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.

• 摘要飞机发动机防冰对飞行安全具有十分重要的意义，对于热气防冰系统，前缘防冰器的结构型式对防冰的效果影响很大。