BR0106481A - Sistema de transmissão para um veìculo motorizado - Google Patents

Sistema de transmissão para um veìculo motorizado

Info

Publication number
BR0106481A
BR0106481A BR0106481-9A BR0106481A BR0106481A BR 0106481 A BR0106481 A BR 0106481A BR 0106481 A BR0106481 A BR 0106481A BR 0106481 A BR0106481 A BR 0106481A
Authority
BR
Brazil
Prior art keywords
transmission system
motor vehicle
actuator
chambers
pressurized fluid
Prior art date
Application number
BR0106481-9A
Other languages
English (en)
Inventor
Giuseppe Medico
Original Assignee
Magneti Marelli Powertrain 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 Magneti Marelli Powertrain Spa filed Critical Magneti Marelli Powertrain Spa
Publication of BR0106481A publication Critical patent/BR0106481A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Structure Of Transmissions (AREA)

Abstract

"SISTEMA DE TRANSMISSãO PARA UM VEìCULO MOTORIZADO". Sistema de transmissão para um veículo motorizado, que compreende um único acionador de duplo efeito (12), utilizado para engatar/liberar as marchas, compreende um pistão (17) que é móvel com movimento recíproco e possui áreas diferentes (A; A/2) que ficam de frente para a primeira (20) e segunda (19) câmaras do acionador. As primeira e segunda câmaras são fornecidas, respectivamente, diretamente por uma fonte de fluido pressurizado e por uma válvula (36) do tipo proporcional, que é interposta entre a fonte de fluído pressurizado e o acionador (Figura 1).
BR0106481-9A 2000-12-22 2001-12-19 Sistema de transmissão para um veìculo motorizado BR0106481A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2000TO001206A ITTO20001206A1 (it) 2000-12-22 2000-12-22 Sistema di trasmissione per veicolo a motore.

Publications (1)

Publication Number Publication Date
BR0106481A true BR0106481A (pt) 2002-08-13

Family

ID=11458322

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0106481-9A BR0106481A (pt) 2000-12-22 2001-12-19 Sistema de transmissão para um veìculo motorizado

Country Status (4)

Country Link
US (1) US20020094901A1 (pt)
EP (1) EP1217265A1 (pt)
BR (1) BR0106481A (pt)
IT (1) ITTO20001206A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2019230A1 (en) * 2007-07-25 2009-01-28 MAGNETI MARELLI POWERTRAIN S.p.A. Servo-assisted mechanical gearbox with hydraulic actuation of the synchronizers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62266254A (ja) * 1986-05-10 1987-11-19 Toyota Motor Corp 車両用自動変速機の油圧制御装置
GB2309494B (en) * 1995-09-12 2000-04-19 Luk Getriebe Systeme Gmbh Motor vehicle with an apparatus for the actuation of the torque transmitting system and of the transmission
US5661998A (en) * 1996-02-06 1997-09-02 Eaton Corporation Three-position actuator piston assembly and actuator system utilizing same
FR2756597B1 (fr) * 1996-12-03 2000-03-24 Renault Verin a double effet perfectionne et dispositif de robotisation d'une boite de vitesses comportant un tel verin
DE19941011A1 (de) * 1999-08-28 2001-05-10 Volkswagen Ag Verfahren bzw. Vorrichtung zur Steuerung des Ausrückens eines in einem Kraftfahrzeuggetriebe vorgesehenen Kupplungsgliedes

Also Published As

Publication number Publication date
ITTO20001206A1 (it) 2002-06-22
US20020094901A1 (en) 2002-07-18
EP1217265A1 (en) 2002-06-26
ITTO20001206A0 (it) 2000-12-22

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]