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. 05, 2017
Filed:
Jul. 26, 2012
Jinpeng Huang, Beijing, CN;
Uwe Hinz, Weddingstedt, DE;
Qiang LI, Beijing, CN;
Junhao GE, Beijing, CN;
Wei Yang, Beijing, CN;
Jinpeng Huang, Beijing, CN;
Uwe Hinz, Weddingstedt, DE;
Qiang Li, Beijing, CN;
Junhao Ge, Beijing, CN;
Wei Yang, Beijing, CN;
XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD, Urumqi, CN;
Abstract
A lightning protection device for a wind turbine generator system includes at least a blade arrester, a down lead of a blade connected to the blade arrester, a lightning-proof element of a pitch bearing, a lightning-proof element of a rotor bearing. The lightning-proof element of the pitch bearing is arranged at the blade root, with one end connected to the down lead of blade and the other end connected to the lightning-proof element of the rotor bearing. The lightning protection device forms a lightning current conducting path passing through a cavity of the pitch bearing, a hollow of a rotor shaft and a cavity of the rotor bearing. A wind turbine generator system having the above mentioned lightning protection device is provided.