Heater for an automotive vehicle and method of forming same

• US 9,657,963 B2
• Filed: 02/21/2014
• Issued: 05/23/2017
• Est. Priority Date: 05/27/2010
• Status: Expired due to Fees

• Current Assignee: Gentherm Canada Limited
• Original Assignee: Gentherm Canada Limited
• Inventors: Iqbal, Syed, Lazanja, Marinko, Zuzga, Matthew, Csonti, Sergiu, Spasojevic, Igor, Normand, Tim
• Primary Examiner(s): Fuqua, Shawtina
• Application Number:
  US14/186,070
• Publication Number:
  US 20140187140A1
• Time in Patent Office: 1,187 Days
• CPC Class Codes: A47C 7/748 for heating
• CPC Class Codes: B60N 2/5685 Resistance
• CPC Class Codes: F24H 3/0411 for domestic or space-heating systems
• CPC Class Codes: H01C 17/06 adapted for coating resistive material on a base
• CPC Class Codes: H05B 1/0238 For seats
• CPC Class Codes: H05B 1/028 Airconditioning
• CPC Class Codes: H05B 2203/006 using interdigitated electrodes
• CPC Class Codes: H05B 2203/016 Heaters using particular connecting means
• CPC Class Codes: H05B 2203/029 Heaters specially adapted for seat warmers
• CPC Class Codes: H05B 3/36 heating conductor embedded in insulating material
• CPC Class Codes: Y10T 29/49083 Heater type

Abstract

A heated seat comprising: a cushion with one or more trench areas; a heater comprising: a carrier with a periphery, the carrier further including: a first electrically functional layer that is made of a conductive material that substantially circumscribes at least a portion of the carrier; and a second electrically functional layer that is made of a resistive material; one or more electrical conductors attached to the first electrically functional layer; a trim layer that covers the cushion when the heater is placed over the cushion; and wherein the periphery includes a first side edge and a second side edge, and each side edge includes a cutout, and the cutouts are located adjacent to each other forming a neck portion; wherein the heater is attached to the cushion by placing an attachment device over the neck portion of the heater and securing one or both ends of the attachment device to the cushion so that the neck portion is pulled into the trench; wherein the neck portion is free of the second electrically functional layer; and wherein the first electrically functional layer and the second electrically functional layer form a checkered pattern.

Claims

1. A heater comprising:

i. a carrier including;

1. a periphery including a first side edge and a second side edge;

2. one or more internal slits; and

3. one or more cutouts, wherein the first side edge and the second side edge each include a cutout;

ii. a first electrically functional layer that is made of a conductive material comprising;

1. a first electrode that substantially extends around the periphery of the carrier in a generally continuous manner; and

2. a second electrode that substantially circumscribes at least a portion of the one or more internal slits;

iii. a second electrically functional layer that is made of a resistive material;

iii. one or more electrical conductors attached to the first electrically functional layer;

wherein the heater is attached to an area to be heated by placing an attachment device over a portion of the heater and securing one or both ends of the attachment device to the area to be heated; and

wherein a portion of the carrier is free of the second electrically functional layer.

2. The heater of claim 1, wherein the cutout of the first side edge and the cutout of the second edge are located symmetrically on the carrier to create a neck portion therebetween, wherein the neck portion is free of the second electrically functional layer.

3. The heater of claim 2, wherein the neck portion includes an internal cutout that separates the neck portion into two sections, and wherein one or more internal slits are located above the internal cutout and one or more internal slits are located below the internal cutout.

4. The heater of claim 3, wherein the second electrode substantially circumscribes at least a portion of the internal cutout and the one or more internal slits in a generally continuous manner.

5. The heater of claim 1, wherein the first electrode is without any discretely defined ends.

6. The heater of claim 1, further including a third layer covering the carrier, the first electrically functional layer, the second electrically functional layer, or combination thereof.

7. The heater of claim 1, wherein the heater is part of a ventilation system, wherein the ventilation system includes one or more air movers.

8. The heater of claim 7, wherein the carrier includes one or more features to allow the one or more air movers to pass air through the carrier.

9. The heater of claim 1, wherein the heater is part of an actively cooled system, and wherein the carrier includes one or more features to allow one or more air movers to pass air through the carrier.

10. The heater of claim 1, wherein the heater is placed over an air distributor that includes one or more air movers that move air through one or more features of the carrier, wherein the air distributor includes a spacer material.

11. The heater of claim 1, wherein the heater is integrated into and heats a structure, panel, floor, wall, or a combination thereof.

12. The heater of claim 1, wherein the one or more electrical conductors are attached via a mechanical electrical connector that includes only an attachment portion and a backing portion, and the electrical conductor is a wire with a gauge of 18 or smaller.

13. The heater of claim 1, wherein the heater is used with an air distributor, and the heater is one wall of the air distributor.

14. The heater of claim 1, wherein the carrier includes a lobed portion and the one or more electrical conductors are two electrical conductors and the two electrical conductors are connected to the first electrically functional layer via electric terminals that are located in the lobed portion.

15. The heater of claim 14, wherein the lobe is symmetrically located on the carrier by an axis defined from midpoints along a top edge and a bottom edge of the carrier.

16. The heater of claim 3, wherein the internal cutout, the one or more internal slits that are located above the internal cutout, and the one or more internal slits that are located below the internal cutout divide the heater into four quadrants and each of the four quadrants includes one or more features.

17. The heater of claim 3, wherein the internal cutout, the one or more internal slits located above the internal cutout, and the one or more internal slits below the internal cutout are sized to connect to form a single aperture.

18. A heater comprising:

i. a carrier including;

1. a periphery including a first side edge, and a second side edge;

2. one or more internal slits;

3. one or more cutouts,

wherein first side edge and the second side edge each include a cutout, and the cutouts are symmetrically located to form a neck portion therebetween; and

4. one or more internal cutouts;

ii. a first electrically functional layer that is made of a conductive material comprising;

1. a first electrode that substantially circumscribes at least a portion of the carrier in a generally continuous manner without any discretely defined ends; and

2. a second electrode, wherein the second electrode substantially circumscribes at least a portion of the one or more internal slits;

iii. a second electrically functional layer that is made of a resistive material;

iv. one or more electrical conductors attached to the first electrically functional layer;

wherein the neck portion includes an internal cutout that separates the neck portion into two sections;

wherein the neck portion is free of the second electrically functional layer;

wherein one or more internal slits are located above the internal cutout and one or more internal slits are located below the internal cutout; and

wherein the internal cutout and the one or more internal slits located above and below the internal cutout divide the heater into four quadrants, and each of the four quadrants include one or more features.

19. The heater of claim 18, wherein the heater is integrated into and heats a structure, panel, floor, wall, or a combination thereof.

20. The heater of claim 18, wherein the carrier includes one or more lobed portions, wherein the one or more lobed portions include one or both the first electrode and the second electrode and one or more electrical terminals attached to the one or both of the first and second electrodes.