Control device for automatic transmission

Details Control device for automatic transmission Control device for automatic transmission

1979-12-21

1982-08-31

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

74856, 74861, 74867, 74869, B60K 4106, B60K 4110

Patent

active

043466265

ABSTRACT:
The control device for automatic transmissions with an overdrive mechanism engages the brake of the overdrive mechanism while the shift control valve of the hydraulic control device is in the N-position (neutral), so that when the shift lever is shifted from the N-position to the D-position or R-position, the overdrive mechanism is momentarily set for overdrive thereby reducing shocks upon manually shifting.

REFERENCES:
patent: 3525275 (1970-08-01), Lemieux
patent: 3691872 (1972-09-01), Schaefer
patent: 3709064 (1973-01-01), Schaefer
patent: 3709066 (1973-01-01), Burcz
patent: 3724292 (1973-04-01), Borman
patent: 3797330 (1974-03-01), Ushijima
patent: 3818783 (1974-06-01), Norris et al.
patent: 3823621 (1974-07-01), Kubo et al.
patent: 3832915 (1974-09-01), Hiramatsu
patent: 3886819 (1975-06-01), Lentz
patent: 3938409 (1976-02-01), Uozumi
patent: 3943799 (1976-03-01), Sakai et al.
patent: 4111072 (1978-09-01), Harmon
patent: 4143563 (1979-03-01), Shindo et al.
patent: 4145937 (1979-03-01), Shindo et al.
patent: 4148232 (1979-04-01), Moriya

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