U.S. Patent Specifications

Abstract

An air speed indicator comprising a Pitot head, pressure‐sensitive indicating means operated by changes of pneumatic pressure at the Pitot head, heating means for the Pitot head, an ice‐accretion detector and means operated by the said detector for controlling said heating means to provide heating of the Pitot head only when ice is present.

Citation

(1941), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 13 No. 6, pp. 177-178. https://doi.org/10.1108/eb030794