Molecular pump or, respectively, gas-tight sealing arrangement f

Details Molecular pump or, respectively, gas-tight sealing arrangement f Molecular pump or, respectively, gas-tight sealing arrangement f

1977-12-15

1981-06-02

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

Extending along runner axis

415 90, 277134, F04B 302, F01B 134

Patent

active

042708826

ABSTRACT:
Gastight seal for a rotary shaft or a cylindrical resp. cylindrical like body, the seal being of the type using a molecular gas, which seal has properties that automatically will stabilize the rotor, if whirl phenomena exited by gasforces have temporarily given rise to a precessional movement.

REFERENCES:
patent: 2730297 (1956-01-01), Dorsten et al.
patent: 3071384 (1963-11-01), Friberg
patent: 3131942 (1964-05-01), Ertaud
patent: 3246901 (1966-04-01), Wickli
patent: 3813134 (1974-05-01), Wijnant et al.
patent: 4002378 (1977-01-01), Meinke
patent: 4036565 (1977-07-01), Becker
patent: 4116501 (1978-09-01), Motz et al.

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