IP Library › Granted Patent US 11,167,856
Granted Patent B2
US 11,167,856 · App. 16/274,366 · Granted Nov 9, 2021

Multilayer structure with carbon nanotube heaters

Inventors: Robin Jacob (Bangalore, IN); Guru Prasad Mahapatra (Karnataka, IN)
Assignee: GOODRICH CORPORATION OF CHARLOTTE, NC
B64D15/12H05B3/145H05B3/146H05B2203/01H05B2203/02H05B2214/02H05B2214/04
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Quick Facts
Patent No.
US 11,167,856
App. No.
16/274,366
Granted
Nov 9, 2021
Kind
B2
Abstract

Disclosed is a multilayer structure, comprising: a first heater layer comprising a CNT heater, wherein the CNT heater comprises a composite of carbon nanotubes and silicone; and a second heater layer comprising a PTC heater, wherein the PTC heater comprises a composite of carbon black and polymer; wherein the first heater layer and the second heater layer are first and second respectively in an electrical series; wherein the first heater layer has a negative temperature coefficient with respect to electrical resistivity; and wherein the second heater layer has a positive temperature coefficient with respect to electrical resistivity. Also disclosed is an aircraft component comprising the multilayer structure.

Claims (17)

1. A multilayer structure, comprising:

a first heater layer comprising a CNT heater, wherein the CNT heater comprises a composite of carbon nanotubes and silicone; and

a second heater layer comprising a PTC heater, wherein the PTC heater comprises a composite of carbon black and polymer;

wherein the first heater layer and the second heater layer are first and second respectively in an electrical series;

wherein the first heater layer has a negative temperature coefficient with respect to electrical resistivity; and

wherein the second heater layer has a positive temperature coefficient with respect to electrical resistivity.

2. The multilayer structure of claim 1 , further comprising an adhesive layer.

3. The multilayer structure of claim 1 , further comprising greater than or equal to two adhesive layers.

4. The multilayer structure of claim 2 , wherein the adhesive layer comprises a thermal conductor material, an electrical insulator material, or a combination comprising at least one of the foregoing.

5. The multilayer structure of claim 1 , further comprising a metal layer.

6. The multilayer structure of claim 5 , wherein the metal layer comprises aluminum, steel, or a combination comprising at least one of the foregoing.

7. The multilayer structure of claim 5 , wherein the metal layer is an outer surface of the multilayer structure.

8. The multilayer structure of claim 7 , wherein the metal layer is located closer to the first heater layer than to the second heater layer.

9. The multilayer structure of claim 1 , further comprising a fiber glass layer.

10. The multilayer structure of claim 1 , further comprising greater than or equal to two fiber glass layers.

11. An aircraft component comprising the multilayer structure of claim 1 .

12. The aircraft component of claim 11 , wherein the aircraft component is a wing of the aircraft.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 13, 2019
From: JACOB, ROBIN; MAHAPATRA, GURU PRASAD
To: GOODRICH AEROSPACE SERVICES PRIVATE LIMITED
Reel/Frame 048319/0538 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 13, 2019
From: GOODRICH AEROSPACE SERVICES PRIVATE LIMITED
To: GOODRICH CORPORATION OF CHARLOTTE, NC
Reel/Frame 048319/0755 →
Priority Claims (1)
IN 201811047213 · Dec 13, 2018 · national
Continuity (1)
Related Publication 20200189751A1 · Jun 18, 2020
Cited By (1)
US 12,559,240