Scroll fluid machine having an adjustment member with a...

Details Scroll fluid machine having an adjustment member with a... Scroll fluid machine having an adjustment member with a...

2008-04-29

2008-04-29

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

With mechanical sealing

Seal element between working member and cylinder

C418S028000, C418S055100, C418S055200, C418S055400, C277S379000, C277S399000

Reexamination Certificate

active

10580411

ABSTRACT:
A scroll fluid machine includes a stationary scroll having a spiral wrap formed on an end plate and a moving scroll having a spiral wrap formed on an end plate. A polymer actuator for adjusting the amount of space between the wrap and the end plate is disposed in a recess formed at a tip of the wrap. The polymer actuator changes its shape along a height of the wrap to adjust an amount of the space. The polymer actuator also functions as a seal between the end plate and the wrap. The recess is formed such that a wall of the recess including an inner circumference surface of the wrap has a thickness different from that of a wall of the recess including an outer circumference surface of the wrap.

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