| 摘要 |
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.
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