Transmission ratio control arrangement for a precess cam control

Details Transmission ratio control arrangement for a precess cam control Transmission ratio control arrangement for a precess cam control

1981-09-11

1984-03-06

Staab, Lawrence J.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74199, 74201, F16H 1508

Patent

active

044346751

ABSTRACT:
A transmission ratio control arrangement for a precess cam controlled infinitely variable traction roller transmission in which motion transmitting traction rollers are arranged between, and in frictional engagement with, toric discs mounted on input and output shafts, the traction rollers are supported on pivotal support structures which are axially movable for changing the transmission ratio by hydraulic operating structures disposed adjacent the traction roller support structures which have cam faces associated for movement therewith and cam followers disposed adjacent said cam faces and associated with servo valves for admitting pressurized fluid to and releasing it from, said hydraulic operating structures for adjustment of the transmission ratio.

REFERENCES:
patent: 3048047 (1962-08-01), Richardson
patent: 3810398 (1974-05-01), Kraus
patent: 3828618 (1974-08-01), Sharpe et al.
patent: 4056989 (1977-11-01), Shaffer
patent: 4086820 (1978-05-01), Kraus et al.
patent: 4126052 (1978-11-01), Jackman
patent: 4275610 (1981-06-01), Kraus

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