Patent · US Active

Variable pitch mechanism and wind turbine

US11460001B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD. · CN

Inventors

Yongjun Guo · Jiangmen, CN
Qian Li · Lo Wu, CN

Key dates

Filing date	Oct 31, 2018
Grant date	Oct 4, 2022
Priority date	—
Expiry date	Jun 18, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A variable pitch mechanism for a wind turbine and a wind turbine having the variable pitch mechanism. The variable pitch mechanism includes a variable pitch bearing and a driving gear, the variable pitch bearing includes an outer ring of the bearing fixed to the hub and an inner ring of the bearing connected to the blade, the variable pitch mechanism further includes a flange mounted on the hub, the driving gear is mounted on the flange and engages with the teeth on the inner ring of the bearing, and the mounting position of the flange on the hub is adjustable along a circumferential direction of the variable pitch bearing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.