Fluid handling apparatus with shaft sleeve and extension

Details Fluid handling apparatus with shaft sleeve and extension Fluid handling apparatus with shaft sleeve and extension

1989-03-27

1990-10-23

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 65, 403286, 403341, 415231, 415901, F16K 4100, B25G 300, F04O 2900

Patent

active

049646460

ABSTRACT:
In a fluid handling appartus comprising a multi-stage mechanical seal assembly, an additional mechanical seal assembly to maintain a substantially constant exit pressure of leakage from the last stage of the multi-stage mechanical seal assembly, and a novel driving arrangement between the motor and the fluid machine.

REFERENCES:
patent: 2488769 (1949-03-01), Engstrom
patent: 2945711 (1960-07-01), Dykman
patent: 3093381 (1963-06-01), Schulz
patent: 3124361 (1964-03-01), Haberland et al.
patent: 3166330 (1965-01-01), Boutros
patent: 3363910 (1968-01-01), Toronchuk
patent: 3715169 (1973-02-01), Molis
patent: 4108569 (1978-08-01), Ryall et al.
patent: 4272084 (1981-06-01), Martinson et al.
patent: 4375291 (1983-03-01), Padgett
patent: 4586719 (1986-05-01), Marsi et al.
patent: 4722663 (1988-02-01), Swearingen

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