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:
Mar. 31, 2015
Filed:
Aug. 08, 2012
Marco Frankowski, Ostseebad Wustrow, DE;
Dirk Austinat, Jarmen, DE;
Marco Frankowski, Ostseebad Wustrow, DE;
Dirk Austinat, Jarmen, DE;
Nordex Energy GmbH, Hamburg, DE;
Abstract
Method for producing a wind turbine rotor blade part with a prefabricated main spar cap, comprising the following steps: providing a mold having a blade-root end and with a blade-tip end, inserting at least one outer root reinforcement layer () made of a fibrous material into the mold, arranging the prefabricated main spar cap on the at least one outer root reinforcement layer, arranging, in the mold, at least one inner root reinforcement layer made of a fibrous material on the main spar cap, closing the mold, extracting the air from the mold through at least one extraction channel arranged at a lateral distance from the main spar cap, feeding a liquid plastics material through a first sprue channel which has a plurality of outlet openings below the main spar cap, feeding a liquid plastics material through a second sprue channel which has a plurality of outlet openings above the main spar cap.