Scroll type fluid apparatus having sealing member in recess form

Details Scroll type fluid apparatus having sealing member in recess form Scroll type fluid apparatus having sealing member in recess form

1991-07-17

1992-11-03

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 554, 418 556, 418143, F01C 104, F01C 1900, F01C 2104

Patent

active

051602539

ABSTRACT:
A scroll type fluid apparatus includes a casing having a flange member defining an annular recess therein, a drive shaft journalled on the casing and having a crank shaft formed at an inner end of the drive shaft extending in the casing, an orbiting scroll member rotatably mounted on the crank shaft and having a mirror-finished plate and a scroll wrap extending upright on the plate, a stationary scroll member mounted on the casing and including a mirror-finished plate having scroll wrap extending upright thereon and engaged with the scroll wrap of the orbiting scroll member, a suction port communicating with the interior of the annular recess of the annular flange member, a discharge port, and a sealing member disposed in the annular recess of the annular flange member for sealing a compression chamber within the annular recess from the interior of a body of the casing. The annular flange member and the mirror-finished plate are formed as separate parts in advance and are then secured to each other to constitute the stationary scroll member.

REFERENCES:
patent: 4129405 (1978-12-01), McCullough
patent: 4300875 (1981-11-01), Fischer et al.
patent: 4673340 (1987-06-01), Mabe et al.
patent: 5051079 (1991-09-01), Richardson, Jr.
patent: 5069605 (1991-12-01), Saitoh et al.

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