DE69309229T2 - Hydraulische Antriebsvorrichtung, insbesondere für Ventilsteuerung in einer Brennkraftmaschine - Google Patents

Hydraulische Antriebsvorrichtung, insbesondere für Ventilsteuerung in einer Brennkraftmaschine

Info

Publication number
DE69309229T2
DE69309229T2 DE69309229T DE69309229T DE69309229T2 DE 69309229 T2 DE69309229 T2 DE 69309229T2 DE 69309229 T DE69309229 T DE 69309229T DE 69309229 T DE69309229 T DE 69309229T DE 69309229 T2 DE69309229 T2 DE 69309229T2
Authority
DE
Germany
Prior art keywords
chamber
valve
cavity
internal combustion
combustion engine
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
Application number
DE69309229T
Other languages
German (de)
English (en)
Other versions
DE69309229D1 (de
Inventor
Francesco Cuniberti
Giancarlo Dellora
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.)
Iveco SpA
Original Assignee
Iveco Fiat SpA
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 Iveco Fiat SpA filed Critical Iveco Fiat SpA
Publication of DE69309229D1 publication Critical patent/DE69309229D1/de
Application granted granted Critical
Publication of DE69309229T2 publication Critical patent/DE69309229T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005—Deactivating valves
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L13/0031—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 by modification of tappet or pushrod length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
DE69309229T 1992-11-30 1993-11-25 Hydraulische Antriebsvorrichtung, insbesondere für Ventilsteuerung in einer Brennkraftmaschine Expired - Lifetime DE69309229T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920972A IT1257926B (it) 1992-11-30 1992-11-30 Unita' di azionamento idraulica, particolarmente per il comando di unavalvola di un motore a combustione interna.

Publications (2)

Publication Number Publication Date
DE69309229D1 DE69309229D1 (de) 1997-04-30
DE69309229T2 true DE69309229T2 (de) 1997-07-31

Family

ID=11410895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309229T Expired - Lifetime DE69309229T2 (de) 1992-11-30 1993-11-25 Hydraulische Antriebsvorrichtung, insbesondere für Ventilsteuerung in einer Brennkraftmaschine

Country Status (4)

Country Link
EP (1) EP0600381B1 (it)
DE (1) DE69309229T2 (it)
ES (1) ES2100428T3 (it)
IT (1) IT1257926B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE431897T1 (de) 2004-06-29 2009-06-15 Eaton Srl Offenens mini-ventilspielausgleichselement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050435A (en) * 1975-12-02 1977-09-27 Harold L. Fuller, Jr. Valve control for cylinder cutout system
US4337739A (en) * 1980-03-24 1982-07-06 Jordan Edgar R Valve control mechanism for internal combustion engines
DE4000531A1 (de) * 1990-01-10 1990-06-13 Roland Schmidt Verstellvorrichtung zur veraenderung von ventilsteuerzeiten und ventilhub

Also Published As

Publication number Publication date
ITTO920972A1 (it) 1994-05-30
DE69309229D1 (de) 1997-04-30
EP0600381B1 (en) 1997-03-26
EP0600381A1 (en) 1994-06-08
ITTO920972A0 (it) 1992-11-30
ES2100428T3 (es) 1997-06-16
IT1257926B (it) 1996-02-19

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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: IVECO S.P.A., TURIN, IT

R082 Change of representative

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Representative=s name: HOFFMANN - EITLE, 81925 MUENCHEN, DE