DE59004044D1 - Hydraulische ventilsteuervorrichtung für brennkraftmaschinen. - Google Patents

Hydraulische ventilsteuervorrichtung für brennkraftmaschinen.

Info

Publication number
DE59004044D1
DE59004044D1 DE90915296T DE59004044T DE59004044D1 DE 59004044 D1 DE59004044 D1 DE 59004044D1 DE 90915296 T DE90915296 T DE 90915296T DE 59004044 T DE59004044 T DE 59004044T DE 59004044 D1 DE59004044 D1 DE 59004044D1
Authority
DE
Germany
Prior art keywords
control device
internal combustion
valve control
combustion engines
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 - Fee Related
Application number
DE90915296T
Other languages
English (en)
Inventor
Helmut Rembold
Ernst Linder
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE59004044D1 publication Critical patent/DE59004044D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F01L9/14—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 the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
    • 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)
DE90915296T 1989-11-25 1990-10-26 Hydraulische ventilsteuervorrichtung für brennkraftmaschinen. Expired - Fee Related DE59004044D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3939065A DE3939065A1 (de) 1989-11-25 1989-11-25 Hydraulische ventilsteuervorrichtung fuer brennkraftmaschinen

Publications (1)

Publication Number Publication Date
DE59004044D1 true DE59004044D1 (de) 1994-02-10

Family

ID=6394204

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3939065A Withdrawn DE3939065A1 (de) 1989-11-25 1989-11-25 Hydraulische ventilsteuervorrichtung fuer brennkraftmaschinen
DE90915296T Expired - Fee Related DE59004044D1 (de) 1989-11-25 1990-10-26 Hydraulische ventilsteuervorrichtung für brennkraftmaschinen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3939065A Withdrawn DE3939065A1 (de) 1989-11-25 1989-11-25 Hydraulische ventilsteuervorrichtung fuer brennkraftmaschinen

Country Status (5)

Country Link
US (1) US5263441A (de)
EP (1) EP0455761B1 (de)
JP (1) JPH04502660A (de)
DE (2) DE3939065A1 (de)
WO (1) WO1991008385A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4101117A1 (de) * 1991-01-16 1992-07-23 Rexroth Mannesmann Gmbh Fremdkraftbetaetigtes, insbesondere elektrisch- bzw. magnetbetaetigtes wege-sitzventil
DE4206696C2 (de) * 1992-03-04 2000-12-14 Bosch Gmbh Robert Hydraulische Ventilsteuervorrichtung für Motorventile
US5373817A (en) * 1993-12-17 1994-12-20 Ford Motor Company Valve deactivation and adjustment system for electrohydraulic camless valvetrain
US5829397A (en) * 1995-08-08 1998-11-03 Diesel Engine Retarders, Inc. System and method for controlling the amount of lost motion between an engine valve and a valve actuation means
AUPN678395A0 (en) * 1995-11-23 1995-12-14 Mitchell, William Richard Hydraulically or pneumatically actuated electronically controlled automotive valve system
ITTO980060A1 (it) * 1998-01-23 1999-07-23 Fiat Ricerche Perfezionamenti ai motori a combustione intenra con valvole ad azionam ento variabile.
GB9906504D0 (en) * 1999-03-23 1999-05-12 Csa Performance Ltd Valve actuation means
US6135073A (en) * 1999-04-23 2000-10-24 Caterpillar Inc. Hydraulic check valve recuperation
DE19949514C2 (de) 1999-10-14 2001-10-18 Bosch Gmbh Robert Vorrichtung zum schnellen Druckaufbau in einer durch eine Förderpumpe mit einem Druckmedium versorgten Einrichtung eines Kraftfahrzeugs
ITTO20010270A1 (it) * 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna con sistema idraulico di azionamento variabile delle valvole e punteria a doppio stantuffo.
ITTO20010269A1 (it) * 2001-03-23 2002-09-23 Fiat Ricerche Motore a combustione interna, con sistema idraulico di azionamento variabile delle valvole, e mezzi di compensazione delle variazioni di vol
DE10140919A1 (de) 2001-08-21 2003-03-20 Bosch Gmbh Robert Ventilmechanismus mit einem variablen Ventilöffnungsquerschnitt
DE10140952A1 (de) 2001-08-21 2003-03-20 Bosch Gmbh Robert Ventilmechanismus mit einem variablen Ventilöffnungsquerschnitt
DE10140941A1 (de) 2001-08-21 2003-03-20 Bosch Gmbh Robert Ventilmechanismus mit einem variablen Ventilöffnungsquerschnitt
LU90889B1 (en) * 2002-02-04 2003-08-05 Delphi Tech Inc Hydraulicv control system for a gas exchange valve of an internal combustion engine
DE10231143B4 (de) * 2002-07-10 2004-08-12 Siemens Ag Verfahren zum Steuern des Ventilhubes von diskret verstellbaren Einlassventilen einer Mehrzylinder-Brennkraftmaschine
JP2004197588A (ja) * 2002-12-17 2004-07-15 Mitsubishi Motors Corp 内燃機関の動弁装置
FI117348B (fi) * 2004-02-24 2006-09-15 Taimo Tapio Stenman Hydraulinen laitejärjestely polttomoottorin venttiilien toiminnan ohjaamiseksi
DE102010018209A1 (de) * 2010-04-26 2011-10-27 Schaeffler Technologies Gmbh & Co. Kg Hydraulikeinheit für einen Zylinderkopf einer Brennkraftmaschine mit hydraulisch variablem Gaswechselventiltrieb
KR20120017982A (ko) * 2010-08-20 2012-02-29 현대자동차주식회사 전기-유압 가변 밸브 리프트 장치
JP6003439B2 (ja) * 2012-09-18 2016-10-05 アイシン精機株式会社 弁開閉時期制御装置
SE540359C2 (sv) * 2013-10-16 2018-08-07 Freevalve Ab Förbränningsmotor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135650A1 (de) * 1981-09-09 1983-03-17 Robert Bosch Gmbh, 7000 Stuttgart "ventilsteuerung fuer hubkolben-brennkraftmaschinen mit mechanisch-hydraulischen bewegungsuebertragungsmitteln"
JPH0612058B2 (ja) * 1984-12-27 1994-02-16 トヨタ自動車株式会社 可変バルブタイミング・リフト装置
DE3511819A1 (de) * 1985-03-30 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung
DE3511820A1 (de) * 1985-03-30 1986-10-02 Robert Bosch Gmbh, 7000 Stuttgart Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine
DE3532549A1 (de) * 1985-09-12 1987-03-19 Bosch Gmbh Robert Ventilsteuervorrichtung
DE3815668A1 (de) * 1988-05-07 1989-11-16 Bosch Gmbh Robert Ventilsteuervorrichtung mit magnetventil fuer brennkraftmaschinen
US4930465A (en) * 1989-10-03 1990-06-05 Siemens-Bendix Automotive Electronics L.P. Solenoid control of engine valves with accumulator pressure recovery

Also Published As

Publication number Publication date
WO1991008385A1 (de) 1991-06-13
JPH04502660A (ja) 1992-05-14
EP0455761A1 (de) 1991-11-13
EP0455761B1 (de) 1993-12-29
DE3939065A1 (de) 1991-05-29
US5263441A (en) 1993-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee