Ring balancer

Details Ring balancer Ring balancer

G - Physics

01

M

73/160, 74/278

G01M 1/06 (2006.01) G01M 1/36 (2006.01)

Patent

CA 1317129

RING BALANCER Abstract of the Disclosure A dynamic ring balancer for a machine shaft, including an annular case fixedly attachable to the shaft with a central aperture sized to receive the shaft therethrough. The case has an annular chamber extending about the case aperture and containing a part if eccentrically weighted balancing rings rotatably mounted within the annular chamber. The rings are rotatable relative to each other and the case. A pair of turbine wheels are mounted at an outer wall of the case and are each selectively rotatable in both rotational directions in response to engagement by pressurized air flows. The air flows for each wheel are selectively applied by a stationary manifold as the wheels pass by the manifold while revolving with the case. A pair of reduction gear assemblies are mounted within the case and each drivable interconnects one of the wheels and the corresponding ring to convert rotation of the wheel into rotation of the ring. Through selective rotation of the wheels, the rings are progressively and independently rotated until the shaft is dynamically balanced. Thereafter, the reduction gear assemblies hold the rings locked in position until further adjustment of the rings is desired. In an alternative embodiment friction engagement wheels are used.

584775

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