Device for controlling a plurality of hydraulic shift cylinders and hydraulic supply system

Device for controlling a plurality of hydraulic shift cylinders and hydraulic supply system

  • CN 1,696,542 A
  • Filed: 05/16/2005
  • Published: 11/16/2005
  • Est. Priority Date: 05/15/2004
  • Status: Active Application
First Claim
Patent Images

1. be used to control the device of the operation cylinder that a plurality of hydraulic shift cylinders (SZ1-SZ8), especially dual-clutch transmission gear shift use, comprise:

  • First guiding valve (64), it has system pressure input end (94), two output terminals (100 that a control input end (96) that can be loaded by pilot pressure, can be loaded by system pressure,

         102) and at least one backflow output terminal (98), wherein a described output terminal is connected with this system pressure input end and described another output terminal is connected with this backflow output terminal according to being applied to pressure on this control input end;

    AndA control valve unit (66,68 that is connected the guiding valve output terminal;

    104;

         116), can operate these operation cylinders selectively by this control valve unit.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×