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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 9340277 B1

PDFFull Text
Date of Patent:
May. 17, 2016

Filed:

Apr. 02, 2012

Airfoils for use in rotary machines

Applicants:

Andrew Breeze-stringfellow, Montgomery, OH (US);

Manampathy Gangadharan Giridharan, Mason, OH (US);

Syed Arif Khalid, West Chester, OH (US);

Leroy H. Smith, Jr., Cincinnati, OH (US);

Inventors:

Andrew Breeze-Stringfellow, Montgomery, OH (US);

Manampathy Gangadharan Giridharan, Mason, OH (US);

Syed Arif Khalid, West Chester, OH (US);

Leroy H. Smith, Jr., Cincinnati, OH (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:

General Electric Company

William Scott Andes

Primary Examiner:

Richard Edgar

Assistant Examiner:

Eldon Brockman

Int. Cl.
CPC ...
B64C 11/18 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
B64C 11/18 (2013.01); F01D 5/141 (2013.01); Y02T 50/66 (2013.01);
Abstract

An airfoil section of a propeller for a propulsion device includes a pressure surface and a suction surface, the pressure surface and suction surface intersecting at a leading edge and a trailing edge. The airfoil section has a meanline defined midway between the pressure surface and the suction surface and a meanline angle is defined as an angle between a tangent to the meanline and a centerline of the propeller. The blade has a meanline curvature defined as the slope of a meanline angle with respect to chord fraction along the meanline, and at least a portion of the meanline has a meanline curvature that increases from between approximately 0.1 chord fraction progressing toward the leading edge and at least a portion of the meanline has a meanline curvature that decreases from between approximately 0.1 chord fraction progressing toward the leading edge.

Find Patent Forward Citations

Breeze-Stringfellow, Andrew. (2016). Airfoils for use in rotary machines (U.S. Patent No. 9340277). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9340277

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

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