FR2588041B1 - VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE - Google Patents
VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINEInfo
- Publication number
- FR2588041B1 FR2588041B1 FR8514517A FR8514517A FR2588041B1 FR 2588041 B1 FR2588041 B1 FR 2588041B1 FR 8514517 A FR8514517 A FR 8514517A FR 8514517 A FR8514517 A FR 8514517A FR 2588041 B1 FR2588041 B1 FR 2588041B1
- Authority
- FR
- France
- Prior art keywords
- combustion engine
- internal combustion
- variable geometry
- geometry valve
- 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
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
- F01L1/28—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8514517A FR2588041B1 (en) | 1985-10-01 | 1985-10-01 | VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8514517A FR2588041B1 (en) | 1985-10-01 | 1985-10-01 | VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2588041A1 FR2588041A1 (en) | 1987-04-03 |
FR2588041B1 true FR2588041B1 (en) | 1989-10-06 |
Family
ID=9323411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8514517A Expired FR2588041B1 (en) | 1985-10-01 | 1985-10-01 | VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2588041B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248471A (en) * | 1990-10-04 | 1992-04-08 | Ford Motor Co | I.c.engine poppet valve guide and variable throttle |
DE4333592A1 (en) * | 1993-10-01 | 1995-04-06 | Bayerische Motoren Werke Ag | Lifting valve with an additional disc |
DE102007030484A1 (en) | 2007-06-30 | 2009-01-08 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Valve control system for internal combustion engine, particularly in motor vehicle, has valve shield screen, which is arranged at intake valve in stroke-adjustable manner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3557762A (en) * | 1969-02-06 | 1971-01-26 | Gen Motors Corp | Engine with variable opening inlet valve means |
US3911873A (en) * | 1972-10-30 | 1975-10-14 | Sharad M Dave | Variable internal combustion engine valve operating system |
DE2636519A1 (en) * | 1976-08-13 | 1978-02-16 | Daimler Benz Ag | IC engine inlet valve with back-up valve for charge variation - has hydraulic advance and spring retraction by operating units in port wall |
DE2746717A1 (en) * | 1977-10-18 | 1979-04-19 | Daimler Benz Ag | Throttle screen controlling mixt. intake in IC engine - effects timed plate valve opening movement and has screen to distance valve opening varied by load |
-
1985
- 1985-10-01 FR FR8514517A patent/FR2588041B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2588041A1 (en) | 1987-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |