DE50309325D1 - HYDRAULICALLY ACTUATED, VARIABLE VALVE TRANSMISSION OF AN INTERNAL COMBUSTION ENGINE - Google Patents
HYDRAULICALLY ACTUATED, VARIABLE VALVE TRANSMISSION OF AN INTERNAL COMBUSTION ENGINEInfo
- Publication number
- DE50309325D1 DE50309325D1 DE50309325T DE50309325T DE50309325D1 DE 50309325 D1 DE50309325 D1 DE 50309325D1 DE 50309325 T DE50309325 T DE 50309325T DE 50309325 T DE50309325 T DE 50309325T DE 50309325 D1 DE50309325 D1 DE 50309325D1
- Authority
- DE
- Germany
- Prior art keywords
- combustion engine
- internal combustion
- variable valve
- hydraulically actuated
- valve transmission
- 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 - Lifetime
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
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10224038A DE10224038A1 (en) | 2002-05-31 | 2002-05-31 | Hydraulically operated, variable valve train of an internal combustion engine |
PCT/EP2003/004294 WO2003102383A1 (en) | 2002-05-31 | 2003-04-25 | Hydraulically actuated, variable valve gear of an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
DE50309325D1 true DE50309325D1 (en) | 2008-04-17 |
Family
ID=29432457
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10224038A Withdrawn DE10224038A1 (en) | 2002-05-31 | 2002-05-31 | Hydraulically operated, variable valve train of an internal combustion engine |
DE50309325T Expired - Lifetime DE50309325D1 (en) | 2002-05-31 | 2003-04-25 | HYDRAULICALLY ACTUATED, VARIABLE VALVE TRANSMISSION OF AN INTERNAL COMBUSTION ENGINE |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10224038A Withdrawn DE10224038A1 (en) | 2002-05-31 | 2002-05-31 | Hydraulically operated, variable valve train of an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1509685B1 (en) |
AU (1) | AU2003245877A1 (en) |
DE (2) | DE10224038A1 (en) |
WO (1) | WO2003102383A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2511489B1 (en) | 2011-04-14 | 2013-05-29 | C.R.F. Società Consortile per Azioni | Internal combustion engine with hydro-mechanic valve actuation system for the intake valve and its solenoid control valve |
RU2642946C2 (en) * | 2013-07-15 | 2018-01-29 | Шаньдун Юниверсити | Oil regulator in all-mode valve manifold system of internal combustion engine |
DE102016009056A1 (en) | 2016-07-26 | 2018-02-01 | Daimler Ag | Valve train device for an internal combustion engine and internal combustion engine |
GB2562268A (en) * | 2017-05-10 | 2018-11-14 | Jaguar Land Rover Ltd | Apparatus for moving at least one valve for a combustion chamber of an internal combustion engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH086571B2 (en) * | 1989-09-08 | 1996-01-24 | 本田技研工業株式会社 | Valve train for internal combustion engine |
DE3939002A1 (en) * | 1989-11-25 | 1991-05-29 | Bosch Gmbh Robert | HYDRAULIC VALVE CONTROL DEVICE FOR A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE |
DE4206696C2 (en) * | 1992-03-04 | 2000-12-14 | Bosch Gmbh Robert | Hydraulic valve control device for engine valves |
IT1285853B1 (en) | 1996-04-24 | 1998-06-24 | Fiat Ricerche | INTERNAL COMBUSTION ENGINE WITH VARIABLE OPERATION VALVES. |
IT1291490B1 (en) * | 1997-02-04 | 1999-01-11 | C R F Societa Consotile Per Az | DIESEL CYCLE MULTI-CYLINDER ENGINE WITH VARIABLE ACTING VALVES |
DE10101584A1 (en) * | 2001-01-16 | 2002-07-25 | Bosch Gmbh Robert | Pressure accumulator for pressurizing a hydraulic device, with which a gas exchange valve of an internal combustion engine is preferably actuated |
ITTO20010269A1 (en) * | 2001-03-23 | 2002-09-23 | Fiat Ricerche | INTERNAL COMBUSTION ENGINE, WITH HYDRAULIC VARIABLE VALVE OPERATION SYSTEM, AND MEANS OF COMPENSATION OF VOLUME VARIATIONS |
-
2002
- 2002-05-31 DE DE10224038A patent/DE10224038A1/en not_active Withdrawn
-
2003
- 2003-04-25 EP EP03737957A patent/EP1509685B1/en not_active Expired - Lifetime
- 2003-04-25 DE DE50309325T patent/DE50309325D1/en not_active Expired - Lifetime
- 2003-04-25 WO PCT/EP2003/004294 patent/WO2003102383A1/en active IP Right Grant
- 2003-04-25 AU AU2003245877A patent/AU2003245877A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE10224038A1 (en) | 2003-12-11 |
WO2003102383A1 (en) | 2003-12-11 |
EP1509685B1 (en) | 2008-03-05 |
AU2003245877A1 (en) | 2003-12-19 |
EP1509685A1 (en) | 2005-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE |
|
R081 | Change of applicant/patentee |
Ref document number: 1509685 Country of ref document: EP Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120828 |