To provide an explosion-proof unmanned aircraft capable of flying safely in an explosive atmosphere, in a state that a drive part including an electric motor with the risk of generating electric sparks, is housed in an explosion-proof casing in a completely sealed manner.SOLUTION: Three or more drive parts are provided by being equipped with: an electric motor 5; a rotation shaft 7 of the electric motor 5; a first magnet 6a fixed to one end 7a of the rotation shaft 7; an explosion-proof casing 3 for housing the electric motor 5, the rotation shaft 7 and the first magnet 6a in a gas-tight manner; a second magnet 8a rotatably disposed at a fixed position outside the explosion-proof casing 3 so as to face the first magnet 6a; a drive shaft 9 which fixes the second magnet 8a directly or indirectly to one end 9a1; and rotary blades 2 fixed to the other end 9a2 of the drive shaft 9.SELECTED DRAWING: Figure 2
【課題】電気火花が発生する可能性がある電動モータを含む駆動部を防爆ケーシングに収容して完全に密閉した状態で、爆発性雰囲気において、安全に飛行させることが可能な防爆型無人飛行機を提供する。【解決手段】電動モータ5と、前記電動モータ5の回転軸7と、前記回転軸7の一端部7aに固定された第1の磁石6aと、前記電動モータ5と前記回転軸7と前記第1の磁石6aとを気密に収容する防爆ケーシング3と、前記第1の磁石6aと対向するように前記防爆ケーシング3の外側に定位置で回転可能に配置されている第2の磁石8aと、前記第2の磁石8aを直接又は間接的に一端部9a1に固定する駆動軸9と、前記駆動軸9の他端部9a2に固定する回転翼2とを具備する駆動部を3以上備える。【選択図】図2
EXPLOSION-PROOF UNMANNED AIRCRAFT
防爆型無人飛行機
2020-10-15
Patent
Electronic Resource
Japanese
Falling explosion-proof unmanned aerial vehicle and explosion-proof method thereof
European Patent Office | 2020
|Civil aircraft passenger cabin safety explosion-proof device and explosion-proof method
European Patent Office | 2024
|