Multi-platform LED-based aircraft rear position light

Details Multi-platform LED-based aircraft rear position light Multi-platform LED-based aircraft rear position light

2004-08-18

2008-10-14

Sawhney, Hargobind S (Department: 2885)

Illumination

Supported by vehicle structure

Aircraft

C362S539000

Reexamination Certificate

active

07434970

ABSTRACT:
An aircraft rear position light device (1) has a modular configuration. The device utilizes solid-state light sources. In an exemplary embodiment, the light sources are side-emitting light-emitting diodes (LEDs) (40), which are attached to a heat sink (30). A reflector (200) is positioned next to each of the LEDs. The device further includes an outer lens (10) with an integrated cut-off shield (110) and optical treatments (120). The configuration of LEDs and reflectors, in conjunction with the cut-off shield and optical treatments, allows the emitted light to satisfy predetermined minimum and maximum angular intensity requirements. An electronics module (50) is also attached to the heat sink to connect the LEDs to a power source in the aircraft. Electronic updates may be made by replacing the electronics module.

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