Permanent automatic rotor balancer for shafts operating above cr

Details Permanent automatic rotor balancer for shafts operating above cr Permanent automatic rotor balancer for shafts operating above cr

1977-07-29

1978-10-03

Gerin, Leonard H.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

74573F, F16H 344, F16H 5710

Patent

active

041177428

ABSTRACT:
A pair of balancing weights are mounted on opposite sides of the center line of the rotor for movement about the axis of the rotor. The weights are automatically locked against movement about the axis of the rotor when the rotor is rotating below critical speed and automatically released for free movement about the axis of the rotor when the rotor is rotating above critical speed. The weights are exemplified as roller cages. The balancing weights are variously locked by mechanical clutches actuated at critical speed. The clutching for the weights is either individual or such that the weights are necessarily locked against movement and released simultaneously. Centrifugal force is used to control the clutches.

REFERENCES:
patent: 2659243 (1953-11-01), Darrieus
patent: 3410154 (1968-11-01), Deakin
patent: 4002086 (1977-01-01), Reinhall
patent: 4019392 (1977-04-01), Zamfirescu
patent: 4060009 (1977-11-01), Wyman

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