Icing detector for aircraft

Details Icing detector for aircraft Icing detector for aircraft

1997-08-20

2000-01-04

Poon, Peter M.

Aeronautics and astronautics

Aircraft structure

Ice prevention

340962, 340583, 25055941, B64D 1520

Patent

active

060100958

ABSTRACT:
According to the invention, there is provided an icing detector for detecting presence of both rime ice and clear ice in air comprising an ice collecting surface facing an oncoming air stream; light emitting apparatus for emitting a light beam crossing the ice collecting surface, having a prismatic light refracting window for refracting the light beam in a first direction, when no ice is present on the ice collecting surface; light sensing apparatus in a path of the second direction, and annunciating apparatus coupled to the light sensing apparatus for annunciating presence of ice when light is sensed by the light sensing apparatus.

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