Apparatus for controlling continuously variable transmission

Details Apparatus for controlling continuously variable transmission Apparatus for controlling continuously variable transmission

1984-09-25

1987-02-10

Levy, Stuart S.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Speed responsive

474 28, F16H 1106

Patent

active

046420681

ABSTRACT:
A continuously variable transmission (hereinafter called CVT) comprises input pulleys, output pulleys and a belt which is trained over the input and output pulleys to transmit a driving torque. Line pressure is used for a force of the pulleys pressed against the belt on the input or output pulleys. The line pressure is adjusted in relation to engine torque which is calculated on the basis of engine speed, an intake throttle position and atmospheric pressure. The line pressure is alternatively adjusted in relation to the atmospheric pressure which is detected from the feedback correction of fuel injection.

REFERENCES:
patent: 4023425 (1977-05-01), Parker
patent: 4161894 (1979-07-01), Giacosa
patent: 4462275 (1984-07-01), Mohl

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