Fluid reaction surfaces (i.e. – impellers) – Removable auxiliary attachment to work surface
Reexamination Certificate
2005-08-25
2011-11-15
Edgar, Richard (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Removable auxiliary attachment to work surface
Reexamination Certificate
active
08057176
ABSTRACT:
The present invention concerns a wind power installation and in particular the identification of a wind power installation as an aviation obstruction. The object of the present invention is to provide a simple daytime identification which can be easily modified and which avoids the disadvantages of the blades identified by color marking. Apparatus for temporary signal identification of a wind power installation wherein the apparatus comprises a sheath which is of a predetermined colored configuration and also has releasable fixing means for releasably fixing the sheath to a rotor blade of the wind power installation, wherein during fixing the sheath at least partially encloses the rotor blade.
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Bundesministerium Für Verkehr, Bau- und Wohnungswesen: Nachrichten Für Luftfahrer, Bd. 1, Nr. 48, Dec.23, 1999.
Edgar Richard
Seed IP Law Group PLLC
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