Scroll fluid machine with a silencer

Details Scroll fluid machine with a silencer Scroll fluid machine with a silencer

2007-05-01

2007-05-01

Nguyen, Hoang (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055200, C418S181000

Reexamination Certificate

active

11387941

ABSTRACT:
A scroll fluid machine comprises a housing, a drive shaft, a stationary scroll fixed to the housing, and an orbiting scroll driven by the drive shaft. A gas from the outer circumference of the housing is introduced between the stationary and orbiting scrolls, and sent to the center by revolving the orbiting scroll in engagement with the stationary scroll. On the rear surface of the stationary scroll, there are provided a plurality of cooling fins that radially extend. Between the adjacent cooling fins, a silencer is provided to prevent noise caused by discharge of the gas.

REFERENCES:
patent: 6158989 (2000-12-01), Barito
patent: 6176094 (2001-01-01), Ohta et al.
patent: 6220839 (2001-04-01), Sheridan et al.
patent: 6736620 (2004-05-01), Satoh
patent: 2004/0105770 (2004-06-01), Sakamoto et al.

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