Oil pressure controller for continuously variable transmission

Details Oil pressure controller for continuously variable transmission Oil pressure controller for continuously variable transmission

1997-11-19

1999-05-11

Marmor, Charles A.

Friction gear transmission systems or components

Fluid control

Of toroidal transmission

475127, 477 50, F16H61/30

Patent

active

059022078

ABSTRACT:
Two speed change units of a continuously variable transmission for a vehicle are accommodated in chambers partitioned by an intermediate wall in a casing. Oil pan is fitted to the underside of the casing in order to store lubricating oil for the units. A strainer for filtering the lubricating oil is disposed in the oil pan. A controller comprising a control valve driven by an actuator via a speed change link, a cam and a feedback link is provided for controlling the speed change ratio of the speed change units. The actuator is disposed further towards the rear of the vehicle body than the intermediate wall. The control valve, feedback link and cam are disposed further towards the front of the vehicle body than the intermediate wall. This arrangement avoids the interference of the actuator and the strainer.

REFERENCES:
patent: 5136890 (1992-08-01), Hibi et al.
patent: 5464375 (1995-11-01), Nakano

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