H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/54
H01Q 15/16 (2006.01)
Patent
CA 2006450
ABSTRACT OF THE DISCLOSURE An improved anti-icing and de-icing system is provided for reflector-type microwave antennas having a paraboloidal reflector and an associated feed horn for launching microwave signals onto the reflector and receiving microwave signals from the reflector. The improved system comprises a non- conductive, insulated enclosure forming an enclosed cavity adjacent the rear side of the reflector, and radiant heating means within the enclosure for heating the rear side of the reflector with radiant energy, whereby the air in said cavity is in turn heated by heat transferred to said air from the rear side of the reflector. The radiant heating means comprises at least one infra- red heating source, and is supplemented by a highly reflective mirror coating disposed on the inside surface of the insulated enclosure behind the heating source to direct the radiant energy emanating from the back of the heating source to all regions of the paraboloidal reflector. Sections of highly reflective mirror coating are also provided on the rear surface of the paraboloidal reflector itself immediately in front of the heating source to divert excess radiant energy emanating from the front of the heating source and to disperse it to all regions of the paraboloidal reflector.
Jones Marianne
Lipkin Charles L.
Andrew Corporation
Marks & Clerk
LandOfFree
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