Title:
風力発電施設のロータブレード用の回転結合構造
Document Type and Number:
Japanese Patent JP7032607
Kind Code:
B2
Abstract:
A rotary connection for a rotor blade of a wind turbine. The rotary connection is used, for example, for adjusting a rotor blade of a wind turbine. The rotary connection according contains an outer ring and an inner ring. The inner ring has a contact surface in the direction of the rotor blade and a screw fixing surface in the direction of the rotor hub. The contact surface and the screw fixing surface are arranged parallel to each other and provided with passage holes, which each have a central axis. Rolling elements are arranged in at least two running rows located under each other between the outer ring and the inner ring, wherein the rolling elements each have a rolling element diameter. According to the invention, at least the lower running row is arranged with its rolling element centre underneath the screw fixing surface.
Inventors:
Muhammad, Ibrahim
Application Number:
JP2021514471A
Publication Date:
March 08, 2022
Filing Date:
February 21, 2019
Export Citation:
Assignee:
Muhammad, Ibrahim
International Classes:
F03D13/20; F03D1/06; F03D80/00; F16C19/08; F16C33/58; F16C35/07
Domestic Patent References:
| JP49080756A | ||||
| JP2015508147A | ||||
| JP2014511460A |
Foreign References:
| WO2006129351A1 | ||||
| DE102013216841A1 | ||||
| DE3725972A1 |
Attorney, Agent or Firm:
Asato Kato
Kiyoto Uchida
Kiyoto Uchida
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