DE3760968D1 - Hydraulic valve control device - Google Patents

Hydraulic valve control device

Info

Publication number
DE3760968D1
DE3760968D1 DE8787110247T DE3760968T DE3760968D1 DE 3760968 D1 DE3760968 D1 DE 3760968D1 DE 8787110247 T DE8787110247 T DE 8787110247T DE 3760968 T DE3760968 T DE 3760968T DE 3760968 D1 DE3760968 D1 DE 3760968D1
Authority
DE
Germany
Prior art keywords
control device
valve control
hydraulic valve
hydraulic
valve
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.)
Expired
Application number
DE8787110247T
Other languages
German (de)
Inventor
Jurij Gartner
Peter Langen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DE8787110247T priority Critical patent/DE3760968D1/en
Application granted granted Critical
Publication of DE3760968D1 publication Critical patent/DE3760968D1/en
Expired 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/16—Silencing impact; Reducing wear
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • 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
    • F01L1/3442—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 hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423—Details relating to the hydraulic feeding circuit
    • F01L2001/34446—Fluid accumulators for the feeding circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
DE8787110247T 1986-07-29 1987-07-16 Hydraulic valve control device Expired DE3760968D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787110247T DE3760968D1 (en) 1986-07-29 1987-07-16 Hydraulic valve control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863625627 DE3625627A1 (en) 1986-07-29 1986-07-29 DEVICE FOR HYDRAULIC CONTROL OF LIFT VALVES
DE8787110247T DE3760968D1 (en) 1986-07-29 1987-07-16 Hydraulic valve control device

Publications (1)

Publication Number Publication Date
DE3760968D1 true DE3760968D1 (en) 1989-12-14

Family

ID=6306210

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19863625627 Granted DE3625627A1 (en) 1986-07-29 1986-07-29 DEVICE FOR HYDRAULIC CONTROL OF LIFT VALVES
DE8787110247T Expired DE3760968D1 (en) 1986-07-29 1987-07-16 Hydraulic valve control device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19863625627 Granted DE3625627A1 (en) 1986-07-29 1986-07-29 DEVICE FOR HYDRAULIC CONTROL OF LIFT VALVES

Country Status (3)

Country Link
EP (1) EP0254967B1 (en)
DE (2) DE3625627A1 (en)
ES (1) ES2011471B3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4027630C1 (en) * 1990-08-31 1991-12-05 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
US5275136A (en) * 1991-06-24 1994-01-04 Ford Motor Company Variable engine valve control system with hydraulic damper
US5216988A (en) * 1992-10-15 1993-06-08 Siemens Automotive L.P. Dual bucket hydraulic actuator
WO2001020150A1 (en) * 1999-09-17 2001-03-22 Diesel Engine Retarders, Inc. Captive volume accumulator for a lost motion system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751538C (en) * 1943-03-03 1952-11-04 Kloeckner Humboldt Deutz Ag Pressurized fluid drive, especially for valves on internal combustion engines
CH243908A (en) * 1944-11-27 1946-08-15 Schweizerische Lokomotiv Fluid brake with check valve on the passive piston of hydraulically controlled valves of internal combustion engines.
JPS59229011A (en) * 1983-06-08 1984-12-22 Yanmar Diesel Engine Co Ltd Valve operating mechanism of internal-combustion engine
JPS6193214A (en) * 1984-10-12 1986-05-12 Sumitomo Heavy Ind Ltd Hydraulic type exhaust valve opening and closing device
DE3537630A1 (en) * 1984-10-31 1986-04-30 Volkswagen AG, 3180 Wolfsburg Valve arrangement especially for an internal combustion engine
DE3511819A1 (en) * 1985-03-30 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart VALVE CONTROL DEVICE

Also Published As

Publication number Publication date
DE3625627A1 (en) 1988-02-04
DE3625627C2 (en) 1988-06-23
EP0254967A3 (en) 1988-03-30
EP0254967A2 (en) 1988-02-03
EP0254967B1 (en) 1989-11-08
ES2011471B3 (en) 1990-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee