Abstract: An electrically heated blanket which is able to adjust temperature by means of a controller comprising a main blanket body composing of fabrics, two heater cables arranged over the main blanket body which form a configuration of a concave or a U-letter in a plan view. The two heater cables are arranged adjacent and in parallel to each other, beginning ends thereof being connected to the controller and the terminal ends thereof being connected to each other in which electric current flows in opposite directions.

Abstract: To provide a seat heater and the manufacturing method thereof, having the stable adherent strength between the heating wire and the base cloth for a long time, with a good seat feeling, at a lower cost. The seat heater is comprising, a base cloth mixed with heat bonding filament, and a heating wire having a heat bonding layer and being placed in a predetermined pattern shape, in order to adhere to and be fixed on the base cloth by heat bonding under heat and pressure. Thus the stable adherent strength between the heating wire and the base cloth may be maintained for a long time, with a good seat feeling, at a lower cost.

Abstract: A soft and flexible heater utilizes electrically conductive threads or fibers as heating media. The conductive fibers are encapsulated by insulating materials, forming continuous heating cables. One or more heating cables can be formed into heaters of various configurations including tapes, sleeves or sheets. Such heaters may be connected in different combinations, in parallel or in series. The heater may contain continuous temperature sensors to prevent overheating and fire. Such temperature sensors can be made of electrically conductive fibers, metal wires or fiber optical filaments. When required by the heater design, the electrically conductive threads/fibers may have a polymer base, which acts as a Thermal-Cut-Off (TCO) at predetermined temperatures. Electrically conductive fibers comprised of such polymer base can melt between 120° C. and 350° C. thereby terminating electrical continuity in the heater.

Abstract: An expandable chamber support system for vehicle seat and mattress applications includes an expandable chamber constructed from facing sheets of flexible impermeable material that are sealed along their marginal edges. One of the sheets is formed of electrically conductive an elastomeric membrane that is electrically resistance heated while providing a source of pressure support for an occupant supported by the expandable chamber.

Abstract: A sheet member with a heater wire comprises a sheet-like base cloth and a cylindrical containing portion containing the heater wire therein and attached at one surface of the base cloth in a meandering shape.

Abstract: Electric resistance heating/warming composite fabric articles have a fabric layer having a first surface and an opposite, second surface, and an electric resistance heating/warming element in the form of a conductive yarn mounted upon first surface of the fabric layer, e.g. in embroidery stitching, and adapted to generate heating/warming when connected to a power source. A barrier layer may be positioned, for example, at least adjacent to the first or second surface of the fabric layer. Methods of forming electric resistance heating/warming composite fabric articles are also described.

Abstract: Heat losses from electric heating pads, blankets and pillows are reduced by aligning heat reflective strips or coatings over the top of a heating wire arranged inside the pads, blankets and pillows. By reducing heat losses, lower wattage can be applied to the heating wire to transfer the same amount of heat to a user as equivalent higher wattage blankets which do not have the heat reflective strips. By lowering the applied wattage, a more efficient blanket results.

Abstract: A heating blanket reduces the possibility of electrical arcing by providing a series of individual heating elements each carrying a low current.

Abstract: A heating blanket, pad or pillow is produced from a continuous roll of substrate material over which a continuous length of resistance heating wire is arranged. Predetermined lengths of the resulting substrate and heating element are cut from the roll to produce individual heating products. PTC wire is preferably used for the resistance wire and facilitates a continuous manufacturing process.

Abstract: A two-dimensional heating element, especially for seat heaters in the motor vehicle sector, having a textile base material and contact conductors and heating conductors which are electrically conductive and touch one another. The contact conductors delimit heating areas. The heating conductors are laid effectively in the direction of stitch wales and orthogonal to the stitch wales in such a way that there are at least two zones functioning at least as a main heating area and at least as a secondary heating area with different heating capacities.

Abstract: A semi-rigid heated element assembly and method of manufacturing semi-rigid heated element assemblies is provided. A heated element assembly includes a first thermoplastic sheet, a second thermoplastic sheet, and a resistance heating element laminated between the first and second thermoplastic sheets. The resistance heating element includes a supporting substrate having a first surface thereon and an electrical resistance heating material forming a predetermined circuit path having a pair of terminal end portions. The circuit path continues onto at least one flap portion that is capable of rotating about a first axis of rotation. The reformable continuous element structure may be formed into a final element assembly configuration whereby at least the flap portion is rotated along its axis of rotation to provide resistance heating in at least two planes. Semi-rigid heating elements may be formed into heated containers, heated bags, and other objects with complex heat planes.

Abstract: An electrical conductor including an areal conductor having a constricted current path region along a length thereof is described, in which an accessory conductor bridges the constricted current path region along the length of the areal conductor such that a substantially uniform current density exists throughout the electrical conductor. In this way, current hot spots in the region of the current path constriction are avoided. The constricted current path region may be defined by two lengthwise edges of the areal conductor and the accessory conductor may include two circular or parabolic contours, each opposing and spaced apart from a respective edge of the areal conductor defining the constricted current path region.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fabric prebody, with the loop yarn overlaying the stitch yarn at a technical face and forming loops at a technical back of the fabric prebody. An electrical resistance heating element, e.g., in the form of a conductive yarn, is incorporated into the fabric prebody at symmetrical and/or asymmetrical spaced-apart intervals as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fabric and conductor elements, e.g. located along edge regions, connect the electrical resistance heating elements to a source of electrical power. The technical face and/or the technical back of the fabric body may have fleece formed by finishing in a manner to avoid damage to electrical conductance of the electrical resistance heating elements.

Abstract: The invention relates to a laminated fabric heater element, heater and a process for manufacturing the heater element and heater. The heater comprises an electrically conductive fabric layer attached to bus bars, is sandwiched between two thermoplastic films forming a heater assembly. In the process making the heater element or heater, the layers of the heater assembly by consolidating the layers of films and fabric into a single sheet heater without the use of adhesive resins. The heater can be made of variable geometry, electrical supply voltage and power, and can withstand more mechanical, chemical, ultraviolet radiation and other environmental stresses than prior art heaters.

Abstract: The invention relates to a laminated fabric heater element, heater and a process for manufacturing the heater element and heater. The heater comprises an electrically conductive fabric layer attached to bus bars, is sandwiched between two thermoplastic films forming a heater assembly. In the process making the heater element or heater, the layers of the heater assembly by consolidating the layers of films and fabric into a single sheet heater without the use of adhesive resins. The heater can be made of variable geometry, electrical supply voltage and power, and can withstand more mechanical, chemical, ultraviolet radiation and other environmental stresses than prior art heaters.

Abstract: A soft heating element utilizing individually insulated electrically conductive carbon or metal containing threads/fibers or metal wires that are woven together with nonconductive threads, into sheets, sleeves or strips. The individually insulated conductive threads/fibers or metal wires can be laminated between layers of nonconductive insulation. Nonconductive polymer insulation can be extruded around the non-insulated electrically conductive threads/fibers or metal wires to form strips, sheets or sleeves/pipes. The heating element core is shaped in a desired pattern and connected in parallel or in series to the energizing bus conductors. The thermostats are located in areas of folds in order to control their cycling. When dictated by the heating element design, the electrically conductive threads/fibers have a polymer base, which acts as a Thermal-Cut-Off (TCO) material at predetermined temperatures.

Abstract: A soft and flexible heater utilizes electrically conductive threads or fibers as heating media. The conductive fibers are encapsulated by insulating materials, forming continuous heating cables. One or more heating cables can be formed into heaters of various configurations including tapes, sleeves or sheets. Such heaters may be connected in different combinations, in parallel or in series. The heater may contain continuous temperature sensors to prevent overheating and fire. Such temperature sensors can be made of electrically conductive fibers, metal wires or fiber optical filaments. When required by the heater design, the electrically conductive threads/fibers may have a polymer base, which acts as a Thermal-Cut-Off (TCO) at predetermined temperatures. Electrically conductive fibers comprised of such polymer base can melt between 120° C. and 350° C. thereby terminating electrical continuity in the heater.

Abstract: A woven fibrous article that generates heat upon application of electrical power has a woven fibrous body consisting of a set of non-conductive warp yarns and a set of non-conductive filling or weft yarns. One of the set of non-conductive warp yarns and the set of non-conductive filling or weft yarns, in one or more first regions, consists of relatively more coarse yarns and in one or more second regions consists of relatively more fine yarns with electrical conductor elements extending generally along the second regions of the woven fibrous body to connect the plurality of spaced apart electrical conductance heating elements in a parallel electrical circuit to a source of electrical power.

Abstract: Heating elements, electrical devices and processes for manufacturing these components are provided. The heating elements and electrical components employ a resistance heating material, such as Ni-Cr wire, sewn with a thread to a supporting substrate, such as a non-woven glass mat. The sewn thread supports the relatively thin cross-section of the resistance material when a fusible layer is applied, such as by molding a polymer under pressure.

Abstract: A heating/warming textile article (11) with a fabric body (13) with electrical resistance heating/warming elements (15) also contains a phase change component (17) which releases and absorbs latent heat in a cycle corresponding to ON/OFF operation of a power source (23), e.g., a battery, thus to conserve and extend useful battery life.

Abstract: A heater for a steering wheel includes a heater main body arranged on a rim of the steering wheel and formed like a net. The heater main body comprises a plurality of heater wires for generating heat upon energization and side edges arranged along longitudinal edges of the heater main body and fixed at an inner periphery of the rim.

Abstract: A fibrous article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fibrous prebody, with the loop yarn overlaying the stitch yarn at a technical face and forming loops at a technical back of the fabric prebody. An electrical resistance heating element, e.g., in the form of conductive elements, is joined with the stitch and loop yarns in the prebody at symmetrical and/or asymmetrical spaced-apart intervals as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fibrous article and conductor elements, e.g. located along edge regions, connect the electrical resistance heating elements to a source of electrical power. The technical face and/or the technical back of the fabric body may have fleece formed by finishing non-conductive fibers of the stitch yarn and/or loop yarn in a manner to avoid damage to electrical conductance of the electrical resistance heating elements.

Abstract: A soft heating element, utilizing electro conductive textile threads as a heating means having additional safety functions as TCO (thermal cut-off) and TSL (temperature self-limiting) devices. The thermal cut-off function is achieved through melting of the electro conductive threads at the temperatures above 120° C. and below 350° C., which results in termination of electrical continuity in the heating element. The temperature self-limiting capability is achieved through a heating thread electrical resistance increase during slow elevation in its temperature, which is below its melting point. Methods of electrical and mechanical connection between heating threads and metal conductors, utilizing winding of connections with flexible strands of fibers or wires, with optional subsequent placement of a rigid mechanical fastener over the winding.

Abstract: Methods of forming an electric heating/warming composite fabric article include the steps of applying an electricity-conducting paste upon a surface in a predetermined pattern of an electric circuit, and curing the electricity-conducting paste to form an electric heating/warming element in the form of a flexible, electricity-conducting film defining an electric circuit, the electric heating/warming element being adapted for connection to a power source, thereby to generate heating/warming. The fabric article includes a fabric layer, and may include a barrier layer joined to or associated with a surface of the fabric layer. The electric circuit may be formed directly upon a surface of the fabric layer or upon a surface of the barrier layer. The circuit may be formed and cured upon the barrier layer before or after it is joined to the fabric layer.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fabric body, with the loop yarn overlaying the stitch yarn at a technical face and forming loops at a technical back of the fabric body. An electrical resistance heating element, e.g., in the form of a conductive yarn, is incorporated into the fabric body at symmetrical and/or asymmetrical spaced-apart intervals as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fabric and conductor elements, e.g. located along edge regions, connect the electrical resistance heating elements to a source of electrical power. The technical face and/or the technical back of the fabric body may have fleece formed by finishing in a manner to avoid damage to electrical conductance of the electrical resistance heating elements.

Abstract: A heated container is formed from a substantially continuous element structure. The substantially continuous element structure includes an electrically insulative first and second polymeric layers and a resistance heating layer laminated between the first and second polymeric layers. An interior surface of the container includes the first polymeric layer, and the first polymeric layer is thermally conductive. The resistance heating layer has a pair of terminal end portions that may be coupled to a pair of external power leads to energize the resistance heating layer.

Abstract: A heat retention device is disclosed in the form of a heating pad which includes an electrically resistive coil contained within a volume. The coil terminates at an electric coupler which is external of the volume. A heat retention mass is contained within the volume in thermal conductivity with the resistive element.

Abstract: A garment having resistance type heaters mounted thereon which are battery powered to supply heat to the wearer thereof. The heaters are fabric heaters employing conductive yarns which, when energized, provide additional warmth to a person wearing a garment on which the heaters are connected.

Abstract: 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.

Abstract: A method for the transport of liquid in a textile or porous structure, whereby the liquid is forced to travel through the textile with the aid of electric pulses applied to a conductor or semi-conductor which is woven onto, or in some other fashion applied to, each side of the material which may be a single textile or several layers of textiles which together form a laminate.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by knitting or weaving, to form a fabric prebody. An electrical resistance heating element in the form of a conductive yarn is incorporated into the fabric prebody, the electrical resistance heating elements extending between opposite edge regions of the fabric. Conductive elements are provided for connecting the electrical resistance heating elements to a source of electrical power.

Abstract: A two-dimensional heating element, especially for seat heaters in the motor vehicle sector, having a textile base material and contact conductors and heating conductors which are electrically conductive and touch one another. The contact conductors delimit heating areas. The heating conductors are laid effectively in the direction of stitch wales and orthogonal to the stitch wales in such a way that there are at least two zones functioning at least as a main heating area and at least as a secondary heating area with different heating capacities.

Abstract: An electrical heating pad for use with an ungrounded source voltage comprises a heating element arranged in the heating pad and defining a substantially coplanar plane and a fabric outer cover co-planarly enclosing the heating element. The heating element includes a first core made of an insulating material; a first conductive element wound around the first core using the first core as an axis; a second core made of an insulating material arranged in surrounding relation to the first core and the first conductive element; and a second conductive element wound around the second core using the second core as an axis. The first and second conductive elements are connected to each other at one ends and are connected to the ungrounded source voltage at the other ends to at least partially cancel out magnetic field generated from each conductive element. There is at least one shield layer located at one side of the coplanar plane defined by the heating element for substantially shielding electric field.

Abstract: A monitor for use during installation of under floor warming mats to monitor the condition of the electric heating elements. Three lead wires extending from the monitor have alligator clips allowing them to be clipped to the hot, neutral and ground leads of the heating elements. A monitoring circuit generates an audible alarm if the hot or neutral wire is cut or if the ground sheath is electrically connected to either the hot or neutral wire.

Abstract: A soft heating element, utilizing electro conductive textile threads as a heating means having additional safety functions as TCO (thermal cut-off) and TSL (temperature self-limiting) devices. The thermal cut-off function is achieved through melting of the electro conductive threads at the temperatures above 120° C. and below 350° C., which results in termination of electrical continuity in the heating element. The temperature self-limiting capability is achieved through a heating thread electrical resistance increase during slow elevation in its temperature, which is below its melting point. Methods of electrical and mechanical connection between heating threads and metal conductors, utilizing winding of connections with flexible strands of fibers or wires, with optional subsequent placement of a rigid mechanical fastener over the winding.

Abstract: A fibrous article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fibrous prebody, with the loop yarn overlaying the stitch yarn at a technical face and forming loops at a technical back of the fabric prebody. An electrical resistance heating element, e.g., in the form of conductive elements, is joined with the stitch and loop yarns in the prebody at symmetrical and/or asymmetrical spaced-apart intervals as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fibrous article and conductor elements, e.g. located along edge regions, connect the electrical resistance heating elements to a source of electrical power. The technical face and/or the technical back of the fabric body may have fleece formed by finishing non-conductive fibers of the stitch yarn and/or loop yarn in a manner to avoid damage to electrical conductance of the electrical resistance heating elements.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fabric prebody, with the loop yarn overlaying the stitch yarn at a technical face and forming loops at a technical back of the fabric prebody. An electrical resistance heating element, e.g., in the form of a conductive yarn, is incorporated into the fabric prebody at symmetrical and/or asymmetrical spaced-apart intervals as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fabric and conductor elements, e.g. located along edge regions, connect the electrical resistance heating elements to a source of electrical power. The technical face and/or the technical back of the fabric body may have fleece formed by finishing in a manner to avoid damage to electrical conductance of the electrical resistance heating elements.

Abstract: A removable cloth sleeve with incorporated heating coil including a heating element wrappedly engaging a bottle of lotion. The heating element is comprised of an interior heating pad. The interior heating pad has an innermost heating coil. The heating element includes an outer cloth pad for removably receiving the interior heating pad therein. The heating element can be removably coupled with the bottle of lotion.

Abstract: A lagging device, comprises a flexible and insulating pad; anode plate and cathode plate arranged in parallel on the top surface of the pad; a plurality of PTC ceramic resistor arranged cross the anode plate and the cathode plate. Each resistor has anode and cathode in contact with the anode plate and the cathode plate, respectively. The lagging device further has an isolation layer covering at least the topside of the pad. The inventive lagging device can be easily applied to curve surface.

Abstract: Electric resistance heating/warming composite fabric articles have a fabric layer having a first surface and an opposite, second surface, and an electric resistance heating/warming element in the form of a conductive yarn mounted upon first surface of the fabric layer, e.g. in embroidery stitching, and adapted to generate heating/warming when connected to a power source. A barrier layer may be positioned, for example, at least adjacent to the first or second surface of the fabric layer. Methods of forming electric resistance heating/warming composite fabric articles are also described.

Abstract: A fabric disk to protect the flavor coffee or tea from excess heating comprising heat resistant fibers.

Abstract: A soft heater utilizing metal fiber containing, carbon, metal or conductive ink coated threads, embroidered on, laminated between or woven into a nonconductive substrate to form electrical heating circuits. The heating element may be manufactured in a form of strip, sheet, sleeve or strand of threads for incorporation into plurality of articles. The soft heating element core may contain localized treatment such as positive temperature coefficient (PTC) material for temperature self-limiting control. The electrode conductors are attached to said heating element core which is connected in parallel or in series. The heating element core is shaped in a desired pattern. The whole assembly is sealed by at least one electrically insulated layer which envelopes the strips, sheets, sleeves, ropes or strands of threads.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by knitting or weaving, to form a fabric prebody. An electrical resistance heating element in the form of a conductive yarn is incorporated into the fabric prebody, the electrical resistance heating elements extending between opposite edge regions of the fabric. Conductive elements are provided for connecting the electrical resistance heating elements to a source of electrical power.

Abstract: A form fitting heating surface for children's safety car seats having a contoured deformable apertured shape that is adaptable within a car seat on which the child is positioned. The heating surface is electrically connected to the automobile's power supply and is thermostatically controlled. Attachment elements adjustably extend from the heating surface for engagement over a portion of the car seat holding the heating surface insert in place within.

Abstract: A conductive element useable as a resistance heater comprises a carbonized fabric (12) which has electrical terminals (18, 20) connected thereto and is encapsulated in or sandwiched between layers of plastic insulating material. The element generally is flexible and can be embodied in for example blankets for animals, vehicle seats and clothing. It is preferably provided with an electrical control circuit for controlling the temperature to which the fabric heats.

Abstract: The present invention provides an electric mat containing nephrite jade powder, which take advantage of effects of nephrite jade and completely shield the vibration of water vein and electronic wave.The electric mat containing nephrite jade powder according to the present invention has multiply divided water-proof pockets (2) divided by conjunction lines (1), of which each space holds nephrite jade powder (4) of 150-300 mesh covered by a first nonwoven fabric (3), under which copper woven fabric (5), aluminum sheet (6) and a second nonwoven fabric (7) are inserted to face-contact the heater (8), under which jade cotton (9) is laid. By virtue of the structure described above, heat generated from the heater (8) is transmitted through the aluminum sheet (6) and the copper woven (5) to nephrite jade powder, from which far infrared is emitted.

Abstract: A fabric article that generates heat upon application of electrical power is formed, for example, by joining stitch and loop yarns to form a fabric prebody, with the loop yarn forming in loops that overlay the stitch yarn at the technical face form the technical and back of the fabric prebody. An electrical resistance heating element in the form of a conductive yarn is incorporated into the fabric prebody at symmetrical and/or asymmetrical spaced-apart intervals e.g., as the stitch yarn, the electrical resistance heating elements extending between opposite edge regions of the fabric. The technical face and/or the technical back of the fabric body is finished, in a manner avoiding damage to electrical conductivity of the electrical resistance heating elements, to form a fleece surface region, and conductive elements are provided for connecting the electrical resistance heating elements to a source of electrical power.

Abstract: A heating cable for maintaining pipes and related equipment at temperatures above freezing or at elevated process temperatures. The heating cable includes a pair of elongated electrode wires each coated with a layer of insulating material. The layer of insulating material is partially stripped off the wires at spaced, alternating locations. A resistive heater wire is helically wound around a yarn of fibrous insulating material to form an elongated resistor core. The elongated resistor core is spirally wound around the electrode wires and is brought into electrical contact with the electrode wires at the alternating locations where the wires are partially stripped. A second layer of insulating material covers the elongated resistor core and forms an outer surface for the cable.

Abstract: Electric heating/warming composite fabric articles have at least a fabric layer having inner and outer surfaces, and an electric heating/warming element in the form of a flexible, preferably stretchable, electricity-conducting film disposed at the inner surface of the fabric layer and adapted to generate heating/warming when connected to a power source. A barrier layer may be positioned, for example, adjacent to the inner surface of the fabric layer; e.g., with the electric heating/warming element formed thereupon. Methods of forming electric heating/warming composite fabric articles are also described.

Abstract: A device and method for generating heat employs a heating element which is resiliently compressible or in which the electrical resistance can otherwise be varied, for a given electric current, to vary the level of heat generated. In a specific embodiment the device employs a plurality of layers of electrically conductive cloth material, for example, carbon cloth, disposed between electrodes; adjustment of the spacing between the electrodes alters the degree of compression and the electrical resistance of the plurality of layers whereby the level of heat generated for a given electric current can be varied.