Dynamic seal with flushing protection of static seal

Details Dynamic seal with flushing protection of static seal Dynamic seal with flushing protection of static seal

1989-07-25

1991-02-05

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid bypass

4151682, 4151711, 415230, F01B 2500, F01D 1100

Patent

active

049900552

ABSTRACT:
A flushing protection arrangement is provided between the static seal and the auxiliary impeller, so that when the pump is not operating the static seal will be protected by a flushing fluid.

REFERENCES:
patent: 2352784 (1944-07-01), Geyer
patent: 2936715 (1960-05-01), Southam et al.
patent: 3090320 (1963-05-01), Hummer et al.
patent: 3168871 (1965-02-01), Sieghartner
patent: 3198529 (1965-08-01), Voitik
patent: 3474734 (1969-10-01), Stogner
patent: 3549277 (1970-12-01), Kiss et al.
patent: 3724861 (1973-04-01), Lesiecki
patent: 4477223 (1984-10-01), Giroux
patent: 4621981 (1986-11-01), Lorett
patent: 4801244 (1989-01-01), Stahl

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