Month in the Patent Office

Month in the Patent Office Means for reducing the head resistance of aircooled engines and like obstructions on aircraft comprise moving, approximately peripherally of the radial airflow,one or more elemental aerofoils or riders, each of which is of aerofoil shape in longitudinal crosssection and is preferably of arcuate or approximately arcuate shape in end view. As shown, two or more riders 5 are mounted on rotatable arms 6. The riders are caused to autorotate by offsetting a portion 7 as shown, or they may be positively driven by the airscrew. Riders may be arranged to sweep out radially displaced surfaces and they may be connected together by rings. In a modification, a cowl is provided with louvres to cause it to autorotate and with other louvres to give an inward blower effect. According to the Provisional Specification, the arms carrying the riders may be hinged and the propeller may be provided with bearings on its blades to carry the riders. Specifications 331,283, Class 4, and 377,178 are referred to. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb030052
Publisher site
See Article on Publisher Site

Abstract

Means for reducing the head resistance of aircooled engines and like obstructions on aircraft comprise moving, approximately peripherally of the radial airflow,one or more elemental aerofoils or riders, each of which is of aerofoil shape in longitudinal crosssection and is preferably of arcuate or approximately arcuate shape in end view. As shown, two or more riders 5 are mounted on rotatable arms 6. The riders are caused to autorotate by offsetting a portion 7 as shown, or they may be positively driven by the airscrew. Riders may be arranged to sweep out radially displaced surfaces and they may be connected together by rings. In a modification, a cowl is provided with louvres to cause it to autorotate and with other louvres to give an inward blower effect. According to the Provisional Specification, the arms carrying the riders may be hinged and the propeller may be provided with bearings on its blades to carry the riders. Specifications 331,283, Class 4, and 377,178 are referred to.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: May 1, 1936

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