IP Library › Granted Patent US 12,325,514
Granted Patent B2
US 12,325,514 · App. 18/193,217 · Granted Jun 10, 2025

LED tail rotor safety and status indication lighting system

Inventor: Mathew Chapdelaine (Fort Worth, TX)
Assignee: Textron Innovations Inc.
B64C27/006B64C27/82B64D47/06B64C2027/8281B64C2027/829B64D2203/00
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Quick Facts
Patent No.
US 12,325,514
App. No.
18/193,217
Granted
Jun 10, 2025
Kind
B2
Abstract

One embodiment is a rotorcraft comprising a fuselage; an empennage at an aft end of the fuselage; a tail rotor connected to the empennage; and a tail rotor guard (TRG) around the tail rotor, the TRG shrouding to the tail rotor; and a light emitting diode (LED) lighting element integrated into at least one surface of the TRG.

Claims (16)

1. A rotorcraft comprising:

a fuselage;

an empennage at an aft end of the fuselage;

a tail rotor connected to the empennage;

a tail rotor guard (TRG) around the tail rotor, the TRG shrouding to the tail rotor; and

a light emitting diode (LED) lighting element integrated into at least one surface of the TRG;

wherein a state of the LED lighting element indicates a status of the rotorcraft.

2. The rotorcraft of claim 1 , wherein the at least one surface of the TRG comprises side edges of the TRG.

3. The rotorcraft of claim 1 , wherein the at least one surface of the TRG comprises leading edges of the TRG.

4. The rotorcraft of claim 1 , wherein the at least one surface of the TRG comprises trailing edges of the TRG.

5. The rotorcraft of claim 1 , wherein the at least one surface of the TRG comprises one or more of a leading edge, a side edge, and a trailing edge of the TRG.

6. The rotorcraft of claim 1 , wherein the LED lighting element comprises a plurality of LED lighting elements disposed on a single edge of the TRG.

7. The rotorcraft of claim 1 , wherein the LED lighting element comprises an LED light tube.

8. The rotorcraft of claim 1 , wherein the LED lighting element comprises an LED light strip.

9. The rotorcraft of claim 1 , wherein the state of the LED lighting element comprises at least one of a color of the LED lighting element, a frequency with which the LED lighting element flashes, a brilliance of the LED lighting element, and an intensity of the LED lighting element.

10. The rotorcraft of claim 1 , wherein the LED lighting element comprises a plurality of LED lighting elements, and wherein each of the LED lighting elements is in a different state than the other ones of the LED lighting elements simultaneously and wherein the different states collectively indicate the status of the rotorcraft.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 30, 2023
From: CHAPDELAINE, MATHEW
To: BELL TEXTRON INC.
Reel/Frame 063176/0667 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 30, 2023
From: BELL TEXTRON INC.
To: TEXTRON INNOVATIONS INC.
Reel/Frame 063176/0798 →
Continuity (2)
Continuation In Part 17873983 · Jul 26, 2022
Related Publication 20240034464A1 · Feb 1, 2024
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