Liquid vapor purging system

Details Liquid vapor purging system Liquid vapor purging system

1989-10-11

1991-11-12

Nozick, Bernard

Gas separation

Combined or convertible

184 623, 184 626, 184 612, 494 2, 494 5, B01D 5000

Patent

active

050644564

ABSTRACT:
A self-contained liquid vapor purging system for use in such electromotive apparatus as integrated drive generators, or the like, which include a casing and a rotatable shaft extending into the casing. A charge pump circuit communicates with the casing for circulating liquid from the casing and charging liquid back to the casing. An aspirator is located in the charge pump circuit between a charge pump and a inlet to the casing for mixing fresh air with the liquid to deliver an air-liquid mixture to the casing. A centrifugal separator and check valve are incorporated in the rotatable shaft for separating liquid and vapor. The separator includes a vapor-liquid inlet from the casing, a liquid outlet to the casing, and a vapor outlet draining outside the casing. The centifrugal separator includes a valve in communication with the vapor outlet. One form of valve opens only at a predetermined rotary speed of the shaft, and another form of valve opens at a predetermined absolute pressure value.

REFERENCES:
patent: 1026075 (1912-05-01), Combs
patent: 1824540 (1931-09-01), Gronkwist
patent: 3161490 (1964-12-01), Dudek
patent: 4435193 (1984-03-01), Gullichsen et al.
patent: 4714139 (1987-12-01), Lorenz et al.
patent: 4913695 (1990-04-01), Gantzer

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