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:
Apr. 18, 2017
Filed:
Apr. 16, 2014
Siemens Aktiengesellschaft, München, DE;
Giovanni Airoldi, Vejle, DK;
Uffe Eriksen, Horsens, DK;
Soeren Gundtoft, Fredericia, DK;
Claus Michaelsen, Herning, DK;
Thorkil Munk-Hansen, Give, DK;
Peter Hessellund Soerensen, Brædstrup, DK;
Claus Thygesen, Låsby, DK;
Xavier Tourde, Vejle, DK;
SIEMENS AKTIENGESELLSCHAFT, , DE;
Abstract
An airflow control arrangement for a direct-drive wind-turbine with a generator comprising a rotor and a stator, which airflow control arrangement comprises an outflow fan arranged to draw an exit airflow through an exit duct, which exit duct extends from an interior cavity of the stator to the exterior of the wind turbine. The invention further describes a direct-drive wind turbine comprising such an airflow control arrangement. The invention further describes a method of controlling an airflow in a direct-drive wind-turbine with a generator comprising a rotor and a stator is provided.