Electronic control system for control of electronic electric shi

Details Electronic control system for control of electronic electric shi Electronic control system for control of electronic electric shi

1987-10-15

1989-04-18

Wright, Dirk

Machine element or mechanism

Gearing

Interchangeably locked

74336R, B60K 2010, F16H 542

Patent

active

048215902

ABSTRACT:
The present invention is an electrical control apparatus for control of a manual transmission apparatus in a motor vehicle. The transmission state is selected by clockwise or counter-clockwise motion of a shift select lever via a first motor and forward or rearward motion of the shift select lever via a second motor. The electrical control apparatus includes first set of microswitches for indicating the left, center, right location of the shift select lever, and a second set of microswitches for indicating the forward, neutral or rearward location of the shift select lever. A logic control unit generates a sequence of motor drive signals corresponding to the sequence of motions required for movement of the shift select lever from the present transmission state to the desired transmission state. The control apparatus also includes a motor drive circuit for controlling the first and second motors in response the sequence of drive signals.

REFERENCES:
patent: 3664470 (1972-05-01), Beech et al.
patent: 3682013 (1972-08-01), Asbery
patent: 4428248 (1984-01-01), Brouckson et al.
patent: 4570502 (1986-02-01), Klatt
patent: 4570765 (1986-02-01), Makita
patent: 4619151 (1986-10-01), Trachman et al.
patent: 4621328 (1986-11-01), Arai et al.
patent: 4732055 (1988-03-01), Tateno et al.

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