A heater comprising: (a) a non-woven heating layer having: a forward surface, a rearward surface, and a plurality of edges around a periphery of the heating layer; (b) two or more connections to a power source; wherein the heating layer is made up of a plurality of individual fibers that are randoml
A heater comprising: (a) a non-woven heating layer having: a forward surface, a rearward surface, and a plurality of edges around a periphery of the heating layer; (b) two or more connections to a power source; wherein the heating layer is made up of a plurality of individual fibers that are randomly oriented; and wherein substantially all of the non-woven heating layer produces heat when power is to the non-woven heating layer.
대표청구항▼
1. A heater comprising: a. a non-woven heating layer having: i. a plurality of individual fibers, made of carbon, that are randomly oriented;ii. a plurality of voids interspersed between the plurality of individual fibers that are randomly oriented, andiii. a plurality of edges around a periphery of
1. A heater comprising: a. a non-woven heating layer having: i. a plurality of individual fibers, made of carbon, that are randomly oriented;ii. a plurality of voids interspersed between the plurality of individual fibers that are randomly oriented, andiii. a plurality of edges around a periphery of the non-woven heating layer;b. two or more power applications connecting the heater to a power source; andc. one or more forward cover layers; wherein the two or more power applications are sandwiched between the non-woven heating layer and the one or more forward cover layers;wherein the non-woven heating layer produces heat when power is applied to the non-woven heating layer through the two or more power applications so that the heater has a uniform heating density;wherein the two or more power applications include: a. one or more wires sewn to the non-woven heating layer, the one or more wires extending along a length of the non-woven heating layer;b. a porous adhesive layer, having a forward surface and a rearward surface, covering the one or more wires that are in contact with the rearward surface of the porous adhesive layer, andc. a nonwoven power application buss or electrode disposed on the forward surface of the porous adhesive layer so that the one or more wires transfer power to the nonwoven power application buss or electrode disposed on the forward surface of the porous adhesive layer,wherein the one or more wires are both electrically and physically connected to the power source;wherein power is transferred to the non-woven heating layer by both the one or more wires and the nonwoven power application buss or electrode; andwherein the heater includes a forward adhesive layer so that the one or more forward cover layers are adhered directly to each of the two or more power applications; andwherein the heater is configured to be laid over a cushion of a vehicle seat and under a trim cover. 2. The heater of claim 1, wherein the plurality of individual fibers are connected by a binder and the binder is present in an amount from about 1 percent to about 20 percent; andwherein the plurality of individual fibers, made of carbon are present in an amount from about 80 percent to about 99 percent. 3. The heater of claim 2, wherein the non-woven heating layer has a surface power density of about 300 W/m2 or more to about 1000 W/m2 or less. 4. The heater of claim 1, wherein an average fiber length of each of the plurality of individual fibers is about 40 mm or less. 5. The heater of claim 1, wherein the forward surface is covered by the one or more forward cover layers, and the rearward surface is covered by one or more rearward cover layers, or both; wherein the one or more forward cover layers, the one or more rearward cover layers, or both are made of a non-woven fleece, a woven fleece, a woven fabric, a polymeric material, or a combination thereof, that is applied by gluing, surface melting, or a combination thereof. 6. The heater of claim 1, wherein a protecting layer interpenetrates the non-woven heating layer filling all or a portion of the plurality of voids interspersed between the plurality of individual fibers so that the non-woven heating layer is strengthened; the forward surface, the rearward surface, or both are dielectric; porosity of the non-woven heating layer is reduced or eliminated; or a combination thereof. 7. The heater of claim 6, wherein the protecting layer does not entirely surround the plurality of individual fibers so that electrical connections between the plurality of individual fibers remain intact. 8. The heater of claim 1, wherein a material that forms a protecting layer has a viscosity of about 0.0035 Pa*s or more at 20° C. and the non-woven heating layer is dipped in the material, and the material of the protecting layer interpenetrates the plurality of voids and forms a dielectric coating over the entire heating layer. 9. The heater of claim 1, wherein the non-woven heating layer is free of any additives, deposited metals, deposited positive temperature coefficient materials, or a combination thereof that are deposited over a formed heating layer that assist in producing heat. 10. The heater of claim 1, wherein the heater is free of a stabilizing material, hermetic sealing, or both. 11. The heater of claim 1, wherein the heater is free of impregnated filling materials. 12. A seat heater comprising: a. a non-woven heating layer having: i. a plurality of individual fibers, made of carbon, that are randomly oriented,ii. a plurality of voids interspersed between the plurality of individual fibers that are randomly oriented,iii. a forward surface,iv. a rearward surface, andv. a plurality of edges around a periphery of the non-woven heating layer;b. one or more forward cover layers that extends at least partially or entirely over the forward surface;c. one or more forward adhesive layers between the one or more forward cover layers and the forward surface of the non-woven heating layer that secure at least a portion of the one or more forward cover layers directly to the forward surface of the non-woven heating layer;d. one or more rearward cover layers that extends at least partially or entirely over a rearward surface of the non-woven heating layer;e. one or more rearward adhesive layers between the one or more rearward cover layers and the rearward surface of the non-woven heating layer that secure at least a portion of the one or more rearward cover layers directly to the rearward surface of the non-woven heating layer;f. two or more power application layers including: i. two or more wires disposed on the forward surface or the rearward surface of the non-woven heating layer, the two or more wires being spaced apart and extending along an edge region of two or more edges of the plurality of edges of the non-woven heating layer, wherein each of the two or more edges includes a composite of wires that are interwoven together;ii. one or more attachment devices that are sewing that connect the two or more wires to the non-woven heating layer;iii. a porous adhesive layer, having a forward surface and a rearward surface, covering the two or more wires that are in contact with the rearward surface of the porous adhesive layer;iv. a nonwoven power application buss or electrode disposed on the forward surface of the porous adhesive layer so that the two or more wires transfer power to the nonwoven power application buss or electrode disposed on the forward surface;wherein the two or more wires are both electrically and physically connected to a power source;wherein power is transferred to the non-woven heating layer by both the two or more wires and the nonwoven power application buss or electrode;wherein either the one or more forward cover layers and the one or more forward adhesive layers or the one or more rearward cover layers and the one or more rearward adhesive layers extend at least partially over the two or more power application layers so that the at least a portion of the one or more forward cover layers or the one or more rearward cover layers is adhered directly to the two or more power application layers;wherein the one or more forward adhesive layers, the one or more rearward adhesive layers, or both directly covers the two or more power application layers so that a portion of the one or more forward cover layers, the one or more rearward cover layers, or both is connected to the two or more power application layers;wherein a protecting layer impregnates the non-woven heating layer filling all or a portion of the plurality of voids interspersed between the plurality of individual fibers so that the non-woven heating layer is strengthened; the forward surface of the non-woven heating layer, the rearward surface of the non-woven heating layer, or both are dielectric; porosity of the non-woven heating layer is reduced or eliminated; or a combination thereof;wherein the non-woven heating layer produces heat when power is applied to the non-woven heating layer;wherein the seat heater is configured to be laid over a cushion of a vehicle seat and under a trim cover; andthe non-woven heating layer has a resistivity from about 3Ω to about 7Ω. 13. The seat heater of claim 12, wherein the seat heater is connected to the cushion by an adhesive, a mechanical fastener, or both. 14. The seat heater of claim 12, wherein the non-woven heating layer is configured with one or more through holes. 15. The seat heater of claim 14, wherein the one or more through holes increase the resistivity of the non-woven heating layer. 16. The seat heater of claim 12, wherein the one or more forward adhesive layers, the one or more rearward adhesive layers, or both comprises an impregnating adhesive such that the one or more forward adhesive layers, the one or more rearward adhesive layers, or both are also the protecting layer. 17. A method of producing a seat heater comprising: a. obtaining the non-woven heating layer of claim 1;b. disposing the one or more wires along opposing edge regions of the non-woven heating layer;c. applying a protecting layer that impregnates the non-woven heating layer filling all or a portion of the plurality of voids interspersed between the plurality of individual fibers so that the non-woven heating layer is strengthened; a forward surface of the non-woven heating layer, a rearward surface of the non-woven heating layer, or both are dielectric; porosity of the non-woven heating layer is reduced or eliminated; or a combination thereofd. sewing the one or more wires to the non-woven heating layer;e. disposing the porous adhesive layer over each of the one or more wires;f. disposing a conductive non-woven strip over the porous adhesive layer;g. attaching the conductive non-woven strip to the non-woven heating layer; wherein the step of sewing and the step of attaching are performed at the same time, or the step of sewing is performed before the step of attaching. 18. The method of claim 17, wherein the method includes a step of disposing the one or more forward cover layers over the forward surface of the non-woven heating layer, disposing one or more rearward cover layers over the rearward surface of the non-woven heating layer, or both, covering the two or more power applications with the forward adhesive layer so that the one or more forward cover layers are directly adhered to each of the two or more power applications, andcovering the two or more power applications with one or more rearward adhesive layers so that the one or more rearward cover layers are directly adhered to each of the two or more power applications. 19. The method of claim 17, wherein the one or more wires are each connected to the conductive non-woven strip before both are attached to the non-woven heating layer.
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