Abstract: An electric heater (100) with an axial opening (131) for receiving an object to be heated, with an electric heating element (130) surrounding the axial opening (131) in at least in some sections and with an essentially cylindrical or essentially frustoconical clamping jacket (110) surrounding the electric heating element (13) at least in the radial direction for generating an adjustable force acting radially in the direction of an axis (A) of the axial opening (131).

Abstract: An electric heater (100) with an axial opening (131) for receiving an object to be heated, with an electric heating element (130) surrounding the axial opening (131) in at least in some sections and with an essentially cylindrical or essentially frustoconical clamping jacket (110) surrounding the electric heating element (13) at least in the radial direction for generating an adjustable force acting radially in the direction of an axis (A) of the axial opening (131).

Abstract: A cartridge type heater (10, 20, 30, 40) with a jacket pipe (11, 21, 31, 41) including metal and with an electric heating element (32), which is arranged within the jacket pipe (11, 21, 31, 41). At least one terminal lug (14, 24, 34, 44) is connected in one piece to the jacket pipe (11, 21, 31, 41).

Abstract: An electrical device (100, 200) is provided with a tubular metal sheath (110, 210, 250, 260) and with an insulator body (120, 160, 220, 251, 261), which is arranged in the interior of the tubular metal sheath (110, 210, 250, 260) and through which passes at least one tunnel-like opening (tunnel opening) (121, 122, 161, 162, 221, 252, 262). At least one section (131a, 132a, 171a, 172a) of a first electrical conductor (131, 132, 171, 172, 231) is arranged in the tunnel opening (121, 122, 161, 162, 221, 252, 262), in which the cross-sectional geometry of the tunnel opening (121, 122, 161, 162, 221, 252, 262) deviates from a circular shape.

Abstract: An electric heater (100, 200, 300, 400, 500, 600) includes a metal sheath (101, 201, 301, 401, 501, 601) defining an interior space, an electric heating element, arranged in the interior space, an insulating material filling and electric terminals. At least one electric terminal is a plug contact (108, 109, 208, 209, 308, 309, 408, 409, 508, 509, 608, 609) made in one piece, which has a section (108b, 109b, 208b, 209b, 308b, 309b, 508b, 509b, 608a, 609b) arranged in the interior space with a contact point (110, 111, 210, 211, 310, 311), which is arranged in the interior space and at which the plug contact is connected conductively to the electric heating element directly or via an auxiliary wire (212, 213, 312, 313, 612, 613). A process for manufacturing such an electric heater is provided.

Abstract: An electric heater (100, 200, 300, 1600, 1700, 2200) has an outer jacket (101, 201, 301, 1601, 1701, 2201) and an electric heating element (102, 202, 302, 2202), which can be supplied with an electric current by at least one connecting wire (106, 107, 206, 207, 306, 307, 406, 506, 606, 706, 806, 906, 1006, 1106, 1206, 1306, 1406, 1506, 1606, 1607, 1608, 1706, 1806, 2206, 2207), arranged at least in some sections within the outer jacket (101, 201, 301, 1601, 1701, 2201). The connecting wire (106, 107, 206, 207, 306, 307, 406, 506, 606, 706, 806, 906, 1006, 1106, 1206, 1306, 1406, 1506, 1606, 1607, 1608, 1706, 1806, 2206, 2207) has a cavity, in which a section (104, 105, 204, 205, 2204, 2205) of the electric heating element (102, 202, 2202) or an electric feed line (330, 331) to the electric heating element (302) is accommodated.

Abstract: An internal structure for an electrical heating device includes an electrical heating element. The internal structure includes a connection section for holding an end section of the electrical heating element or a connecting wire, with which one of the two end sections is connected. A turnaround section is positioned opposite the connection section. A spacer runs between the connection section and the turnaround section and is topped by the turnaround section in a radial direction relative to the profile of the spacer. The turnaround section has, for a turned-around electrical heating element or for a turned-around connecting wire in the area topping the spacer, a connecting bar by means of which the electrical heating element or the connecting wire is guided and thus turned around, with this connecting wire being connected to an end section.

Abstract: An electrical heating device (1) includes a housing (2, 102) having a fluid inlet (3) for the intake of a fluid to be heated into the housing (2, 102) and having a fluid outlet (4) for the discharge of the fluid from the housing (2, 102). A flow channel (5) for the fluid is formed between the fluid inlet (3) and fluid outlet (4), and at least one heating instrument (6, 105, 205) extends into the flow channel (5) in the housing (2, 102). This heating instrument has a sleeve (7, 207) that surrounds an interior of the heating instrument (6, 105, 205) in a fluid-tight way. At least one heating element (8, 208) is arranged in the sleeve (7, 207), and at least one sensor element (9, 109, 209) is arranged in the sleeve (7, 207) for monitoring the temperature of the at least one heating element (8, 208).

Abstract: An electric heater (100, 200, 300, 400, 600, 700, 800, 900) has at least one coil body (110, 210, 310, 410, 510, 610, 660, 670, 710, 810, 860, 910, 1010) in the form of a tube having any desired cross section, in the form of a partially slotted tube having any desired cross section or in the form of a slotted tube having any desired cross section and at least one electric heating element (120, 220, 320, 420, 520, 620, 621, 622, 720, 820, 870, 920, 1020), which is wound onto the coil body. The electric heating element is wound onto the coil body to both extend over sections of the inner side (515, 915) of the tube, partially slotted tube or slotted tube forming the coil body and sections of the outer side (516, 916) of the tube, partially slotted tube or slotted tube forming the coil body.

Abstract: Electrical heating device with a tube-shaped metal sleeve, with an insulating body that is arranged in the interior of the tube-shaped metal sleeve and is passed through by at least one tunnel-like opening, with an electrical heating element, that runs with at least one section in the tunnel-like opening and with a connecting wire for the direct or indirect electrical contacting and supply of the electrical heating element that also runs with at least one section in the tunnel-like opening, wherein the sections of the electrical heating element and of the connecting wire running in the tunnel-like opening overlap each other in a contact area (K) at least in some sections, wherein the contact area (K) is in an unheated section (u) of the electrical heating device.

Abstract: An electric cartridge type heater (100, 200, 300, 400, 500, 600, 700, 800, 900, 1000) has at least one the tubular metallic jacket (101, 201, 301, 401, 501, 601, 701, 801, 901, 1001), at least one electric resistance wire (102, 202, 302, 402, 502, 602, 702, 802, 902, 1002) arranged in the interior space of the tubular metallic jacket with two ends for electrically contacting the electric resistance wire, wherein the at least one electric resistance wire is electrically isolated from the tubular metallic jacket by an electrically insulating material (103, 203, 303, 403, 503, 603, 703, 903) arranged in the interior space of the tubular metallic jacket (101, 201, 301, 401, 501, 601, 701, 801, 901, 1001). The electric resistance wire is self-supporting. A method is also provided for manufacturing such an electric cartridge type heater.

Abstract: A method connects an electrical device (10), which has a tubular metal sheath (13) with protruding electrical conductors and contact sections (11, 12) connecting to contact sections (21, 22) of electrical conductors (23, 24) of a connection cable (20) by an insulating element (40, 140) that has receptacles (41, 42, 43, 44, 141, 142, 143, 144). The respective contact sections (11, 21, 12, 22) overlap one another or are adjacent to one another in the contact area (45, 48, 145, 148), and establish an electrical connection (51, 52) between the respective contact sections (11, 21, 12, 22). The electrical connection (51, 52) is established through an opening (46, 47, 49, 50, 146, 147, 149, 150), which forms an additional access to the contact area (45, 48, 145, 148). An electrical device (10) is provided with receptacles with the opening, which forms an additional access to the contact area.

Abstract: Electrical device with a tubular metal sheathing and at least one insulating element arranged within the tubular metal sheathing with at least one hole, wherein, within the hole, an electrical contact is produced between a conductor of a supply line and/or of a data line and a conductor of the electrical device, wherein the insulating element has at least one window that exposes a section of the hole or has at least an opening that exposes at least a section of the hole and that in the area of the window or the opening there is a welded contact, a soldered contact, or a crimped contact that produces the electrical contact between the conductor of the supply line and/or of the data line and the conductor of the electrical device.

Abstract: A cartridge-type heater (100, 200, 300, 400, 500) has a tubular metal sheath (110, 210, 310, 410, 510) and with an electrical heating element (222, 322, 422), which is arranged within the tubular metal sheath (110, 210, 310, 410, 510) and electrically insulated from the tubular metal sheath (110, 210, 310, 410, 510). The tubular metal sheath (110, 210, 310, 410, 510) has a first tubular part (120, 220, 320, 420, 520), in which the electrical heating element (222, 322, 422) is at least partially arranged. A tube opening (225, 325, 425) of the first tubular part is machined, especially by cutting, and has a second tubular part (130, 230, 330, 430, 530) connected to the first tubular part (120, 220, 320, 420, 520), which extends the tube interior space of the first tubular part (120, 220, 320, 420, 520) concentrically in the axial direction.

Abstract: Heating cartridge with a tubular metal sheathing, whose interior houses an electrical heating element that is wound on a winding form and is electrically insulated from the tubular metal sheathing by embedding in an electrically non-conductive insulating material, and at least one temperature sensor with supply lines, wherein at least one supply line, preferably both supply lines, of at least one temperature sensor runs between the winding form and the tubular metal sheathing and is electrically insulated from the winding form and the heating element wound thereon and also from the tubular metal sheathing.

Abstract: An air and/or aerosol heater (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150), especially for an e-cigarette, includes a tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151), in which air and/or aerosol can be heated, and includes a resistor element (12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 122, 132, 142, 152) arranged on the outer surface of the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151) or on the inner surface of the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151). The resistor element (12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 132, 142, 152) is fixed on the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151).

Abstract: A heat-conducting body (110, 210, 310, 410, 510, 610, 710, 810), for a nozzle heater (100, 200, 300, 400, 500, 600, 700, 800) has a groove with a bottom (913, 943) or a plurality of grooves with a bottom (913, 943) each. The one groove or the plurality of grooves has/have a first section (111, 211, 311, 411, 511, 611, 711, 811, 911) and a second section (512, 712, 912). The first section and the second section cross or intersect each other at least at one point. A depth of the first section (111, 211, 311, 411, 511, 611, 711, 811, 911) differs from a depth of the second section (512, 712, 912) at least at the points at which the first section (111, 211, 311, 411, 511, 611, 711, 811, 911) and the second section (512, 712, 912) cross each other.

Abstract: An electrical cartridge type heater (100) includes an outer metallic jacket (110) an electrical heating element (120, 121) arranged in an interior space (140) of the outer metallic jacket (110) and a device for monitoring the temperature (130), which is galvanically separated from the electrical heating element (120, 121) and is arranged in the interior space (140) of the outer metallic jacket (110). The device for monitoring the temperature (130) includes a wire or a tube, in addition to the electrical heating element (120, 121), made of a material that changes resistance with temperature change with a value of the temperature coefficient of the electrical resistance greater than 800 ppm/K, and especially preferably greater than 4,000 ppm/K between 20° C. and 105° C. The wire or the tube is directly embedded into an electrically non-conducting filler filling a remaining interior space (140) of the outer metallic jacket (110).

Abstract: A method and a heating device (100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100) for fluids are provided. The device includes a tubular metal jacket (101, 201, 301, 401, 501, 601, 701, 801, 901, 1001, 1101), a heating element (102, 202, 302, 312, 402, 502, 602, 702, 802, 902, 1002, 1102) and a control/regulating element (103, 203, 303, 403, 420, 503, 620, 720, 803, 903, 1003, 1103) for the heating element. The heating element and the control/regulating element are arranged at least partially within the tubular metal jacket and are embedded at least partially in a metal powder or granular metal (109, 209, 309, 409, 509, 609, 709, 809, 909, 1009, 1109) within the jacket. The heating element is a heating cartridge, a hollow cartridge, a tubular heating body or a coiled tube cartridge. The control/regulating element is electrically insulated from the metal powder or granular metal.

Abstract: A gas duct (100) has a duct wall (110) enclosing an interior space (120), a heated porous metal structure (113) arranged in the interior space (120) for passing through gases and an electric heater (102). The electric heater (102) is a mineral-insulated heater including a heat conductor (104), one or more front-side connection openings and an outer metal jacket (108). The electric heater (102) has a section (102a), which is passed through the duct wall (110), so that all front-side connection openings (116) are arranged outside the interior space (120) of the gas duct (100) and the outer metal jacket (108) is welded or soldered to the duct wall (110) in the section. The heat conductor (104) is completely embedded in a ceramic insulation (106) at least in the sections of the electric heater (102) that are arranged in the interior space (120) of the gas duct (100).