Process and installation for rapidly creating a high vacuum usin

Details Process and installation for rapidly creating a high vacuum usin Process and installation for rapidly creating a high vacuum usin

1982-02-10

1985-03-19

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

47 77, 47 80, F04C 1900

Patent

active

045056455

ABSTRACT:
An installation for rapidly obtaining a high vacuum, comprising two compression stages, the first of which is a liquid ring vacuum pump, characterized in that means are provided for instantaneously coupling or dissociating the first stage and the second stage. The invention concerns also a process intended to be used in said installation.

REFERENCES:
patent: 2492075 (1949-12-01), Van Atta
patent: 2599701 (1952-06-01), Eames
patent: 3221659 (1965-12-01), Adams
patent: 3228587 (1966-01-01), Segebrecht
patent: 3239131 (1966-03-01), Whyte
patent: 3420181 (1969-01-01), Berry
patent: 3575532 (1971-04-01), Mugele

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