System for controlling the pressure of oil in a system for conti

Details System for controlling the pressure of oil in a system for conti System for controlling the pressure of oil in a system for conti

1986-11-10

1988-03-29

Novosad, Stephen J.

Endless belt power transmission systems or components

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

Fluid pressure actuator for adjustment of member

474 18, 74867, F16H 1104

Patent

active

047340827

ABSTRACT:
A control system for a motor vehicle provided with a continuously variable transmission. The transmission has a line pressure control valve having ports and a spool for controlling the line pressure of oil supplied to a cylinder of a pulley device to change the transmission ratio. When torque of an engine is rapidly increased, the line pressure is increased so as to prevent a belt of the pulley device from slipping.

REFERENCES:
patent: 4369675 (1983-01-01), van Deursen
patent: 4458318 (1984-07-01), Smit et al.
patent: 4459879 (1984-07-01), Miki et al.
patent: 4601680 (1986-07-01), Tokoro et al.

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