Stepless infinite variable speed motor

Details Stepless infinite variable speed motor Stepless infinite variable speed motor

1980-09-02

1983-05-03

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Radially disposed cylinders

417221, 92 121, F01B 1306

Patent

active

043817009

ABSTRACT:
A fluid actuated device for driving a shaft at variable speed-torque ratios, said device including a casing, a shaft mounted for rotary motion in said casing, a radial piston drive assembly in said casing connected to said shaft, a plurality of pistons mounted for radial motion in said assembly, a plurality of pairs of cam elements positioned in said casing to define cycles of motion for said pistons and a cam lifter ring positioned to control the position of said cam elements, the position of said cam elements determining the operating speed-torque available at the shaft.

REFERENCES:
patent: 2929334 (1960-03-01), Panhard
patent: 3165069 (1965-01-01), Adamek
patent: 3338168 (1967-08-01), Davis
patent: 4195553 (1980-04-01), Klie

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