Antenna deicing apparatus

Details Antenna deicing apparatus Antenna deicing apparatus

H - Electricity

01

Q

351/53

H01Q 15/16 (2006.01) H01Q 1/02 (2006.01)

Patent

CA 1145458

RCA 73,488 ANTENNA DEICING APPARATUS Abstract A parabolic radiation reflecting sheet member of an antenna is covered over a lower half portion of its convex side with a spaced sheet member which forms a mani- fold chamber with the reflecting sheet member. An upper edge of the manifold lies along a parabolic line along the midsection of the convex side of the antenna. A single hot air inlet conduit is attached to the manifold adjacent a lower edge and centrally of the antenna. A plurality of spaced hot air exhaust ports are positioned on the manifold upper edge and are each individually settable to control the flow of hot air from the inlet to the exhaust ports. The exhaust ports have a restricted aperture area to provide a pressure head in the chamber causing hot air to flow throughout the manifold chamber heating substantially all of the lower half portion of the reflecting sheet member.

357580

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