US Patent 7568898 Compressor sound suppression

Patent 7568898 was granted and assigned to Carrier Corporation on August, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Carrier Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75688980

Patent Inventor Names

Stephen L. Shoulders0

Date of Patent

August 4, 2009

Patent Application Number

118137690

Date Filed

March 7, 2005

Patent Primary Examiner

‌

Theresa Trieu

Patent abstract

A compressor apparatus has a housing (22) having first (53) and second (58) ports along a flowpath. One or more working elements (26, 28) cooperate with the housing to define a compression path between suction and discharge locations along the flowpath. A check valve (70) has a valve element having a first condition permitting downstream flow along the flowpath and a second condition blocking a reverse flow. Sound suppressing means (120, 220, 320) at least partially surround the flowpath upstream of the valve element (70).

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