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:
May. 08, 2018
Filed:
Mar. 14, 2013
Applicant:
Wetzel Engineering, Inc., Lawrence, KS (US);
Inventor:
Kyle K Wetzel, Lawrence, KS (US);
Assignee:
WEI7 LLC, Lawrence, KS (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); B32B 5/12 (2006.01); B32B 5/26 (2006.01); B32B 7/02 (2006.01); B32B 7/00 (2006.01); B32B 5/14 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0675 (2013.01); B32B 5/12 (2013.01); B32B 5/26 (2013.01); B32B 7/005 (2013.01); B32B 7/02 (2013.01); B32B 5/145 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2262/108 (2013.01); B32B 2307/54 (2013.01); B32B 2307/542 (2013.01); B32B 2307/72 (2013.01); B32B 2603/00 (2013.01); F05B 2280/6013 (2013.01); F05B 2280/702 (2013.01); Y02E 10/721 (2013.01); Y10T 428/24124 (2015.01);
Abstract
Provided is a rotor blade that may include a first layer having a first plurality of non-woven fibers oriented at first angle of about 10 to 30 degrees relative to a long axis of the rotor blade, a second plurality of non-woven fibers oriented at a second angle of about 60 to 75 degrees relative to the first plurality of fibers, and a third plurality of non-woven fibers oriented at a third angle of about −60 to about −75 degrees relative to the second plurality of fibers.