PALE D'EOLIENNE FURTIVE ET EOLIENNE MUNIE D'UNE TELLE PALE

The blade (1) has a wall (2) with variable thickness (e) and made of composite material, where the blade is made of composite material of glass, polyester or epoxy resin. Matching circuits (6, 7) under the form of metallic periodic loop circuits, have inductive or capacitive behavior to reduce refle...

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Bibliographische Detailangaben
1. Verfasser:	COLLIGNON GERARD
Format:	Patent
Sprache:	fre
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS BLASTING ELECTRICITY HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The blade (1) has a wall (2) with variable thickness (e) and made of composite material, where the blade is made of composite material of glass, polyester or epoxy resin. Matching circuits (6, 7) under the form of metallic periodic loop circuits, have inductive or capacitive behavior to reduce reflection coefficient of the blade for an operating frequency band of radar. The number of utilized matching circuits is based on the wall thickness and wavelength of a radar signal in the composite material for a center frequency of the operating frequency band of the radar.