Control arrangement for automatic automotive transmission

Details Control arrangement for automatic automotive transmission Control arrangement for automatic automotive transmission

1991-11-18

1993-09-28

Bonck, Rodney H.

Machine element or mechanism

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

Preselected indexed position

475118, B60K 4118

Patent

active

052478572

ABSTRACT:
In order to attenuate the occurrence of a double select shock which results from the use a first one-way clutch which is used in a first gear train and is involved in the generation of lowest speed thereof, and a second one-way clutch in an auxiliary gear train which is arranged between the main gear train and the final drive, the vehicle speed is sensed and while it is below a predetermined low value, a friction element which is arranged in parallel with the second one-way clutch is engaged. Above the predetermined low value the friction element engagement is maintained in the event that an engine braking demand signal is present.

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patent: 5088353 (1992-02-01), Yoshida
patent: 5097723 (1992-03-01), Hayasaki
patent: 5097724 (1992-03-01), Braun
patent: 5113722 (1992-05-01), Iizuka

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