Vehicle interior assemblies having electrically conductive coating layer(s) within the A-surface of their covers

Patent metadata

Field	Value
Publication number	US-12377765-B2
Application number	US-202117480334-A
Country	US
Kind code	B2
Filing date	Sep 21, 2021
Priority date	Sep 21, 2021
Publication date	Aug 5, 2025
Grant date	Aug 5, 2025

Abstract

A vehicle interior assembly, such as a vehicle seat or a steering wheel, includes a cover assembly covering a frame. The cover assembly includes a vinyl or non-woven textile cover and an electrically conductive coating layer (“ECCL”) within an A-surface of the cover. The ECCL may function as a heater, a capacitive touch control, or lighting. Another cover assembly includes first and second ECCLs within an A-surface of a cover. The first ECCL functions as a heater and the second ECL functions as a capacitive touch control. Another cover assembly includes an ECCL and a Positive Temperature Coefficient (PTC) coating layer within an A-surface of a cover. The ECCL functions as a heater dependent on current received from a power source via the PTC coating layer. The PTC coating layer regulates the current received by the ECCL from the power source dependent on a temperature of the PTC coating layer.

First claim

What is claimed is:

1. A vehicle interior assembly, comprising:
a frame; and
a cover assembly covering the frame, the cover assembly including a cover that is a vinyl or non-woven textile and an electrically conductive coating layer within an A-surface of the cover,
wherein the electrically conductive coating layer comprises a first plurality of conductive areas and a second plurality of conductive areas, which are independently connected to a wiring of an electrical power source of a vehicle configured to enable selective heating of the first plurality of conductive areas and the second plurality of conductive areas.

2. The vehicle interior assembly of claim 1 , wherein:
the cover assembly further includes a base coat on the cover, a color coat, and a topcoat on the color coat, the electrically conductive coating layer being between the base coat and the color coat.

3. The vehicle interior assembly of claim 1 , wherein:
the electrically conductive coating layer functions as an electrical resistance heater and is connectable to wiring of an electrical power source of a vehicle.

4. The vehicle interior assembly of claim 1 , wherein:
the electrically conductive coating layer functions as an electrically conductive touch control and is connectable to wiring of a control system of a vehicle.

5. The vehicle interior assembly of claim 1 , wherein:
the electrically conductive coating functions as electroluminescent or electrochromic lighting and is connectable to wiring of a lighting system of a vehicle.

6. The vehicle interior assembly of claim 1 , wherein: the vehicle interior assembly is a vehicle seat.

7. The vehicle interior assembly of claim 1 , wherein: the vehicle interior assembly is a steering wheel.

8. The vehicle interior assembly of claim 1 , wherein:
the electrically conductive coating layer includes a plurality of electrically conductive coating film areas, the electrically conductive coating film areas patterned or spaced apart with conductive traces to allow perforation or quilting of the cover.

9. A vehicle interior assembly, comprising:
a frame; and
a cover assembly covering the frame, the cover assembly including a cover, a first electrically conductive coating layer within an A-surface of the cover, a second electrically conductive coating layer within the A-surface of the cover, and an insulator sandwiched between the first and second electrically conductive coating layers within the A-surface of the cover, and
wherein one of the first electrically conductive coating layer and the second electrically conductive coating layer functions as an electrical resistance heater and is connectable to wiring of an electrical power source of a vehicle and the other one of the first and second electrically conductive coating layers functions as a capacitive conductive touch control and is connectable to wiring of a control system of the vehicle, and
wherein one of the first electrically conductive coating layer or the second electrically conductive coating layers functioning as the electrical resistance heater comprises a first plurality of conductive areas and a second plurality of conductive areas, which are independently connectable to a wiring of an electrical power source of a vehicle configured to enable selective heating of the first plurality of conductive areas and the second plurality of conductive areas.

10. The vehicle interior assembly of claim 9 , wherein: the cover is a vinyl or a non-woven textile.

11. The vehicle interior assembly of claim 9 , wherein: the cover is a leather.

12. The vehicle interior assembly of claim 9 , wherein: the first electrically conductive coating layer functions as the electrical resistance heater and the second electrically conductive coating layer functions as a capacitive conductive touch control.

13. The vehicle interior assembly of claim 9 , wherein: the vehicle interior assembly is a vehicle seat.

14. The vehicle interior assembly of claim 9 , wherein: the vehicle interior assembly is a steering wheel.

15. A vehicle interior assembly, comprising:
a frame;
a cover assembly covering the frame, the cover assembly including a cover, an electrically conductive coating layer within an A-surface of the cover, and a Positive Temperature Coefficient (PTC) coating layer within the A-surface of the cover and in physical contact with the electrically conductive coating layer;
wherein the electrically conductive coating layer functions as an electrical resistance heater dependent on an amount of electrical current received from an electrical power source via the PTC coating layer; and the PTC coating layer regulates the amount of electrical current received by the electrically conductive coating layer, which is in physical contact with the PTC coating layer, from the electrical power source dependent on a temperature of the PTC coating layer.

16. The vehicle interior assembly of claim 15 , wherein: the cover is a vinyl or a non-woven textile.

17. The vehicle interior assembly of claim 15 , wherein: the cover is a leather.

18. The vehicle interior assembly of claim 15 , wherein: the vehicle interior assembly is a vehicle seat.

19. The vehicle interior assembly of claim 15 , wherein: the vehicle interior assembly is a steering wheel.

20. The vehicle interior assembly of claim 15 , further comprises an insulator layer, which insulates the electrically conductive coating layer and the PTC coating layer.

Assignees

• Lear Corp

Inventors

• Bailey Christopher Todd

Classifications

• H05B1/0238

  For seats · CPC title

• B60Q3/233

  Seats; Arm rests; Head rests · CPC title

• B60Q3/283

  Steering wheels; Gear levers · CPC title

• H03K17/962

  Capacitive touch switches · CPC title

• H05B2203/02

  Heaters using heating elements having a positive temperature coefficient · CPC title