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公开(公告)号：EP3650349A1
公开(公告)日：2020-05-13
申请号：EP18306459.1
申请日：2018-11-07
申请人： Ratier-Figeac SAS
摘要： A method of detecting that ice (130) has been shed from an external surface (111) of a component (110) is provided, the method comprising applying power to a heating means (120) to provide heat to said external surface (111). The method further comprises sensing the temperature of the component (110) and calculating the rate of change of temperature increase of the external surface (111) over time. Further, the method comprises detecting a change in said rate of change of temperature increase over time, wherein said detected change in rate of change of temperature increase indicates that said ice has been shed from said external surface (111) of said component (100).
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公开(公告)号：EP3546364A1
公开(公告)日：2019-10-02
申请号：EP18305342.0
申请日：2018-03-28
申请人： Ratier-Figeac SAS
摘要： A de-icing apparatus configured to remove ice from a surface part of an aircraft, the de-icing apparatus comprising a heating layer and a conductive surface extending over, and in heat conductive contact with, the heating layer, the conductive surface defining at least a part of the surface part of the aircraft or an aircraft component; the heating layer comprising heating elements (3) defining substantially closed contour zones, each comprising a periphery formed by the heating elements (3) within which an area is defined; the heating layer and the conductive surface configured such that when power is provided to the apparatus the heating elements (3) which fragment ice formed on the surface part of the aircraft according to the shape of the peripheries of the substantially closed contour zones, and wherein on continued application of power, heat from the heating elements (3) then spreads into the areas within the peripheries of the substantially closed contour zones due to conduction of heat from the heating elements (3) through the leading edge (2).
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