ES2019664B3 - Control de valvulas por arbol de levas colocado en la culata del motor. - Google Patents

Control de valvulas por arbol de levas colocado en la culata del motor.

Info

Publication number
ES2019664B3
ES2019664B3 ES87830345T ES87830345T ES2019664B3 ES 2019664 B3 ES2019664 B3 ES 2019664B3 ES 87830345 T ES87830345 T ES 87830345T ES 87830345 T ES87830345 T ES 87830345T ES 2019664 B3 ES2019664 B3 ES 2019664B3
Authority
ES
Spain
Prior art keywords
cylinder head
valve control
engine cylinder
camshaft
camshaft placed
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
ES87830345T
Other languages
English (en)
Inventor
Andrea Titolo
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto 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 Fiat Auto SpA filed Critical Fiat Auto SpA
Application granted granted Critical
Publication of ES2019664B3 publication Critical patent/ES2019664B3/es
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
    • 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
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0042—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams being profiled in axial and radial direction
    • 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
    • F01L2307/00—Preventing the rotation of tappets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
ES87830345T 1986-10-07 1987-09-29 Control de valvulas por arbol de levas colocado en la culata del motor. Expired - Lifetime ES2019664B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67759/86A IT1195192B (it) 1986-10-07 1986-10-07 Comando valvole per motori ad alberi a camme in testa

Publications (1)

Publication Number Publication Date
ES2019664B3 true ES2019664B3 (es) 1991-07-01

Family

ID=11305073

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87830345T Expired - Lifetime ES2019664B3 (es) 1986-10-07 1987-09-29 Control de valvulas por arbol de levas colocado en la culata del motor.

Country Status (5)

Country Link
US (1) US4773359A (es)
EP (1) EP0263794B1 (es)
DE (1) DE3767266D1 (es)
ES (1) ES2019664B3 (es)
IT (1) IT1195192B (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850311A (en) * 1988-12-09 1989-07-25 General Motors Corporation Three dimensional cam cardanic follower valve lifter
FR2668797A1 (fr) * 1990-11-05 1992-05-07 Silvetti Gabriel Culasse pour moteurs thermiques avec soupapes a levee variable.
DE4039256C2 (de) * 1990-12-08 1996-05-09 Schaeffler Waelzlager Kg Einrichtung zur gleichzeitigen Betätigung zweier Gaswechselventile einer Brennkraftmaschine
US5159906A (en) * 1991-05-03 1992-11-03 Ford Motor Company Adjustable valve system for an internal combustion engine
DE4117566A1 (de) * 1991-05-29 1992-12-03 Audi Ag Ventilsteuerung fuer eine brennkraftmaschine
DE4124305C2 (de) * 1991-07-23 1997-12-18 Audi Ag Ventiltrieb für eine Brennkraftmaschine
IT1257540B (it) * 1992-05-22 1996-01-30 Ferrari Spa Sistema di comando di valvole per un motore endotermico a fasatura variabile, in particolare un motore con piu' valvole per cilindro.
DE4229186C2 (de) * 1992-09-02 1994-11-03 Steckhan Helmut Prof Dr Ventilsteuerung
DE4230809C2 (de) * 1992-09-02 1995-03-09 Steckhan Helmut Prof Dr Ventilsteuerung für Brennkraftmaschinen
IT1270443B (it) * 1993-02-10 1997-05-05 Fiat Auto Spa Comando di distribuzione a geometria variabile per un motore a combustione interna.
DE4410124A1 (de) * 1994-03-24 1995-09-28 Schaeffler Waelzlager Kg Verdrehsicherung eines Traversenstößels einer Ventilbetätigungseinrichtung einer Brennkraftmaschine
JPH0814013A (ja) * 1994-06-28 1996-01-16 Hino Motors Ltd マルチバルブエンジンのバルブメカニズム
US5988128A (en) * 1997-03-27 1999-11-23 Toyota Jidosha Kabushiki Kaisha Valve driving apparatus for engine
JPH10299445A (ja) * 1997-04-18 1998-11-10 Otix:Kk 可変動弁機構
JP2000104570A (ja) * 1998-09-28 2000-04-11 Toyota Motor Corp 内燃機関の回転数制御装置
GB2359608B (en) * 1998-10-30 2002-06-19 Christopher Paulet Mel Walters Engine with offset cam follower-valve stem arrangement
JPWO2003074845A1 (ja) * 2002-03-04 2005-06-30 エーシーイーテック有限会社 内燃機関の可変動弁装置
WO2005003524A1 (en) * 2003-06-30 2005-01-13 Walters Christopher Paulet Mel Valve gear
DE602005025880D1 (de) * 2005-10-11 2011-02-24 Eaton Srl Rollenschlepphebel mit Ventilbrücke als integraler Bestandteil des Rollenschlepphebels
DE102006058093A1 (de) * 2006-12-09 2008-06-12 Schaeffler Kg Ventiltrieb
DE102007020108A1 (de) 2007-04-28 2008-10-30 Schaeffler Kg Raumnockenventiltrieb mit einem Nockenfolger zur Ausführung einer Schwenk- oder Kippbewegung um eine Bewegungsachse im Zylinderkopf einer Brennkraftmaschine
CN103352736A (zh) * 2013-07-11 2013-10-16 浙江大学 一种连续可变气门升程机构
DE102014016126A1 (de) * 2014-10-30 2016-05-04 Man Diesel & Turbo Se Brennkraftmaschine und Ventiltrieb für eine Brennkraftmaschine
US11220933B2 (en) 2020-05-04 2022-01-11 Caterpillar Inc. Valve lifter anti-rotation device having cantilever bridge
US11236642B2 (en) 2020-05-04 2022-02-01 Caterpillar Inc. Valve lifter anti-rotation device and valve lifter assembly in valve actuation system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB132070A (en) * 1917-09-29 1919-09-11 Alessandro Anzani Improvements relating to the Valves of Internal Combustion Engines.
US1836111A (en) * 1925-03-23 1931-12-15 Fiat Spa Means for simultaneously operating the valves in internal combustion engines
GB253799A (en) * 1925-11-24 1926-06-24 Guido Fornaca Improved valve mechanism for internal combustion engines
GB354116A (en) * 1929-11-08 1931-08-06 Marius Jean Baptiste Barbarou Improvements in valve actuating devices for internal combustion engines
FR684654A (fr) * 1929-11-08 1930-06-30 Dispositif perfectionné de commande des soupapes
GB465540A (en) * 1936-01-31 1937-05-10 Fairey Aviat Co Ltd Improvements in or relating to valve mechanism for internal combustion engines
IT1156204B (it) * 1982-10-12 1987-01-28 Fiat Auto Spa Sistema di punteria per motori con alberi a camme a profilo verticale
IT1159352B (it) * 1983-02-04 1987-02-25 Fiat Auto Spa Dispositivo di regolazione della posizione assiale di un albero a camme a profilo variabile particolarmente per il comando della distribuzione di un motore
DE3313225A1 (de) * 1983-04-13 1984-10-18 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Ventilsteuerung fuer eine hubkolben-brennkraftmaschine
FR2553823B3 (fr) * 1983-10-25 1986-01-03 Renault Poussoir de soupape pour moteurs a combustion interne et arbres a cames en tete

Also Published As

Publication number Publication date
US4773359A (en) 1988-09-27
DE3767266D1 (de) 1991-02-14
EP0263794A1 (en) 1988-04-13
EP0263794B1 (en) 1991-01-09
IT8667759A0 (it) 1986-10-07
IT1195192B (it) 1988-10-12

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