US Patent 7210913 Scroll fluid machine with a silencer

Patent 7210913 was granted and assigned to Anest Iwata on May, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Anest Iwata

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72109130

Patent Inventor Names

Youhei Midorikawa0

Date of Patent

May 1, 2007

Patent Application Number

113879410

Date Filed

March 23, 2006

Patent Primary Examiner

‌

Hoang Nguyen

Patent 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.