DE69302047D1 - Hubventilsteuerungsvorrichtung einer Brennkraftmaschine - Google Patents

Hubventilsteuerungsvorrichtung einer Brennkraftmaschine

Info

Publication number
DE69302047D1
DE69302047D1 DE69302047T DE69302047T DE69302047D1 DE 69302047 D1 DE69302047 D1 DE 69302047D1 DE 69302047 T DE69302047 T DE 69302047T DE 69302047 T DE69302047 T DE 69302047T DE 69302047 D1 DE69302047 D1 DE 69302047D1
Authority
DE
Germany
Prior art keywords
control device
combustion engine
internal combustion
valve control
lift 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
Application number
DE69302047T
Other languages
English (en)
Other versions
DE69302047T2 (de
Inventor
Renato It Filippi
Francesco Vattaneo
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.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Publication of DE69302047D1 publication Critical patent/DE69302047D1/de
Application granted granted Critical
Publication of DE69302047T2 publication Critical patent/DE69302047T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/16—Silencing impact; Reducing wear
    • 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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • 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
    • F01L2013/0089—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 with means for delaying valve closing

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)
DE69302047T 1992-06-19 1993-06-15 Hubventilsteuerungsvorrichtung einer Brennkraftmaschine Expired - Fee Related DE69302047T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920525A IT1257904B (it) 1992-06-19 1992-06-19 Dispositivo di comando di una valvola di un motore a combustione interna.

Publications (2)

Publication Number Publication Date
DE69302047D1 true DE69302047D1 (de) 1996-05-09
DE69302047T2 DE69302047T2 (de) 1996-08-29

Family

ID=11410547

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69302047T Expired - Fee Related DE69302047T2 (de) 1992-06-19 1993-06-15 Hubventilsteuerungsvorrichtung einer Brennkraftmaschine

Country Status (5)

Country Link
US (1) US5309872A (de)
EP (1) EP0574867B1 (de)
DE (1) DE69302047T2 (de)
ES (1) ES2087613T3 (de)
IT (1) IT1257904B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4404708C2 (de) * 1993-02-15 2000-04-13 Unisia Jecs Corp Ventilsteuer-Vorrichtung für einen Verbrennungskraftmotor
IT1273185B (it) * 1994-05-06 1997-07-07 Fiat Auto Spa Dispositivo di comando di una valvola di un motore a combustione interna con dispositivo di recupero del gioco della punteria
JP3435612B2 (ja) * 1994-06-09 2003-08-11 日産自動車株式会社 内燃機関の弁装置
JPH084505A (ja) * 1994-06-17 1996-01-09 Yamaha Motor Co Ltd エンジンの動弁装置
IT1268193B1 (it) * 1994-12-22 1997-02-21 Fiat Auto Spa Dispositivo di comando di una valvola di un motore a combustione interna
DE19624230C1 (de) * 1996-06-18 1997-07-10 Porsche Ag Ventilsteuerung für Brennkraftmaschinen
DE19641418A1 (de) * 1996-10-08 1998-04-09 Bayerische Motoren Werke Ag Steuernocken für eine ventilgesteuerte Brennkraftmaschine
DE60004412T2 (de) * 1999-02-05 2004-06-24 Unisia Jecs Corp., Atsugi Variable Ventilsteuerungseinrichtung für eine Brennkraftmaschine
NO316653B1 (no) * 2000-09-15 2004-03-22 Nat Oilwell Norway As Anordning ved stempelmaskin og fremgangsmate til bruk ved styring av stemplene
ITTO20020234A1 (it) * 2002-03-15 2003-09-15 Fiat Ricerche Motore pluricilindrico a combustione interna con dispositivo idraulico a controllo elettronico per l'azionamento variabile delle valvole e d
WO2004074644A2 (en) * 2003-02-14 2004-09-02 Jesel, Inc. Valve train and cam lobe
AT413853B (de) * 2004-03-09 2006-06-15 Avl List Gmbh Ventilbetätigungseinrichtung
US7600337B2 (en) * 2005-09-13 2009-10-13 Taser International, Inc. Systems and methods for describing a deployment unit for an electronic weapon
US8256461B1 (en) * 2009-01-30 2012-09-04 Aspen Research, Ltd Distribution valve and cam mechanism
CN102536372A (zh) * 2010-12-15 2012-07-04 朱譞晟 连续可变气门正时的非对称正时设计方法
CN102661223B (zh) * 2012-05-02 2013-10-30 哈尔滨工程大学 一种靴形型线凸轮
GB2519600B (en) * 2013-10-28 2018-09-12 Jaguar Land Rover Ltd Gasoline Engine Knock Control
GB2563064B (en) * 2017-06-02 2022-05-18 Camcon Auto Ltd Valve actuators
CN109736914A (zh) * 2018-12-11 2019-05-10 江苏三能动力总成有限公司 一种发动机凸轮轴系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357151A (fr) * 1963-03-07 1964-04-03 Le Moteur Moderne S A R L Poussoir d'admission de moteurs à retombée hydraufique
US3272189A (en) * 1965-05-03 1966-09-13 Eaton Yale & Towne Camshaft for internal combustion engine valve gear
FR2359967A1 (fr) * 1976-07-29 1978-02-24 Chrysler France Procede et dispositif de commande de soupape pour moteur a combustion interne
FR2448032A1 (fr) * 1979-02-05 1980-08-29 Semt Procede pour ameliorer le rendement d'un moteur a combustion interne notamment suralimente
JPS5943911A (ja) * 1982-09-03 1984-03-12 Toyota Motor Corp 内燃機関用カム
EP0243339B1 (de) * 1986-04-21 1992-06-03 Robert Bosch Ag Nockenwelle
JPS63192908A (ja) * 1987-02-05 1988-08-10 Mazda Motor Corp エンジンの動弁装置
CA1326183C (en) * 1988-03-03 1994-01-18 Hiroshi Shirai Valve operating device for use in internal combustion engine
DE3913530A1 (de) * 1988-05-10 1989-11-23 Volkswagen Ag Einrichtung zur ventilbetaetigung
IT1240107B (it) * 1990-02-16 1993-11-27 Ferrari Spa Sistema di distribuzione variabile, in particolare per un motore endotermico.
US5136887A (en) * 1990-05-29 1992-08-11 Clemson University Variable valve actuating apparatus
GB9018558D0 (en) * 1990-08-23 1990-10-10 Ricardo Group Plc Valve gear for internal combustion engines

Also Published As

Publication number Publication date
ITTO920525A1 (it) 1993-12-19
ITTO920525A0 (it) 1992-06-19
EP0574867A1 (de) 1993-12-22
US5309872A (en) 1994-05-10
DE69302047T2 (de) 1996-08-29
EP0574867B1 (de) 1996-04-03
ES2087613T3 (es) 1996-07-16
IT1257904B (it) 1996-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee