Invention Grant
US08651462B2 Method and lift construction for lifting and lowering a blade of a windmill
有权
提升和降低风车叶片的方法和升降机结构
- Patent Title: Method and lift construction for lifting and lowering a blade of a windmill
- Patent Title (中): 提升和降低风车叶片的方法和升降机结构
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Application No.: US12988272Application Date: 2009-03-23
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Publication No.: US08651462B2Publication Date: 2014-02-18
- Inventor: Martinus Marianus Maria Van Berlo , Adrianus Gerardus Maria Versteeg
- Applicant: Martinus Marianus Maria Van Berlo , Adrianus Gerardus Maria Versteeg
- Applicant Address: NL Geldermalsen
- Assignee: Dutch Heavy Lift Concepts B.V.
- Current Assignee: Dutch Heavy Lift Concepts B.V.
- Current Assignee Address: NL Geldermalsen
- Agency: SoCal IP Law Group LLP
- Agent Mark A. Goldstein
- Priority: NL1035301 20080416
- International Application: PCT/NL2009/050135 WO 20090323
- International Announcement: WO2009/128708 WO 20091022
- Main IPC: B66D1/26
- IPC: B66D1/26 ; B23P15/04 ; B23Q7/00
Abstract:
A lift construction for lifting and lowering a blade of a windmill is described herein. The lift construction for lifting and lowering a blade of a windmill to and from its mounted position at a rotatable cone of the windmill comprises a first yoke mountable at the inside of the blade and a second yoke mountable in the cone of the windmill, wherein the first yoke and the second yoke are arranged to cooperate.
Public/Granted literature
- US20110042632A1 Method and Lift Construction for Lifting and Lowering a Blade of a Windmill Public/Granted day:2011-02-24
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