Back-to-back ridged branch manifold structure for a radar freque

Details Back-to-back ridged branch manifold structure for a radar freque Back-to-back ridged branch manifold structure for a radar freque

1990-10-26

1992-08-18

LaRoche, Eugene R.

Communications: radio wave antennas

Antennas

Wave guide type

343853, 333114, 333137, H01Q 336, H01P 518

Patent

active

051403358

ABSTRACT:
RF manifolding for a radar antenna which allows tight spacing of Phase Control Modules (PCMs) is disclosed. The manifolding consists of ridged branch manifold waveguides to which ridged cross waveguide sections are installed. Each branch manifold waveguide of the present invention has ridges on one broad wall, coupling slots on another broad wall, and a plurality of cross waveguides connected on the side having the coupling slots. The cross waveguides are likewise provided with ridges on one broad wall, which are oriented at right angles to the ridges of the branch manifold waveguide, and have coupling slots on the opposite broad wall which correspond to the coupling slots of the branch manifold waveguide. The PCMs are mounted on the end of each cross waveguide, parallel to the ridges thereof. The branch manifold waveguide assemblies, comprising the branch manifold waveguides, the cross waveguides, and the PCMs, are installed on the antenna in parts and oriented back-to-back, with their ridges contacting to enclose a space defined by the walls of the two branch manifolds. The space enclosed between the branch manifold waveguides of the assembled pair by virtue of these ridges may be used for fluid cooling in high power antenna applications.

REFERENCES:
patent: H392 (1987-12-01), Staehlin
patent: 2951997 (1960-09-01), Stone
patent: 3434139 (1969-03-01), Algeo
patent: 3518576 (1970-06-01), Algeo
patent: 3518689 (1970-06-01), Algeo et al.
patent: 3906502 (1975-09-01), Connolly
patent: 4952894 (1990-08-01), Connerney et al.

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