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
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)
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)
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)
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 |
-
1989
- 1989-11-25 DE DE3939065A patent/DE3939065A1/de not_active Withdrawn
-
1990
- 1990-10-26 DE DE90915296T patent/DE59004044D1/de not_active Expired - Fee Related
- 1990-10-26 US US07/730,792 patent/US5263441A/en not_active Expired - Fee Related
- 1990-10-26 JP JP2514225A patent/JPH04502660A/ja active Pending
- 1990-10-26 WO PCT/DE1990/000817 patent/WO1991008385A1/de active IP Right Grant
- 1990-10-26 EP EP90915296A patent/EP0455761B1/de not_active Expired - Lifetime
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 |