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:
Jan. 25, 2011
Filed:
Feb. 24, 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 flow path. One or more working elements () cooperate with the housing () to define a compression path between suction () and discharge () locations along the flow path. An unloading valve () has a valve element () having a range between a first condition and a second condition, the second condition being unloaded relative to the first condition. Means () bias the valve element toward a third condition intermediate the first and second conditions.