Electronic transmission shift controller having a controlled ali

Details Electronic transmission shift controller having a controlled ali Electronic transmission shift controller having a controlled ali

1983-08-26

1986-08-05

Staab, Lawrence

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74866, 74752A, B60K 4122

Patent

active

046036032

ABSTRACT:
The drive establishing mechanisms of a multigear ratio transmission are actuated according to a predetermined schedule with an electronically operated two member valve mechanism. Gear shifting is effected by producing relative movement between the valve members and a pair of electrically regulated fluid pressure mechanisms which control the fluid supply and exhaust pressures for all of the drive establishing mechanisms.

REFERENCES:
patent: 3016769 (1962-01-01), Christenson et al.
patent: 3101012 (1963-08-01), Christenson et al.
patent: 3602055 (1971-08-01), Hause
patent: 3732753 (1973-05-01), Olsen et al.
patent: 3733931 (1973-05-01), Nyman et al.
patent: 4326433 (1982-04-01), Black et al.
patent: 4338832 (1982-07-01), Pelligrino
patent: 4345489 (1982-08-01), Muller et al.

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