Two patterns of air plane engine inlet hot-air anti-icer are introduced in this paper, one is circumferential anti-icer, the other is double skin corrugated chord direction anti-icer.

摘飞机发动机防冰飞行安有十分重的意义，气防冰系统，前缘防冰器的结构型式防冰的效果影响很大。