Rotating seal configuration and method of sealing a rotating member to a housing

摘要

A seal configuration includes a housing and a rotatable member rotationally mounted relative to the housing. The rotatable member has at least one portion defining an outer perimetrical face that is configured to contact the housing during operational conditions that cause a radial dimension of the at least one portion to increase. The at least one portion has opposing axial surfaces with each of the opposing axial surfaces being dimensionally axially nearer to the other of the opposing axial surfaces immediately radially inwardly of the outer perimetrical face than a furthest part of the outer perimetrical face.

主权项

1. A rotating seal configuration, comprising:
a housing; and a rotatable member rotationally mounted relative to the housing having at least one portion defining an outer perimetrical face being configured to contact the housing during some operational conditions, the at least one portion having opposing axial surfaces with at least one of the opposing axial surfaces being dimensionally axially nearer to the other of the opposing axial surfaces immediately radially inwardly of the outer perimetrical face than a furthest part of the outer perimetrical face, wherein the portion includes a recess having an apex extending axially inwardly relative to at least one of the opposing axial surfaces, the rotatable member having an acute angle between the outer perimetrical face and the recess radially outboard of the apex, and the rotatable member having an obtuse angle between the recess and the at least one of the opposing axial surfaces radially inboard of the apex wherein said recess spans less than a length of the at least one of the opposing axial surfaces.