Anti-backlash device for a pump shaft

Details Anti-backlash device for a pump shaft Anti-backlash device for a pump shaft

1984-04-13

1989-06-06

Halvosa, George E. A.

Brakes

Wheel

One-way brakes

188 827, 188 828, 192 451, F16D 6300

Patent

active

048363405

ABSTRACT:
The present invention is concerned with an anti-backlash device for a pump shaft comprising an asymmetrical idler (3) pivoting around a fixed axis (4) and an elastic device (5) which produces a restoring force that tends to press the idler (3) against the surface of the pump shaft (1). The anti-backlash device further embodies at least one fin (7) firmly attached to the idler (3) and preferably arranged nearly perpendicular to the direction of flow of the pumped fluid, so that the motion of the fluid will produce a force which, when applied to the fin, yields a moment with respect to the idler axis slightly greater than that produced by the restorative force applied in the opposite sense.

REFERENCES:
patent: 1878333 (1932-09-01), Scott
patent: 2010885 (1935-08-01), Osterholm
patent: 2215548 (1940-09-01), Duffield
patent: 2447384 (1948-08-01), Wolff

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