Method and apparatus for reducing jolt in vehicle automatic tran

Details Method and apparatus for reducing jolt in vehicle automatic tran Method and apparatus for reducing jolt in vehicle automatic tran

1978-01-16

1980-09-16

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

74861, B60K 1712

Patent

active

042222923

ABSTRACT:
In order to be able to reduce the jolt produced by the transmission going into gear when the vehicle is standing still or moving only slowly, the shifting of the gear range selector lever from neutral gear into any drive range gear is caused to operate magnetic valves controlling the automatic transmission to set the transmission in the highest gear for a very brief period, enough to reduce the jolt, but not enough to interfere with the normal progress of automatic gear shifting.

REFERENCES:
patent: 2986045 (1961-05-01), Peras
patent: 3621735 (1971-11-01), Lemieux
patent: 3640156 (1972-02-01), Mori et al.
patent: 3724293 (1973-04-01), Wakamatsu
patent: 3732753 (1973-05-01), Olsen
patent: 3738182 (1973-06-01), Kubo et al.
patent: 3738196 (1973-06-01), Kubo et al.
patent: 3750495 (1973-08-01), Ito et al.
patent: 3805640 (1974-04-01), Schneider et al.
patent: 4026169 (1977-05-01), Kuhnle et al.

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