Apparatus for the detection of the icing-up of the blades of an

Details Apparatus for the detection of the icing-up of the blades of an Apparatus for the detection of the icing-up of the blades of an

1992-09-18

1994-06-07

Chilcot, Jr., Richard E.

Measuring and testing

Navigation

Take-off and landing monitors

73862195, G01C 2100

Patent

active

053179153

ABSTRACT:
An apparatus for the detection of the icing-up of an aircraft rotor. The apparatus has a sensor (10) for the tractive force and a sensor (11) for torque; for measuring respectively the axial force and the torque exerted on the shaft of the rotor. A device (12) calculates the ratio between these two quantities. A determination is also made, as a function of the flying conditions, of what should be the nominal value of this ratio in the absence of icing-up. Finally a device (12) compares the calculated ratio with the nominal ratio.

REFERENCES:
patent: 4573351 (1986-03-01), Weiner
patent: 4780838 (1988-10-01), Adelson

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