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.:

US 7874820 B1

PDF
Full Text
Expired
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.


Find Patent Forward Citations

Shoulders, Stephen. (2011). Compressor unloading valve (U.S. Patent No. 7874820). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7874820

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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