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    • 52. 发明专利
    • METHOD AND DEVICE FOR REMOVING ICE ON LEADING EDGE
    • JPH107096A
    • 1998-01-13
    • JP5903197
    • 1997-03-13
    • GOODRICH CO B F
    • BRISCOE JAMES APUTT JAMES CPHILLIPS II RONALD W
    • B64D15/18B64D15/16
    • PROBLEM TO BE SOLVED: To crack or break the deposited ice on an external plate by providing an inflatable, tubular member below an outer surface of a leading edge formed of the material with the elastic modulus at least not less than the prescribed value, and generating distortion of the outer surface and the strain in the chord direction on the outer surface within the prescribed period of time after the inflation is started. SOLUTION: The elastic modulus of an outer surface layer 12 of a leading edge is 40,000kPa, and an inflatable member 24 is of tubular structure formed of the woven fabric which is extended along the length of an ice removing device and one side of which is coated with the blended rubber for rubber coating. The inflatable member 24 is of the size and shape in which an outer plate on the outer side is deformed above the tubular member so that the elongation does not exceed 0.25cm when the member is generally inflated to the degree of about 69kPa-276kPa, and the member is periodically operated within 0.25 second. An outer plate on the outer side is distorted as the tubular member 24 is inflated. Distortion in the chord direction is generated in the outer plate on the outer side to break adhesion of ice to the outer plate.