Rotor modulation suppressor

Details Rotor modulation suppressor Rotor modulation suppressor

1991-04-23

1993-07-06

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With aircraft

H01Q 128

Patent

active

052258440

ABSTRACT:
The invention is a device for reducing modulation of high frequency signals induced by helicopter rotor blades made of high strength composites and having a metalized leading edge. The device uses a segmented metalized leading edge. The segments are electrically connected by reactive elements selected to alter the self-resonant frequency of the rotor blade and to reduce the antenna Q to a non-interfering frequency range. The reactive elements use "lossy" materials to absorb energy to reduce the magnitude of radio frequency signal induced currents.

REFERENCES:
patent: 4092646 (1978-05-01), Newington
patent: 4635066 (1987-01-01), St. Clair et al.

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