公开(公告)号：US20130312561A1

公开(公告)日：2013-11-28

申请号：US13709630

申请日：2012-12-10

Applicant: C.R.F. Societa Consortile Per Azioni

Inventor： Marco GARABELLO ,  Giancarlo OSELLA ,  Attilio PORTA ,  Gianluigi PREGNOLATO ,  Sara SOTTANO

IPC: F16H61/00

CPC classification number: F16H61/0021 ,  F16H3/006 ,  F16H61/12 ,  F16H61/2807 ,  F16H61/688 ,  F16H2003/0931 ,  F16H2061/1224 ,  F16H2061/1264 ,  F16H2200/0052 ,  F16H2200/0056 ,  Y10T74/19251 ,  Y10T74/20024

Abstract: An electro-hydraulic control apparatus for a motor-vehicle transmission having at least five forward gears and one reverse gear, including first, second and third shift forks, each movable in at least one engagement position to engage a respective gear, first, second and third hydraulic actuators each arranged to control the movement of a respective shift fork in the respective at least one engagement position, and a slide valve selectively movable into one of at least three operating positions in each of which the slide valve selects a respective hydraulic actuator, wherein a first operating position is an end-of-travel position and corresponds to the selection of the first hydraulic actuator, and wherein a second operating position is also an end-of-travel position and corresponds to the selection of the second hydraulic actuator.

Abstract translation: 一种用于机动车辆变速器的电动液压控制装置，其具有至少五个前进档和一个倒档，包括第一，第二和第三换档叉，每个换档叉可在至少一个接合位置中移动以接合相应的齿轮，第一，第二和第二换档叉 第三液压致动器，其被布置成控制相应的换档拨叉在相应的至少一个接合位置中的运动;以及滑阀，其选择性地可移动到至少三个操作位置中的一个，其中滑阀选择相应的液压致动器， 其中第一操作位置是行程结束位置并且对应于第一液压致动器的选择，并且其中第二操作位置也是行程结束位置，并且对应于第二液压致动器的选择。