Scroll type fluid machine having recesses on the swivel scroll e

Details Scroll type fluid machine having recesses on the swivel scroll e Scroll type fluid machine having recesses on the swivel scroll e

1996-06-13

1998-04-07

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F01C 104

Patent

active

057356777

ABSTRACT:
A scroll type fluid machine has a stationary scroll 1 and a swivel scroll 2 engaged therewith contained within a hermetic housing 4. A plurality of legs 15 are provided on the outer circumferential edge of an end plate 11 of the stationary scroll 1, and are fixed by bolts 64 to a frame 5 supporting a rotating shaft 3 via a bearing 52. A rotation prevention mechanism 6 is interposed between the frame 5 and the swivel scroll 2. The swivel scroll 2 is connected to the rotating shaft 3 so as to make revolutional swivel motions. The diameter of the end plate 11 of the stationary scroll 1 is shortened, and thereby the hermetic housing 4 is made smaller. A cut out recess portion 25 is provided at each position corresponding to the plurality of legs 15 of the outer circumferential portion of a circular end plate 21 of the swivel scroll 2.

REFERENCES:
patent: 4795323 (1989-01-01), Lessie
patent: 5188520 (1993-02-01), Nakamura et al.
Patent Abstracts of Japan, vol. 17, No. 12 (M-1351), Jan. 11, 1993.

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