| US 7,564,373 B2 | ||
| System and method for detecting ice formation on an aircraft | ||
| Clyde F. Platt, White Plains, N.Y. (US) | ||
| Assigned to Safe Flight Instrument Corporation, White Plaines, N.Y. (US) | ||
| Filed on Nov. 30, 2006, as Appl. No. 11/564,878. | ||
| Prior Publication US 2008/0128556 A1, Jun. 05, 2008 | ||
| Int. Cl. G08B 21/00 (2006.01); B64D 15/20 (2006.01) | ||
| U.S. Cl. 340—962 [244/134 F] | 16 Claims |
| 1. A system for detecting ice formation on an outer surface, said system comprising:
means defining a small moveable surface area flush with the outer surface of an aircraft and exposed to the atmosphere;
means for rotating said small moveable surface to break any ice formed between said small moveable surface and the surface
of an aircraft;
means for determining the torque required to rotate the small moveable surface area; and
means for warning a pilot of ice formation when the torque required to rotate the small moveable surface area exceeds a pre-selected
amount.
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