Wind turbine tower joints

Details Wind turbine tower joints Wind turbine tower joints

2011-03-07

2011-12-27

Gilbert, William (Department: 3635)

Static structures (e.g., buildings)

Elongated rigid structure

End-to-end connected sections

C052S845000, C138S155000, C174S0450TD

Reexamination Certificate

active

08082719

ABSTRACT:
A wind turbine tower, includes a first substantially tubular wall section having a tapered edge; a second substantially tubular wall section, arranged substantially coplanar with the first wall section, having a flared edge for seating against the tapered edge of the first wall section; and at least one fastener for securing the tapered edge of the first wall section to the flared edge of the second wall section. The at least one fastener includes a bolt extending through the tapered edge and the flared edge, and the bolt is arranged substantially perpendicular to a longitudinal axis of the first and second wall sections.

REFERENCES:
patent: 114138 (1871-04-01), Hersey
patent: 1743439 (1930-01-01), De Witt
patent: 1979141 (1934-10-01), Clark et al.
patent: 2301976 (1942-11-01), Schellens
patent: 6191355 (2001-02-01), Edelstein
patent: 6399881 (2002-06-01), Edelstein
patent: 2005/0005552 (2005-01-01), Shuttleworth et al.
patent: 2006/0123735 (2006-06-01), Fuellhaas et al.
patent: 2007/0245680 (2007-10-01), Cairo
patent: 2010/0101173 (2010-04-01), Bagepalli
patent: 10152018 (2003-04-01), None

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