The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2009
Filed:
Mar. 07, 2005
Applicant:
Stephen L. Shoulders, Baldwinsville, NY (US);
Inventor:
Stephen L. Shoulders, Baldwinsville, NY (US);
Assignee:
Carrier Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compressor apparatus has a housing () having first () and second () ports along a flowpath. One or more working elements () cooperate with the housing to define a compression path between suction and discharge locations along the flowpath. A check valve () 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 () at least partially surround the flowpath upstream of the valve element ().