Automatic control device of an infinitely variable transmission

Details Automatic control device of an infinitely variable transmission Automatic control device of an infinitely variable transmission

1980-08-22

1983-01-18

Michalsky, Gerald A.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

60441, 60444, 60448, 60449, 192103F, 192 8714, 192 0098, B60K 4112

Patent

active

043687989

ABSTRACT:
A hydrostatic transmission coupled with a gear transmission for operating a motor vehicle driven by an internal combustion engine has its accelerator pedal connected to the throttle valve of the engine and to the servovalve of the stepless hydrostatic transmission via an engine characteristic storage which modulates the accelerator travel signal applied to the servovalve to optimize the fuel consumption. The servovalve also receives input from an electric signal comparator which compares the engine speed with an output signal from the output unit of the hydrostatic transmission or the output shaft of the gear transmission.

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