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

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

1986-11-17

1988-07-26

Wright, Dirk

Machine element or mechanism

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

Preselected indexed position

74867, 3644241, B60K 4118, B60K 4112

Patent

active

047592362

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 of the transmission. When a throttle valve of an engine is rapidly opened, 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: 4475416 (1984-10-01), Underwood
patent: 4522086 (1985-06-01), Haley
patent: 4579021 (1986-04-01), Yamamuro et al.
patent: 4590561 (1986-05-01), Abo et al.
patent: 4638689 (1987-01-01), Sakai
patent: 4663991 (1987-05-01), Nakamura et al.
patent: 4669336 (1987-06-01), Okada et al.
patent: 4672864 (1987-06-01), Morimoto
patent: 4680990 (1987-07-01), Ohgami

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