An automotive seat assembly (10) comprising a seat (12) and a seat back (14) with a fabric cover (16) comprising non-conductive polyester fibers (18) woven together and electrically conductive pure carbon elements (22) woven into the fibers (18) and extending between braided copper strands defining electrodes (20) Each of the conductive elements (22) consists of a single and homogeneous composition of pure carbon to create heat in response to electrical current and presenting a bare surface in contact with the surrounding fibers (18) to emit the heat directly from the bare surface to heat the surrounding environment

Automotive seat with co-woven heating elements

The present invention relates to a hot moxibustion unit provided with a heater which generates heat upon application of an electric current, the hot moxibustion unit comprising a heater ( 2 ) which generates heat upon application of an electric current, and a thermal mat ( 4 ) which is composed of a heat storage medium ( 3 ) which accumulates heat when heated by the heater ( 2 ) and a storage bag ( 8 ) which holds the heat storage medium ( 3 ), wherein the heater ( 2 ) is formed by attaching a flexible planar heating element ( 1 ) to a substrate sheet ( 6 ). This hot moxibustion unit closely fits a human body and provides increased comfort for the user.

Hot moxibustion unit

The invention relates to a heating element for a part of an automobile which is held, especially the steering wheel. The heating element consists of a textile support with at least one heating resistor. According to the invention, a knitted textile support is used.

Heating element for a part of an automobile which is held, especially the steering wheel

A flexible cover for a vehicle seat, the cover having an inside face against which a conductive thread is fixed by means of a flexible assembly thread forming a seam of chain stitches, which seam does not pass through the cover and is not visible on its outside face, the assembly thread penetrating into the thickness of the cover and surrounding the conductive thread.

Vehicle seat cover, and a vehicle seat including such a cover

The invention relates to a planar heating element, especially for seat heaters in the field of motor vehicles, consisting of heating wires which are arranged essentially parallel, are electrically connected at their ends and/or reversal points to power supply conductors and are embedded in a base material which is predominantly textile. The object of the invention, in the case of a planar heating element of the type mentioned initially, is to achieve an improvement in the mechanical load capacity and the corrosion stability of the contact points between the heating conductors and contact conductors, in order to overcome the disadvantages of the lack of flexibility and non-homogeneity, increased safety with respect to a change in the electrical resistance in the contact surface being made possible, and hence increased protection against local overheating. The present invention is distinguished by the fact that the heating conductors (1) run in a sinusoidal shape as weft threads over mesh threads (2) of a woven base material and, at least at the maxima of the amplitudes, are linked into the meshes of the textile base material, the power supply conductors (3) being arranged at right angles to the axis of the sinusoid, as a contact strip (4), on the mutually opposite sinusoid period edges (59), and each heating conductor (1) being electrically conductively connected to each contact conductor (3).

Planar heating element and method of manufacture

A planar electrical heating element consists of a net-type looped fabric (1) incorporating heating conductors (3) and contact conductors connected to the ends of the heating conductors (3). The heating conductors (3) run essentially parallel to one another and are firmly bonded at intervals into the looped composite of the textile looped fabric (1) in such a way that their path is corrugated and they are linked to the knotted points of the loops only at the points on the axis of the corrugation. The contact conductors (2), which run essentially perpendicularly to the heating conductors (3), are bonded into the looped fabric (1) so as to act as a filler or by partially or completely replacing the basic textile material in a plurality of immediately adjacent loop rows. The planar heating element is simple and cheap to produce, can be deformed in both a two-dimensional and a three-dimensional manner, is capable of being adapted and offers a high protection against fire and damage.

Planar electrical heating element

OF THE DISCLOSURE An electric surface-heating element is composed of net-like knitted fabric having heating conductors and contact conductors connected to the ends of the heating conductors. The heating conductors run essentially parallel to one another and are firmly bound at intervals into the structure of the textile knitted fabric in such a way that they run in a wavy manner and are linked to the intersections of the fabric thread meshes generally at the points of the wave axis. The contact conductors which run essentially perpendicularly to the heating conductors are bound into the knitted fabric in that they run past the textile yarn or replace the textile base material partially or completely over a number of directly adjacent courses. The surface-heating element is simple and cheap to produce, can be deformed two-dimensionally and three-dimensionally and is adaptable, and offers a high degree of safety from fire and immunity to damage.

Electric surface-heating element

EL ELEMENTO ELECTRICO DE CALEFACCION PARA SUPERFICIES PLANAS SE COMPONE DE UN MATERIAL TEXTIL DE TEJIDO DE PUNTO (1) DE FORMA RETICULAR CON CONDUCTORES DE CALEFACCION (3) Y CON CONDUCTORES DE CONTACTO CONECTADOS A LOS EXTREMOS DE LOS CONDUCTORES (3). LOS CONDUCTORES DE CALEFACCION (3) DISCURREN PARALELAMENTE ENTRE SI Y SE ENCUENTRAN FIRMEMENTE INSERTADOS, CON CIERTA SEPARACION, EN EL CONJUNTO ENTRELAZADO DEL MATERIAL TEXTIL (1), DE TAL MODO QUE DISCURREN EN FORMA DE ONDAS Y SOLO VAN UNIDOS POR LOS VERTICES DEL EJE DE LA ONDA CON LOS NUDOS DE LOS PUNTOS. LOS CONDUCTORES DE CONTACTO (2) QUE DISCURREN ESENCIALMENTE DE FORMA PERPENDICULAR A LOS CONDUCTORES DE CALEFACCION (3) CORREN PARALELOS CON EL HILO TEXTIL O SE ENCUENTRAN INSERTADOS EN EL MATERIAL TEXTIL (1) SUSTITUYENDO PARCIAL O TOTALMENTE AL MATERIAL TEXTIL DE BASE EN VARIAS FILAS DE PUNTOS, ADOSADOS INMEDIATAMENTE UNOS A OTROS. EL ELEMENTO DE CALEFACCION PARA SUPERFICIES PLANAS ES DE FABRICACION SENCILLA Y ECONOMICA, CONFORMABLE Y ADAPTABLE BI Y TRIDIMENSIONALMENTE Y OFRECE GRAN SEGURIDAD FRENTE A INCENDIOS Y ACCIDENTES.

Elemento de calefaccion electrica de superficie.

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Planar electrical heating element

Electric surface-heating element

Elemento de calefaccion electrica de superficie.