Method and connecting piece for assembling an arm,...

Details Method and connecting piece for assembling an arm,... Method and connecting piece for assembling an arm,...

2011-07-19

2011-07-19

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Hollow

C029S889710

Reexamination Certificate

active

07980827

ABSTRACT:
Method and connecting piece for assembling a first and a second arm section in extension of one another in order thus to form at least a part of an arm, preferably a windmill arm, where two arm sections are connected to at least one connecting piece for mounting between the two arm sections. The connecting piece is provided with a first flange for attachment to the end of the first arm section and a second flange for attachment to the end of the second arm section, the first and the second flange being firmly interconnected. The first and the second flange are each provided with at least one hole for a bolt which extends through the hole from the connecting piece and into the adjacent arm section, this bolt or these bolts securing each arm section to the adjacent flange.

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H.Hald et al.; “The DFVLR—25m—Wind Energy Converter”; European Wind Energy Conference; Oct. 22-26, 1984; pp. 102-107.

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