Scroll type fluid machine having a first scroll wrap unit...

Details Scroll type fluid machine having a first scroll wrap unit... Scroll type fluid machine having a first scroll wrap unit...

2007-06-18

2008-11-04

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S058000

Reexamination Certificate

active

07445437

ABSTRACT:
A scroll type fluid machine includes a housing, a first scroll unit arranged rotatably in the housing and a second scroll unit rotating with rotation of the first scroll unit and gyrating relative to the first scroll unit to vary volumes of compression spaces. The first scroll unit includes a first wrap group including two end plates with support shafts supported rotatably by the housing and scrolled wraps arranged uniformly. The second scroll unit includes a cylindrical outer peripheral ring portion held slidably between the end plates of the first scroll unit, a connection block portion located in a center portion and a second wrap group having plural scrolled wraps extending from the ring portion to the connection block portion to define insertion spaces into which the wraps of the first wrap group are inserted and, with the first wrap group, forming compression spaces.

REFERENCES:
patent: 1376291 (1921-04-01), Rolkerr
patent: 3989422 (1976-11-01), Guttinger
patent: 6179590 (2001-01-01), Honma et al.
patent: 3716017 (1987-12-01), None
patent: 54124310 (1979-09-01), None
patent: 07019186 (1995-01-01), None
patent: 09133087 (1997-05-01), None
patent: 2004286025 (2004-10-01), None
Etsuo Morishita et al., “Study for Scroll Fan and Blower”, Japan machinery society (B edition), vol. 54, No. 498 (S63-2), monograph No. 87-0436B, Feb. 1988.

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