アクチユエータを
備え、油圧ポンプからの油圧を制御弁を介して、
油圧アクチユエータに選択的に導入することによ
り弁の作動を制御する油圧式弁駆動制御装置にお
いて、油圧ポンプと油圧導入用の制御弁との間に
高圧リーク弁を設け、該高圧リーク弁は、エンジ
ン作動時におけるポンプからの油圧を油圧アクチ
ユエータに導入する作動位置と、アクチユエータ
をタンク側に接続する停止位置との間を移動する
ことを特徴とする内燃機関の油圧式弁駆動装置。 It is equipped with a hydraulic actuator for driving the valves of the internal combustion engine, and the hydraulic pressure from the hydraulic pump is transmitted through the control valve.
In a hydraulic valve drive control device that controls valve operation by selectively introducing hydraulic pressure into a hydraulic actuator, a high pressure leak valve is provided between a hydraulic pump and a control valve for introducing hydraulic pressure, and the high pressure leak valve is connected to an engine. A hydraulic valve drive device for an internal combustion engine, which moves between an operating position in which hydraulic pressure from a pump is introduced into a hydraulic actuator during operation, and a stop position in which the actuator is connected to a tank side.
JP1987154735U 1987-10-12 1987-10-12 Expired - Lifetime JPH0541207Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987154735U JPH0541207Y2 (en) 1987-10-12 1987-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987154735U JPH0541207Y2 (en) 1987-10-12 1987-10-12

Publications (2)

Publication Number Publication Date
JPH0161412U true JPH0161412U (en) 1989-04-19
JPH0541207Y2 JPH0541207Y2 (en) 1993-10-19

Family

ID=31431731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987154735U Expired - Lifetime JPH0541207Y2 (en) 1987-10-12 1987-10-12

Country Status (1)

Country Link
JP (1) JPH0541207Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579311A (en) * 1991-09-18 1993-03-30 Nissan Motor Co Ltd Variable valve system of internal combustion engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090909A (en) * 1983-09-23 1985-05-22 ソシエテ　アルザシエンヌ　ドウ　コンストリユク　シオン　メカニツク　ドウ　ミユルーズ Electronic hydraulic type valve control unit for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090909A (en) * 1983-09-23 1985-05-22 ソシエテ　アルザシエンヌ　ドウ　コンストリユク　シオン　メカニツク　ドウ　ミユルーズ Electronic hydraulic type valve control unit for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579311A (en) * 1991-09-18 1993-03-30 Nissan Motor Co Ltd Variable valve system of internal combustion engine

Also Published As

Publication number Publication date
JPH0541207Y2 (en) 1993-10-19

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