Accession Number : ADD018689

Title :   Fin Assembly for a Vehicle

Descriptive Note : Patent, Filed 1 May 96, patented 26 Aug 97

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Cho, Chahee P ; Olson, Stanley J

Report Date : 26 Aug 1997

Pagination or Media Count : 7

Abstract : A fin assembly for effecting guidance of a vehicle through a fluid medium includes an electromagnet fixed in a portion of the vehicle, and a rigid shaft fixed to a hull portion of the vehicle and extending outwardly therefrom and in alignment with the electromagnet. A fin is rotatably mounted on the shaft and is, at least in part, a permanent magnet. A switch assembly is provided in the vehicle for effecting in a first portion of the electromagnet an attractive force between the electromagnet and the permanent magnet, and in a second portion of the electromagnet a repelling force there between, to cause the fin to rotate on the shaft in a selected direction to effect the guidance of the vehicle.

Descriptors :   *FINS, *PATENTS, *HYDRODYNAMIC CONTROL SURFACES, SUBMARINES, SUBMARINE HULLS, HYDRODYNAMICS, PERMANENT MAGNETS, ELECTROMAGNETS

Subject Categories : Submarine Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE