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 Inventor Names

Stephen L. Shoulders0

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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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https://pdfpiw.uspto.gov/.piw?Docid=075688980

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