Patent · US Active

Ground illumination aircraft light unit and aircraft comprising the same

US9889948B2 · kind B2 · utility

5Cited by

11References

18Claims

0Family size

Assignee

Goodrich Lighting Systems, Inc. · DE

Inventors

Andre Hessling von Heimendahl · Koblenz, DE
Christian Schoen · Dortmund, DE
Anil Kumar Jha · Lippstadt, DE

Key dates

Filing date	Sep 30, 2015
Grant date	Feb 13, 2018
Priority date	—
Expiry date	Dec 7, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21W2107/30
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A ground illumination aircraft light unit has an operating light emission distribution for illuminating a ground area below an aircraft, wherein the ground illumination aircraft light unit is configured to be mounted to an underside of an aircraft fuselage, and wherein the operating light emission distribution includes a straight downward emission direction normal to the ground area and covers a solid angle of illumination around the straight downward emission direction, wherein the solid angle of illumination is at least 1.3 π sr.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.