Automatic transmission line pressure control

Details Automatic transmission line pressure control Automatic transmission line pressure control

1979-07-02

1981-08-18

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

74861, 74862, B60K 4106, B60K 4110

Patent

active

042839700

ABSTRACT:
A line pressure regulator for a vehicular, automatic shift, multi-gear ratio transmission. An electrical signal indicative of the desired pressure is developed as a function of engine throttle and vehicle speed. The signal is continually modified by a stored correction amount, and a line pressure is generated in accordance with the modified signal so that actual and desired values of an output result from which the correction amount is calculated substantially correspond.

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patent: 4116321 (1978-09-01), Miller
patent: 4198882 (1980-04-01), Kiencke et al.

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