FR2588041B1 - VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE - Google Patents

VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE

Info

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
Application number
FR8514517A
Other languages
French (fr)
Other versions
FR2588041A1 (en
Inventor
Bernard Touraine
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR8514517A priority Critical patent/FR2588041B1/en
Publication of FR2588041A1 publication Critical patent/FR2588041A1/en
Application granted granted Critical
Publication of FR2588041B1 publication Critical patent/FR2588041B1/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
    • F01L1/28—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)
FR8514517A 1985-10-01 1985-10-01 VARIABLE GEOMETRY VALVE FOR INTERNAL COMBUSTION ENGINE Expired FR2588041B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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