Wind turbine blade with a light beacon at the tip

Details Wind turbine blade with a light beacon at the tip Wind turbine blade with a light beacon at the tip

2009-02-02

2011-10-18

Sarkar, Asok (Department: 2891)

Fluid reaction surfaces (i.e., impellers)

Combined or convertible

Hub lubrication or seal

C438S005000, C438S062000

Reexamination Certificate

active

08038401

ABSTRACT:
Wind turbine blade (11) with a flashing beacon on its tip which is connected to the wind turbine rotor hub (13) where this beacon includes a lighting module (21) in the tip area of the blade (11) which is supplied by a device that includes a light emitter (23) situated in the hub (13) or in the root area of the blade (11), a light to electrical energy converter (27) connected directly to this lighting module (21) and a conductor (25) of light but not electrical energy from this light emitter (23) to this converter (27).

REFERENCES:
patent: 6867710 (2005-03-01), Wobben
patent: 7238007 (2007-07-01), Wobben
patent: 2007/0160338 (2007-07-01), Mortensen et al.
patent: 2010/0221111 (2010-09-01), Nieuwenhuizen
patent: 10160360 (2003-06-01), None
patent: 1544460 (2005-06-01), None
patent: 2467295 (2010-07-01), None
patent: WO 03104648 (2003-12-01), None
patent: WO 2006/028481 (2006-03-01), None
patent: WO 2007068254 (2007-06-01), None
patent: WO 03/050412 (2011-06-01), None

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