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:
Sep. 08, 2020
Filed:
Sep. 06, 2017
Applicant:
Wobben Properties Gmbh, Aurich, DE;
Inventors:
Mohammad Kamruzzaman, Southampton, GB;
Christian Frank Napierala, Aurich, DE;
Heiner Sweers, Bremen, DE;
Assignee:
Wobben Properties GmbH, Aurich, DE;
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0675 (2013.01); F03D 1/0633 (2013.01); F05B 2240/30 (2013.01); F05B 2260/96 (2013.01); Y02E 10/721 (2013.01);
Abstract
A wind turbine rotor blade including a suction side, a pressure side, a blunt trailing edge, and a trailing edge enlargement unit arranged at the blunt trailing edge and has at least two stages. The trailing edge enlargement unit has a first portion and a second portion, where a transition from the blunt trailing edge to the first portion is substantially non-perpendicular and a transition between the first and second portions is also non-perpendicular.