Seal seat assembly with specialized features

Details Seal seat assembly with specialized features Seal seat assembly with specialized features

2007-12-25

2007-12-25

Engle, Patricia (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

C277S372000, C277S370000

Reexamination Certificate

active

11239565

ABSTRACT:
A seal seat assembly utilizes a positive mechanical drive between a seal seat and the bore of a pump component, which in turn is mounted to and driven by the shaft by means of a positive mechanical engagement therebetween. The grommet accommodates the positive mechanical drive between the seal seat and the pump component. The seal assembly enables a robust, easily assembled three-component sub-assembly of the seal seat, grommet and pump component that can be handled as a single unit, and which easily installs onto, seals with, and becomes rotationally locked to a shaft. The positive engagement features, retaining features and static sealing features are axially aligned to provide an axially-compact seal assembly.

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patent: 2002/0096834 (2002-07-01), Hadley
patent: 2004/0026868 (2004-02-01), Dahlheimer

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