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:
Jun. 14, 2022
Filed:
Jul. 15, 2021
Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd., Beijing, CN;
Abstract
A pitch varying device, a pitch varying method and a pitch varying control device for a wind turbine blade and a wind turbine are provided. The blade pitch varying device includes: a disc-type driving structure perpendicular to an axis of a pitch bearing, a track surrounding the axis of the pitch bearing being provided on the disc-type driving structure; a first linear telescopic driving mechanism connected to the track through a first clamping member capable of clamping the track, and the first linear telescopic driving mechanism and the first clamping member being connected through a hinge connection; and a second linear telescopic driving mechanism connected to the track through a second clamping member capable of clamping the track, and the second linear telescopic driving mechanism and the second clamping member being connected through a hinge connection.