Adaptive control system for automatic transmission

Details Adaptive control system for automatic transmission Adaptive control system for automatic transmission

1974-06-14

1976-05-18

Scott, Samuel

Machine element or mechanism

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

Preselected indexed position

74752A, 192103C, B60K 4118, F16H 374, F16D 4306

Patent

active

039569470

ABSTRACT:
A control system for an automatic transmission of the type having an input shaft assembly, an output shaft assembly, a plurality of power transmitting gear assemblies connecting the input shaft assembly and output shaft assembly and adapted to be coupled to provide various ratios between input and output shaft assembly rotation, engaging devices for effecting changes in the ratios provided by the power transmitting gear assemblies, and servos for operating the engaging devices. Pressure regulating devices are provided for controlling the application of pressurized fluid to the servo means, and control apparatus is provided which is responsive to the rate of change of rotational speed, i.e., acceleration, of at least one of the rotatable components of the assemblies to control the output torque of the transmission during a shift from one ratio to another.

REFERENCES:
patent: 3321056 (1967-05-01), Winchell et al.
patent: 3448640 (1969-06-01), Nelson
patent: 3650162 (1972-03-01), Leising et al.
patent: 3684066 (1972-08-01), Kubo et al.
patent: 3713351 (1973-01-01), Sakakibara et al.
patent: 3719096 (1973-03-01), Sprague et al.
patent: 3747438 (1973-07-01), Toyoda et al.
patent: 3754482 (1973-08-01), Sanders et al.

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