G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 21/00 (2006.01) G01W 1/00 (2006.01) G08B 19/02 (2006.01)
Patent
CA 2535885
Methods and systems for detecting icing or incipient icing conditions external to a vehicle (100) are disclosed. An apparatus in accordance with one embodiment of the invention includes a temperature sensor (120) configured to direct a first signal corresponding to a temperature of an airstream, and a water content sensor (130) configured to direct a second signal corresponding to a water content of the airstream. A processing unit (140) can receive the first and second signals and, based on at least the first and second signals, provide an indication (150) when at least the first and second signals taken together correspond to an at least incipient icing condition. Accordingly, the system can be installed on aircraft to provide notice to the crew of incipient or existing icing conditions.
L'invention concerne des procédés et des systèmes pour la détection de conditions de givrage externe établies ou imminentes sur un véhicule (100). On décrit un dispositif qui, selon une variante, comporte un capteur de température (120) capable de fournir un premier signal correspondant à une température de flux d'air, et un capteur de teneur en eau (130) capable de fournir un second signal correspondant à une teneur en eau du flux d'air. Une unité de traitement (140) reçoit les signaux en question et, au moins à partir de ces premier et second signaux, elle fournit une indication (150) lorsque lesdits signaux combinés correspondent au moins à une condition de givrage imminente. Il est possible d'installer le système sur un aéronef pour informer l'équipage de conditions de givrage établies ou imminentes.
Cook Donald E.
Feider Michael P.
Smart & Biggar
The Boeing Company
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