Control system for an automobile drive

Details Control system for an automobile drive Control system for an automobile drive

1981-03-10

1984-03-27

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74877, 74731, 74732, 74752C, B60K 4110

Patent

active

044386656

ABSTRACT:
A control system for a hydrodynamic-mechanical transmission of the type having a by-pass clutch to by-pass the hydrodynamic torque converter includes a main control valve to disengage the forward gear clutch element and thereby the engine from the driving wheels when the accelerator pedal is released. At the same time, the main control valves causes the by-pass clutch, if engaged, to disengage. When the accelerator pedal is depressed, the forward gear clutch element re-engages as well as the by-pass clutch, but since the by-pass clutch is still disengaged at the time the forward gear clutch element re-engages, the jerking motion that may otherwise occur is absorbed in the hydrodynamic torque converter.

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patent: 4095486 (1978-06-01), Ohnuma
patent: 4313353 (1982-02-01), Honig
patent: 4331045 (1982-05-01), Piech et al.

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