Means for stabilizing a rotary member

Details Means for stabilizing a rotary member Means for stabilizing a rotary member

1974-06-05

1976-04-13

Spar, Robert J.

Cutlery

F16C 3500

Patent

active

039500420

ABSTRACT:
A means for stabilizing a large diameter - to - thickness ratio wheel to prevent axial flutter of the wheel at high wheel speeds is disclosed. The wheel is supported for rotation through a gap formed by at least one pair of spaced bearing plates. Each bearing plate provides a relieved area in the side juxtaposed to the wheel, the non-relieved area of the bearing plate and the wheel surface defining a nozzle directed generally toward the periphery of the wheel. The gap spacing is adjustable. Means are provided for introducing fluid through each bearing plate into the relieved area on both sides of and at circumferentially spaced locations on the wheel face. The flow of fluid which impinges on the face is maintained constant. Through a change in direction through the gap and due to centrifugal forces the fluid moves toward the wheel periphery at increased velocity. The flowing fluid creates hydrodynamic conditions which stiffen the wheel sufficiently to prevent axial flutter. The situs of impingement of fluid on the wheel face may be adjustable.

REFERENCES:
patent: 3493273 (1970-02-01), Greenberg
patent: 3635533 (1972-01-01), Galloway
patent: 3767277 (1973-10-01), Woolcock
patent: 3837716 (1974-09-01), Allen et al.

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