Power transfer ripple reduction method and means for rotary annu

Details Power transfer ripple reduction method and means for rotary annu Power transfer ripple reduction method and means for rotary annu

1979-12-26

1981-02-24

Moore, David K.

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

333261, H01Q 300

Patent

active

042531012

ABSTRACT:
A rotary annular, around-the-mast, radio frequency coupler having two concentric sets of generally axial loops, one fixed (stator set) and the other rotatable (rotor set) for electromagnetically coupling between a fixed and rotatable structure, such as a rotating antenna sub-system.
Two methods and corresponding structure are provided for reducing the power transfer ripple occurring during rotation. These are prime related different loop totals between rotor and stator and angular canting of one loop set with respect to the other.

REFERENCES:
patent: 2426226 (1947-08-01), Labin et al.
patent: 3066291 (1962-11-01), Alford
patent: 3123782 (1964-03-01), Parisi

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