Scroll type pump

Details Scroll type pump Scroll type pump

1995-11-20

1997-05-27

Freay, Charles G.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 551, F01C 104

Patent

active

056326114

ABSTRACT:
A scroll type pump which suppresses the rocking of the follower scroll member thereof and can perform the stabilized rotation operation thereof is provided with a first bearing mounting part and a second bearing mounting part so as to locate the center of gravitation between them, and supports a first bearing and a second bearing by a supporting part constructed in a body together with a casing by putting the first bearing in the first bearing mounting part and the second bearing in the second bearing mounting part respectively.

REFERENCES:
patent: 4781550 (1988-11-01), Morishita et al.
patent: 5099658 (1992-03-01), Utter et al.
patent: 5199280 (1993-04-01), Riffe et al.
patent: 5314316 (1994-05-01), Shibamoto et al.
patent: 5336062 (1994-08-01), Richter

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