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. 07, 2020
Filed:
Nov. 19, 2014
Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd., Daxing, Beijing, CN;
Jinpeng Huang, Beijing, CN;
Chengqian Liu, Beijing, CN;
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER, Beijing, CN;
Abstract
A lightning protection device includes a lightning arrester arranged on a nonmetallic blade and configured to receive a lightning current, and a blade down lead electrically connected to the lightning arrester. The lighting protection device further includes: a first lightning current conducting component, electrically connected to the blade down lead and connected to an outer surface of a generator rotor in an insulation manner; a second lightning current conducting component, connected to the outer surface of the generator rotor and an insulated nacelle cover in insulation manner, and electrically connected to the first lightning current conducting component via a metal conductor; and a lightning protection down lead, configured to electrically connect the second lightning current conducting component and a grounding component arranged inside a tower, to discharge the lightning current to ground through the tower.