Electrically controlled pressurized fluid actuated X-Y shifting

Details Electrically controlled pressurized fluid actuated X-Y shifting Electrically controlled pressurized fluid actuated X-Y shifting

1988-10-24

1990-02-13

Herrmann, Allan D.

Machine element or mechanism

Gearing

Interchangeably locked

74364, 74365, 74473R, F16H 578, F16H 580, G05G 912

Patent

active

048996076

ABSTRACT:
An electrically controlled, fluidly actuated X-Y type shifting mechanism (30) for cooperation with a mechanical change gear transmission shift bar housing assembly (10) normally controlled by a manual shift lever is provided. The mechanism (30) includes a housing (32) having a single pressurized fluid connection (52) and a single electrical connection assembly (50) which is mounted to a shift bar housing assembly normally receiving a shift lever lower. A shift finger (38) extends into the shift bar housing for cooperation with the shift rail (12, 14, 16) shift blocks (24, 26, 28) and is positioned by two transversely mounted, axially movable shafts (68, 110). Each of shafts is axially positioned in a selected one of three selectable axial position by piston/cylinder assemblies (46, 42) controlled by six three-way, two-position electrically operated valves (150, 152, 154, 156, 158, 160).

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patent: 4690008 (1987-09-01), Klatt

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