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.

Date of Patent:
May. 20, 2014

Filed:

Apr. 08, 2009
Applicants:

Urs Bendel, Fockbek, DE;

Markus Werner, Kiel, DE;

Martin Knops, Fockbek, DE;

Inventors:

Urs Bendel, Fockbek, DE;

Markus Werner, Kiel, DE;

Martin Knops, Fockbek, DE;

Assignee:

REpower Systems AG, Homburg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 11/04 (2006.01); B23P 17/00 (2006.01); F03D 1/00 (2006.01); F03D 1/06 (2006.01); B23P 15/04 (2006.01);
U.S. Cl.
CPC ...
F03D 1/001 (2013.01); F03D 1/0658 (2013.01); F03D 1/0675 (2013.01); B23P 15/04 (2013.01); Y02E 10/721 (2013.01);
Abstract

The invention relates to a process for manufacturing a blade connection of a rotor blade for a wind energy system which comprises fastening elements for fastening the blade connection to a hub, which fastening elements are provided on a circular arc, preferably equidistant from each other. Furthermore, the invention relates to a blade connection and a fastening element for a blade connection. The invention is based on the problem of improving the fastening of a rotor blade on the hub of a wind energy system as well as improving the manufacture and/or making a suitable blade connection available. The invention solves this problem as regards the process in that fastening elements formed in pieces are arranged on the circular arc and spaced from each other with spacer elements.


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