Patent ID: 9587737
Date: 2017-03-07
CPC Classifications: F16H

Claim:
1. A method for operating a transmission device including plural gear selectors, each having a gear selector piston operatively connected to a shifting fork of the transmission device and arranged in a gear selector cylinder to divide the gear selector cylinder into first and second pressure chambers, a gear selector valve movable to a first shift position in which the first pressure chamber is in flow connection to a common feed line, a second shift position in which the second pressure chamber is in flow connection to the common feed line, and a neutral position in which none of the pressure chambers has a flow connection to the common feed line, and a shifting valve movable to a first operating position in which the feed line is in flow connection to a common pressure source, and a second operating position in which the flow connection between the feed line and the common pressure source is cut, said method comprising: executing a pressure test when switching from a standby mode in which the gear selector valve assumes the neutral position, to a power saving mode in which at least a plurality of the gear selector valves of the gear selectors are de-energized, said pressure test comprising: