Mechanical seal for pumps and method of fabricating same

Details Mechanical seal for pumps and method of fabricating same Mechanical seal for pumps and method of fabricating same

1985-08-29

1987-03-31

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

277 88, 277 92, 264262, F01D 2908

Patent

active

046539808

ABSTRACT:
A mechanical seal assembly for use with centrifugal pumps including at least one unitized elastomer assembly for urging the seal faces of a pair of seal rings into sealing engagement with each other. The unitized elastomer assembly serves as a seal ring mounting arrangement and includes a spaced pair of metallic rings which are chemically bonded to an annular elastomer body disposed therebetween and whose cross section between the rings is loaded in shear when the elastomer assembly is operatively arranged in the pump. A mechanical seal is established between at least one of said rings and the elastomer body for protecting the chemical bond therebetween against attack by corrosive pump product.

REFERENCES:
patent: 2233624 (1941-03-01), Magnesen
patent: 2871039 (1959-01-01), Payne
patent: 3138942 (1964-06-01), Kayser
patent: 3194569 (1965-07-01), Utvitch
patent: 3643967 (1972-02-01), Stahl
patent: 3904211 (1975-09-01), Dega
patent: 4239241 (1980-12-01), Menager
patent: 4509773 (1985-04-01), Wentworth

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