Protected flow meter rotor bearing

Details Protected flow meter rotor bearing Protected flow meter rotor bearing

1988-06-10

1989-12-12

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Having lubricating, sealing, packing or specific bearing...

416146A, 4151711, F03B 1106

Patent

active

048864200

ABSTRACT:
A protected, but unsealed rotor bearing for flowmeter turbine rotors and the like has an annular shoulder protruding axially from the rotor in concentric relation to the rotor axis in a manner that defines a cavity protruding axially into the rotor. An elongated bearing body with a cylindrical peripheral surface is mounted in a supporting frame and protrudes axially into the cavity. An axle on which the rotor is mounted protrudes into a bore in the bearing body such that the bearing interface is between the surface of the axle and the surface of the bore in the bearing body. A ball in the bore between the bearing body and the axle bears axial thrust. The peripheral surface of the bearing body does not contact the annular shoulder, but a face on the annular sholder that extends radially outward from adjacent the peripheral surface of the bearing body acts as a centrifugal flinger to dynamically divert contaminant particles away from the bearing surfaces.

REFERENCES:
patent: 3164020 (1965-01-01), Groner et al.
patent: 3534602 (1970-10-01), Boyd
patent: 3762359 (1973-10-01), Jones
patent: 4021143 (1977-05-01), May
patent: 4122717 (1978-10-01), Loesch
patent: 4333355 (1982-06-01), Dacus et al.
patent: 4400134 (1983-08-01), Sweeney
patent: 4648281 (1987-03-01), Morita et al.
Roots-Dresser brochure, Single-Stage Centrifugal Compressors.

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