End face mechanical shaft seal for use in hydraulic machines and

Details End face mechanical shaft seal for use in hydraulic machines and End face mechanical shaft seal for use in hydraulic machines and

1987-07-29

1988-05-24

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

277 81S, F04D 2908

Patent

active

047462680

ABSTRACT:
An end face mechanical shaft seal for use in a hydraulic machine includes a seal ring assembly detachably secured to a seal casing and having a sealing face which makes a sliding and fluid-tight contact with an annular seat face presented by a flange on the rotor shaft. The seal ring assembly is of a cartridge type which includes a ring casing having an annular groove formed in one end surface thereof and a seal ring partly received in the groove and fixed to the ring casing by an adhesive. Each of the ring casing and the seal ring is constituted by a plurality of arcuate sections or segments which are connected together in the circumferential direction.

REFERENCES:
patent: 3599990 (1971-08-01), Greiner et al.
patent: 4395048 (1983-07-01), Timmermans et al.
patent: 4410188 (1983-10-01), Copes

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