ITBO20030347A1 - Sistema di distribuzione ad alzata variabile per un motore endotermico. - Google Patents

Sistema di distribuzione ad alzata variabile per un motore endotermico.

Info

Publication number
ITBO20030347A1
ITBO20030347A1 ITBO20030347A ITBO20030347A1 IT BO20030347 A1 ITBO20030347 A1 IT BO20030347A1 IT BO20030347 A ITBO20030347 A IT BO20030347A IT BO20030347 A1 ITBO20030347 A1 IT BO20030347A1
Authority
IT
Italy
Prior art keywords
distribution system
variable lift
lift distribution
endothermal
motor
Prior art date
Application number
Other languages
English (en)
Inventor
Ennio Ascari
Original Assignee
H P E High Performance Engineering Srl
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 H P E High Performance Engineering Srl filed Critical H P E High Performance Engineering Srl
Priority to ITBO20030347 priority Critical patent/ITBO20030347A1/it
Priority to EP04102518A priority patent/EP1484479A3/en
Publication of ITBO20030347A1 publication Critical patent/ITBO20030347A1/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
    • F01L13/0021—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 rocker arm ratio
    • F01L13/0026—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 rocker arm ratio by means of an eccentric
    • 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
    • F01L1/18—Rocking arms or levers
    • 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
    • F01L13/0021—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 rocker arm ratio
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/032—Electric motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
ITBO20030347 2003-06-06 2003-06-06 Sistema di distribuzione ad alzata variabile per un motore endotermico. ITBO20030347A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITBO20030347 ITBO20030347A1 (it) 2003-06-06 2003-06-06 Sistema di distribuzione ad alzata variabile per un motore endotermico.
EP04102518A EP1484479A3 (en) 2003-06-06 2004-06-04 Variable-lift timing system for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20030347 ITBO20030347A1 (it) 2003-06-06 2003-06-06 Sistema di distribuzione ad alzata variabile per un motore endotermico.

Publications (1)

Publication Number Publication Date
ITBO20030347A1 true ITBO20030347A1 (it) 2004-12-07

Family

ID=33156326

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO20030347 ITBO20030347A1 (it) 2003-06-06 2003-06-06 Sistema di distribuzione ad alzata variabile per un motore endotermico.

Country Status (2)

Country Link
EP (1) EP1484479A3 (it)
IT (1) ITBO20030347A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20050326A1 (it) 2005-05-12 2006-11-13 Luigi Conti Motore a combustione interna con valvole ad alzata variabile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE370440A (it) *
FR2472078A1 (fr) * 1979-12-21 1981-06-26 Baguena Michel Distribution variable pour moteur a quatre temps
JPS60228717A (ja) * 1984-04-27 1985-11-14 Suzuki Motor Co Ltd ４サイクルエンジンのバルブリフト可変装置
JP2944264B2 (ja) * 1991-07-23 1999-08-30 株式会社ユニシアジェックス 内燃機関の動弁装置
DE10106921A1 (de) 2001-02-15 2002-08-22 Bayerische Motoren Werke Ag Verfahren zum Synchronisieren der Füllung von Zylindern einer Brennkraftmaschine, insbesondere eines Hubkolben-Verbrennungsmotors
DE10117584A1 (de) * 2001-04-07 2002-10-10 Willi Roth Vorrichtung zum stufenlosen variieren des Hubes der Gaswechselventile von Verbrennungsmotoren
DE10136612A1 (de) * 2001-07-17 2003-02-06 Herbert Naumann Variable Hubventilsteuerungen

Also Published As

Publication number Publication date
EP1484479A3 (en) 2005-08-24
EP1484479A2 (en) 2004-12-08

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