IT1240107B - Sistema di distribuzione variabile, in particolare per un motore endotermico. - Google Patents

Sistema di distribuzione variabile, in particolare per un motore endotermico.

Info

Publication number
IT1240107B
IT1240107B IT67118A IT6711890A IT1240107B IT 1240107 B IT1240107 B IT 1240107B IT 67118 A IT67118 A IT 67118A IT 6711890 A IT6711890 A IT 6711890A IT 1240107 B IT1240107 B IT 1240107B
Authority
IT
Italy
Prior art keywords
distribution system
variable distribution
endothermal engine
endothermal
engine
Prior art date
Application number
IT67118A
Other languages
English (en)
Other versions
IT9067118A0 (it
IT9067118A1 (it
Inventor
Riccardo Rosa
Original Assignee
Ferrari 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 Ferrari Spa filed Critical Ferrari Spa
Priority to IT67118A priority Critical patent/IT1240107B/it
Publication of IT9067118A0 publication Critical patent/IT9067118A0/it
Priority to EP91101989A priority patent/EP0442460A1/en
Priority to JP3042897A priority patent/JP2591539B2/ja
Priority to US07/655,503 priority patent/US5113813A/en
Publication of IT9067118A1 publication Critical patent/IT9067118A1/it
Application granted granted Critical
Publication of IT1240107B publication Critical patent/IT1240107B/it

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
    • F01L13/0015—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
    • F01L13/0063—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 cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
IT67118A 1990-02-16 1990-02-16 Sistema di distribuzione variabile, in particolare per un motore endotermico. IT1240107B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67118A IT1240107B (it) 1990-02-16 1990-02-16 Sistema di distribuzione variabile, in particolare per un motore endotermico.
EP91101989A EP0442460A1 (en) 1990-02-16 1991-02-13 Variable timing system, particularly for an internal combustion engine
JP3042897A JP2591539B2 (ja) 1990-02-16 1991-02-15 特に内燃機関用の、可変タイミング機構
US07/655,503 US5113813A (en) 1990-02-16 1991-02-15 Variable timing system, particularly for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67118A IT1240107B (it) 1990-02-16 1990-02-16 Sistema di distribuzione variabile, in particolare per un motore endotermico.

Publications (3)

Publication Number Publication Date
IT9067118A0 IT9067118A0 (it) 1990-02-16
IT9067118A1 IT9067118A1 (it) 1991-08-16
IT1240107B true IT1240107B (it) 1993-11-27

Family

ID=11299729

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67118A IT1240107B (it) 1990-02-16 1990-02-16 Sistema di distribuzione variabile, in particolare per un motore endotermico.

Country Status (4)

Country Link
US (1) US5113813A (it)
EP (1) EP0442460A1 (it)
JP (1) JP2591539B2 (it)
IT (1) IT1240107B (it)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9003603D0 (en) * 1990-02-16 1990-04-11 Lotus Group Plc Cam mechanisms
FR2663682B1 (fr) * 1990-06-21 1992-10-16 Peugeot Dispositif a amplitude variable pour la levee d'au moins une soupape de moteur a combustion interne.
WO1992019847A1 (en) * 1991-04-24 1992-11-12 Donald Charles Wride Valve control mechanism
JP2986955B2 (ja) * 1991-04-26 1999-12-06 株式会社ユニシアジェックス エンジンの弁作動装置
JP3200131B2 (ja) * 1991-10-23 2001-08-20 株式会社ユニシアジェックス エンジンの弁作動装置
US5239952A (en) * 1991-11-08 1993-08-31 Atsugi Unisia Corporation Valve actuating apparatus
DE4142197A1 (de) * 1991-12-20 1993-04-08 Daimler Benz Ag Kipphebelanordnung fuer einen ventiltrieb mit variabler ventilbetaetigungszeit bei brennkraftmaschinen
IT1257904B (it) * 1992-06-19 1996-02-16 Fiat Ricerche Dispositivo di comando di una valvola di un motore a combustione interna.
JPH0693817A (ja) * 1992-09-14 1994-04-05 Aisin Seiki Co Ltd エンジンの動弁装置
FR2709150B1 (fr) * 1992-10-16 1996-08-30 Picchi Jean Pierre Dispositif de commande de levée et temps d'ouverture variable d'une soupape.
US5357916A (en) * 1993-12-27 1994-10-25 Chrysler Corporation Valve adjuster mechanism for an internal combustion engine
DE69513320T2 (de) * 1994-04-12 2000-04-13 Unisia Jecs Corp Ventiltrieb für Zylinder von Brennkraftmaschinen
US5832885A (en) * 1994-09-21 1998-11-10 Moyer; David F. Hybrid internal combustion engine
FR2733539B1 (fr) * 1995-04-28 1997-06-13 Renault Dispositif de distribution variable pour moteur a combustion interne
US5524580A (en) * 1995-05-11 1996-06-11 Eaton Corporation Adjusting mechanism for a valve control system
DE19681086D2 (de) * 1995-12-11 1997-12-11 Fev Motorentech Gmbh & Co Kg Einrichtung zur Betätigung von Ventilen an einer Kolbenmaschine mit veränderbarem Ventilhub, insbesondere einer Kolbenbrennkraftmaschine
US5666913A (en) * 1996-05-29 1997-09-16 Cummins Engine Company, Inc. Variable timing cam follower lever assembly
IT1302701B1 (it) * 1998-10-20 2000-09-29 Eaton Automotive Spa Dispositivo a bilanciere per il controllo contemporaneo dell'alzatadelle valvole e della relativa fasatura in un motore a scoppio.
US6357406B1 (en) 2000-11-22 2002-03-19 Borgwarner Inc. Variable valve actuation system
DE10147293A1 (de) * 2001-09-26 2003-04-10 Bayerische Motoren Werke Ag Ventilbetätigungselement für ein Gaswechselventil einer Brennkraftmaschine
US7191745B2 (en) * 2002-10-18 2007-03-20 Maclean-Fogg Company Valve operating assembly
US7028654B2 (en) * 2002-10-18 2006-04-18 The Maclean-Fogg Company Metering socket
US6925978B1 (en) * 2004-08-24 2005-08-09 Delphi Technologies, Inc. Two-step roller finger cam follower having angled lock pin
US7305951B2 (en) 2005-05-09 2007-12-11 Delphi Technologies, Inc. Two-step roller finger follower
US7546823B2 (en) * 2005-05-17 2009-06-16 Terry Buelna Variable overhead valve control for engines
CA2555638C (en) 2005-08-15 2009-09-15 Honda Motor Co., Ltd. Lift-variable valve-operating system for internal combustion engine
US7540267B1 (en) * 2007-11-20 2009-06-02 Honda Motor Company, Ltd. Engines with variable valve actuation and vehicles including the same
DE102008027649A1 (de) * 2008-06-10 2009-12-17 Man Diesel Se Ventilbetrieb für eine Brennkraftmaschine
DE102008037158A1 (de) * 2008-08-08 2010-02-11 Schaeffler Kg Ventiltrieb für eine Brennkraftmaschine insbesondere mit Dekompressionsbremse
AU2010363967B2 (en) 2010-11-17 2016-02-11 Volvo Truck Corporation Hinged rocker arm and valve opening arrangement including a hinged rocker arm
CN103443408A (zh) 2011-01-27 2013-12-11 史古德利集团公司 具有阀停用的无效运动可变阀致动系统
EP2668375A2 (en) 2011-01-27 2013-12-04 Scuderi Group, Inc. Lost-motion variable valve actuation system with cam phaser
JP5923978B2 (ja) * 2011-12-28 2016-05-25 スズキ株式会社 内燃機関の可変動弁装置
JP2015506436A (ja) 2012-01-06 2015-03-02 スクデリ グループ インコーポレイテッド ロストモーション可変バルブ作動システム
EP2971636A1 (en) 2013-03-15 2016-01-20 Scuderi Group, Inc. Split-cycle engines with direct injection
JP6083460B2 (ja) * 2015-10-06 2017-02-22 スズキ株式会社 内燃機関の可変動弁装置
JP6187642B2 (ja) * 2016-07-12 2017-08-30 スズキ株式会社 内燃機関の可変動弁装置
EP3734029B1 (en) * 2017-12-28 2022-12-28 Weichai Power Co., Ltd. Valve rocker arm assembly, variable air distribution mechanism, and engine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753197A1 (de) * 1976-12-15 1978-06-22 Eaton Corp Ventilsteuervorrichtung
US4205634A (en) * 1978-02-17 1980-06-03 Tourtelot Edward M Jr Variable valve timing mechanism
JPS5744713A (en) * 1980-08-29 1982-03-13 Mazda Motor Corp Intake-valve system for engine
JPS5979018A (ja) * 1982-10-29 1984-05-08 Isuzu Motors Ltd 内燃機関の動弁装置
US4627391A (en) * 1984-12-24 1986-12-09 General Motors Corporation Engine valve train system
DE3613945A1 (de) * 1985-04-26 1986-10-30 Mazda Motor Corp., Hiroshima Veraenderbarer ventilmechanismus fuer verbrennungsmaschinen
JPS62170711A (ja) * 1986-01-23 1987-07-27 Fuji Heavy Ind Ltd 自動車用エンジンの動弁装置
US4768467A (en) * 1986-01-23 1988-09-06 Fuji Jukogyo Kabushiki Kaisha Valve operating system for an automotive engine
US4771742A (en) * 1986-02-19 1988-09-20 Clemson University Method for continuous camlobe phasing
GB2199894B (en) * 1987-01-08 1990-10-24 Honda Motor Co Ltd Valve operating device in internal combustion engine
US4848180A (en) * 1988-09-06 1989-07-18 Henley Manufacturing Corporation Low-friction, boat-type rocker arm

Also Published As

Publication number Publication date
JPH04219409A (ja) 1992-08-10
JP2591539B2 (ja) 1997-03-19
US5113813A (en) 1992-05-19
IT9067118A0 (it) 1990-02-16
EP0442460A1 (en) 1991-08-21
IT9067118A1 (it) 1991-08-16

Similar Documents

Publication Publication Date Title
IT1240107B (it) Sistema di distribuzione variabile, in particolare per un motore endotermico.
DE69102711T2 (de) Pumpensystem.
DE69300311D1 (de) Thermoelektrisch gekühltes Pumpsystem.
MX9102517A (es) Sistema de juego para construccion.
FI840094A (fi) Foerfarande och system foer fjaerraportering, speciellt foer fakturering vid betalningstelevisionsystem.
FI920078A (fi) Biologiskt nedbrytbara, tygmjukgoerande kompositioner baserade pao pentaerytritolestrar och fria fraon kvaternaera ammoniumfoereningar.
IT8021571A0 (it) Sistema per la convalida di monete.
NO913776L (no) Helfarget, tredimensjonalt fremvisersystem.
DE69206410T2 (de) Abgassystem.
DE69206154D1 (de) Abgassystem.
DE69111776T2 (de) Flüssigkeitsabgabesystem.
TR25535A (tr) Cephane depolama sistemi.
DE69104277T2 (de) Seitenkanal-Kraftstoffpumpe.
FR2664018B1 (fr) Systeme de vanne de derivation.
IT1241185B (it) Sistema di distribuzione, in particolare per un motore endotermico a piu' valvole per cilindro.
IT1241310B (it) Sistema di distribuzione per un motore endotermico
DE69114857D1 (de) Brennstoffsystem.
DE69206412T2 (de) Auspuffsystem.
DE69302623D1 (de) Verbesserungen an vibrationsdämpfenden, hydraulischen Systemen
FI922510A0 (fi) Pao en vattenhaltig vaetska baserad tvaettmedelskomposition med lineaer viskoelastisitet, avsedd foer automatiska diskmaskiner.
IT8820382A0 (it) Dispositivo rafforzatore di rinculo, in particolare per fucili.
IT242177Y1 (it) Dispositivo di aggancio, in particolare per casacche.
FI900403A0 (fi) Pao longitudinalt magnetband inspelande system, magnetbandanordning foer anvaendning i systemet och magnethuvud foer anvaendning i magnetbandanordningen.
ITTO940568A0 (it) Sistema di avviamento per un motore entotermico.
ES1021407Y (es) Aparato para realizar liposucciones, perfeccionado.

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990224