Aircraft control surface position transducer

Details Aircraft control surface position transducer Aircraft control surface position transducer

1991-06-19

1993-01-26

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With protective or reliability increasing features

318586, 244232, 74 40, B64C 1330

Patent

active

051825058

ABSTRACT:
A retrofit apparatus for providing a signal indicative of the position of an aircraft control surface comprises a rotary coupling flexibly coupled to the control surface, an extensible coupling driven by the rotary coupling, a quadric-chain linkage coupled to the extensible coupling for converting a linear output into a substantially translatory displacement, a linkage for converting the translatory displacement into a substantially angular motion, and a transducer coupled to the linkage for converting the angular motion into an electrical output indicative of the position of the aircraft control surface. The invention is a simple modification to an existing quadric-chain linkage driving a mechanical indicator, enabling an electrical transducer to be retrofitted in the crowded control stand of an aircraft.

REFERENCES:
patent: 3679156 (1972-07-01), Redmond, Jr.
patent: 4649484 (1987-03-01), Herzog et al.
patent: 4915016 (1990-04-01), Burandt
patent: 4947070 (1990-08-01), Hill et al.
patent: 4970861 (1990-11-01), Randall

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