PROBLEM TO BE SOLVED: To avoid making an excessive electric current flow into a controller and the like which applies the electric current to a heater, by an induction current flowing into the heater of a windshield when it is struck by lightning.SOLUTION: A windshield 10 of an aircraft includes a plurality of conductive layers 21, 22 and 23 that are arranged along an in-plane direction of the windshield 10 and wire-connected to one another. The plurality of conductive layers 21, 22 and 23 are heaters that are supplied with a three-phase alternating current to generate heat, and wire-connected so that each induction current Iinduced by a magnetic field H associated with a lightning current Ican be circulated among the conductive layers 21, 22 and 23.SELECTED DRAWING: Figure 2
【課題】被雷時に風防のヒータに流れる誘導電流により、ヒータに電流を印加する制御器等に過大な電流が流れることを避けること。【解決手段】航空機の風防10は、風防10の面内方向に沿って配置されるとともに互いに結線される複数の導電層21,22,23を備えている、複数の導電層21,22,23は、三相交流が供給されることで発熱するヒータであり、雷電流ITに伴う磁場Hにより各々に誘起された誘導電流IIDが導電層21,22,23間で循環するように結線されている。【選択図】図2
WINDSHIELD OF AIRCRAFT
航空機の風防
2016-08-22
Patent
Electronic Resource
Japanese
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