A navigation light 10 comprises an aerodynamically profiled housing 11A, 11B fittable to an appropriate flat surface on an aircraft, ship or land vehicle, the housing 11A, 11B enclosing a light source 21 or having means to access the light from a separate light source and an optical diffuser 15. The optical diffuser 15 has a window 13 forming part of the aerodynamic profiling and the geometrical design of the diffuser 15 is such that all light passed into it is emitted uniformly throughout the angles prescribed by regulations for that aeroplane, ship or land vehicle. The diffuser15 may surround the light source 21 and reflectors 17, 18 may be provided to prevent glare and to ensure that all light emitted from the light source 21 emerges from the diffuser 15. The light source(s) 21 could be light emitting diodes (LEDs) and the housing 11A, 11B is designed to be considerably smaller than present designs so reducing aerodynamic drag. The combination of diffuser 15 and LEDs 21 offers great improvements in reliability and reduced maintenance and the diffuser 15 is adapted to eliminate glare. A plurality of lights sources 21 may be arranged side by side or in an elongated matrix. A variation of the design uses an adjacent light source with the light taken into the housing via either fibre optics or a light transmitting element (25 fig. 11).


    Access

    Download


    Export, share and cite



    Title :

    Navigation lights


    Contributors:

    Publication date :

    2017-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



    Navigation lights

    TIMOTHY JAMES LYSONS / DARREN MARK CAVAN | European Patent Office | 2017

    Free access

    Anti-collision navigation test method for navigation lights and signal lights

    DU SHENGGANG / HUANG XUEFENG / YANG CHANGDI et al. | European Patent Office | 2023

    Free access

    Navigation lights for port of Leith

    Suthton-Jones, K.C. | Engineering Index Backfile | 1952



    The Evolution of Navigation Lights for Ships

    Kemp, John | Online Contents | 1995