Infinitely variable cone pulley gear

Details Infinitely variable cone pulley gear Infinitely variable cone pulley gear

1977-09-29

1979-11-06

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7423017M, F16H 5552

Patent

active

041731565

ABSTRACT:
A fully hydraulic control mechanism for an infinitely variable cone pulley gear. The torque is transmitted by the intermediary of an oil cushion in a coupling between a driving and a driven element providing for a torque-dependent oil pressure in an oil circuit. The oil circuit delivers pressure on surfaces of different size of axially movable discs for primary and secondary cone pairs between which a transmission belt is running.
The oil circuit leads from the primary to the secondary cone pair through a pressure reduction device which is under speed-ratio progressive control.

REFERENCES:
patent: 2911838 (1959-11-01), McGrath
patent: 2993385 (1961-07-01), Karig et al.
patent: 3137178 (1964-06-01), Bruet
patent: 3195368 (1965-07-01), Boudewijn
patent: 3491609 (1970-01-01), Henriksen
patent: 3596528 (1971-08-01), Dittrich et al.
patent: 3600960 (1971-08-01), Karig et al.
patent: 3600961 (1971-08-01), Rattunde et al.
patent: 3782213 (1974-01-01), Rattunde
patent: 4094203 (1978-06-01), Van Deursen et al.

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