Multiple fail operational rotary actuator with series mounted mo

Details Multiple fail operational rotary actuator with series mounted mo Multiple fail operational rotary actuator with series mounted mo

1991-09-30

1992-10-06

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

60716, 74661, 192 136, F01B 2100, B60K 4120

Patent

active

051523817

ABSTRACT:
A multiple fail operational rotary actuator comprising a static base, at least two serially connected rotary motor stages, a power source, and braking devices. The rotary motor stages are connected by anti-friction bearing assemblies. A first stage is connected to the static base while a final stage is connected to an output shaft of the rotary actuator. The power source provides power for the rotary motor stages. The braking devices are connected to the rotary motor stages for preventing relative motion between any failed motor stage and the adjacent motor stage ahead of that failed stage.

REFERENCES:
patent: 3631944 (1972-01-01), Courtenay et al.
patent: 3986412 (1976-10-01), Farley
patent: 4215592 (1980-08-01), Calvert
patent: 4858490 (1989-08-01), Grant

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