Control for high speed directional shift

Details Control for high speed directional shift Control for high speed directional shift

1996-12-18

1999-04-13

Marmor, Charles A.

Machine element or mechanism

Gearing

Interchangeably locked

74335, F16H 5904

Patent

active

058932941

ABSTRACT:
A method for controlling automatically controlling the shifting of a transmission when operating the higher speeds so that a downshift is performed before a directional shift is made. A controller receives a directional signal, a mode signal, a transmission output speed signal. The signals and a shift sequence table is used to shift the transmission when the machine has reached an "on speed" point. The controller will perform a shift after a predetermined time without the machine reaching the "on speed" point.

REFERENCES:
patent: 4768636 (1988-09-01), Ito et al.
patent: 4991455 (1991-02-01), Bulgrien
patent: 5305657 (1994-04-01), Bray et al.
patent: 5353662 (1994-10-01), Vaughters
patent: 5587905 (1996-12-01), Yesel et al.
patent: 5636120 (1997-06-01), Yesel et al.

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