Abstract: The electric cartridge type heater has a continuous central fitting hole (2) for receiving a cylindrical body to be healed in a gap-free manner, an inner metal jacket (1), an outer metal jacket (3) and a healing conductor wound on the circumference of a coil form (8), which is inserted in an annular chamber (4). The coil form has a cylinder wall with holes (10) or ducts (11/1) for receiving ends (12, 13, 15, 16) of the heating wire winding (9). The connecting conductors (18, 19) are led radially to the outside through an opening (20, 20/1) of the outer metal jacket (3) in an axial area which is located away from the two axial ends of the annular chamber (4) and is located between two heating wire windings (9/1, 9/2) or two winding sections (9a, 9b) of the same heating wire winding (9).

Abstract: A thin battery powered lighter, which has superior portability and usable as an advertising medium, is provided. The lighter includes a thin flat case (2); a sheet type battery (3) provided within the case (2); a heating element (4) connected to the battery (3); and a power switch (5) for establishing an electrical connection between the battery (3) and the heating element (4). The case (2) includes a slide member (6) for opening and closing an ignition window (21), which is provided at a position that the heating element faces (4), and an operating button (51) for operating the power switch (5). When the ignition window (21) is closed by the slide member (6), a portion of the slide member is interposed between contact points of the switch, precluding an operation of the operating button (51). The electrical connection is enabled by operating the operating button (51) in a state in which the ignition window (21) is open.

Abstract: An electrical sleeve heater for an element having a generally cylindrical outer surface. The heater has a generally helical coil centered on an axis and having a pair of opposite coil ends, a pair of generally coaxial, axially aligned, and similar tubes each fixed to a respective one of the coil ends and surrounding the coil so that relative rotation of the coil can radially increase or decrease an inside diameter of the coil. The tubes having axially adjacent inner ends and outer ends, and means for releasably fixing together the coil inner ends.

Abstract: Heating cable comprising a first insulated conductor (1) and a second insulated conductor (2), which are located in a common sheath (4,5,6), wherein the first conductor (1) consists of electrical resistance material and the second conductor (2) consists of electrical resistance material or a material of high conductivity and wherein the first and second conductors (1,2) comprise first end regions (1b,2b) and second end regions (1c,2c) of a material of high conductivity and wherein end regions (1c,2c) of the first and second conductors (1,2) are electrically interconnected.

Abstract: A batch processing chamber comprising a top plate having at least one opening, and sidewalls, wherein the sidewalls and the top plate define a process volume. At least one removable heater is generally disposed in the process volume, wherein the at least one removable heater can be inserted or removed from the at least one opening of the top plate. In one embodiment, the at least one removable heater is resistive heater constructed in ceramic. In another embodiment, at least one heater container is disposed in the process volume via the at least one opening of the top plate and the at least one heater may operate in atmospheric conditions.

Abstract: A heating unit for a vehicle features a radial fan (100) having a housing (110), which housing has an air inlet (116) and an air exit opening (118). The heating unit has an air-directing device (140) that guides an air flow in a pressure chamber (115) of the housing (110) to the exit opening (118). Arranged in the housing (110) is a radial fan wheel (130) that serves to generate a flow from the air inlet (116) via the pressure chamber (115) to the air exit opening (118). Also provided is an electrical heating element, e.g. a PTC (Positive Temperature Coefficient) heating element (125), that serves to transfer heat to the air flow generated by the fan. Air-directing elements (632, 634, 636, 638) are provided between the exit opening (118) and the heating element (125), in order to generate an air flow having a more uniform (680) velocity distribution.

Abstract: A low voltage warming blanket adapted for use in vehicles powered by the vehicles DC power source is provided with a control selectively actuatable to activate the blanket for one of a plurality of preset time periods at at least one pre-set temperature, the control having a reset button to reinitiate activation upon expiration of the time period, the blanket being provided with thermal sensors preventing overheating.

Abstract: An electrical heating unit is presented for use in a heating device for heating an object to a required temperature and enabling maintaining this temperature of the object. The heating unit may have the following configuration: first and second elements each made of a material with a specific resistivity in a range of about 0.01-0.

Abstract: A floor heating system including a sub-floor, a plurality of fasteners, a first heater conductor assembly and a second heater conductor assembly. The first conductor assembly including a first resistive conductor having a first length, first and second ends, and two low resistance conductors. The two low resistance conductors being respectively connected to each of the first and second ends. The second heater conductor assembly including a second resistive conductor having a second length, first and second ends, and two low resistance conductors. The two low resistance conductors being respectively connected to each of the first and second ends of the second resistive conductor. The low resistance conductor that is connected to the first end of the first resistive conductor being connected in a serial fashion to the low resistance conductor that is connected to the first end of the second resistive conductor. The first length being approximately a first integer multiple of the second length.

Abstract: A heating assembly, is disclosed which includes a blanket portion and a control apparatus for electrically heating the blanket portion. The control apparatus generates direct current power of desired wave form to enable the assembly to be used for warming patients without interference of medical equipment as may be used in the process of a surgery. Alternate power sources include battery power and alternating current power transformed by a transformer into direct current power.

Abstract: A heating assembly for a printing device includes a heating device configured to be energized or deenergized. A switching device includes a bimetallic element efficiently thermally coupled to the heating device and configured to deenergize the heating device in a defined period of time in the event of an over temperature condition.

Abstract: A panel element with a toughened pane, provided with a total surface coating, which is electrically conducting and heated by applying an electrical voltage by electrodes. A partial zone of the coating is electrically separated by a separating line. Specifically, an inner surface zone of the coating is separated electrically, by at least one peripheral separating line, from an external edge region of the coating, and the electrodes are placed inside the surface zone surrounded by the peripheral separating line.

Abstract: A heater for a window of an optical gas sensor is provided. The heater may be positioned over a portion of the window or may form at least a portion of the window. Alternatively, the heater may be separate from the optical gas sensor and positionable over the window either in contact therewith or in close proximity thereto. In one embodiment, the heater is substantially transparent to the relevant wavelengths of electromagnetic radiation that are used in optical monitoring of respiratory gases, anesthetic agents, or the like. Alternatively, the heater may be configured so as to provide a substantially unobstructed optical pathway through the window. Optical gas sensors and complementary transducers that include the heater are also disclosed.

Abstract: Disclosed is a pre-heater for vehicles comprising: A PTC element module including a positive terminal composed of two sheets, an upper sheet of which has a fastening hole and upward bended ribs formed at opposite edges of the fastening hole; a ring-shaped insert insulator inserted between the ribs; a PTC element inserted into an inside of the insert insulator, a bottom surface of which is in contact with a lower sheet of the positive terminal; one heat fin assembly closely fastened to one surface of the PTC element; another heat fin assembly fastened to the other surface of the PTC element through the medium of a positive terminal and an entire surface insulator; and a fastening insulator for binding together the two heat fin assemblies, the PTC element, the positive terminal and the entire surface insulator, and a heat fin assembly disposed parallel to the PTC element module; a negative terminal disposed parallel to the heat fin assembly; frames and respectively fastened to both ends of a combined body inclu

Abstract: The invention includes a composite ice protection heater for an aircraft. The composite heater includes at least one electrically insulating layer, and at least one electric heater element comprising an electrically conductive layer bonded to the insulating layer. The conductive layer may include a pre-impregnated woven fabric that includes a plurality of threads that include an electrically conductive material, such as carbon or graphite fibers. The composite heater can be incorporated into a composite surface structure of an aircraft. The conductive layer and insulating layer may include a plurality of spaced openings through the layers that cooperate with an underlying open-cell matrix to attenuate noise at the associated surface of an aircraft. A desired electrical resistance of the conductive layer may be obtained by introducing a plurality of discontinuities in the layer, such as spaced holes or slits.

Abstract: The heating device includes a conductive layer which is positioned on an electrically insulative substrate. Preferably, the conductive layer is screen printed onto the substrate. The substrate is designed to limit elongation of the conductive layer, thereby improving the durability of the conductor and enabling the heating device to be used in flexible applications, such as automobile seats. The substrate can include at least one aperture passing therethough to further improve flexibility, fatigue resistance, and breathability of the heater. The conductive layer is configured to include a buss structure with a first buss ground inwardly adjacent from the periphery of the heating device and a first buss with serpentine paths extending from one edge of the heating device to another edge. The buss structure further includes a second buss with L-shaped portions positioned between the serpentine paths and the first buss ground. The second buss ground is located in a central location between the serpentine paths.

Abstract: An electric hair curler is disclosed as including a handle; and a heating tube engaged with the handle and having a longitudinal axis, and the heating tube is adapted to be releasably engaged with hair and is operable to heat hair engaged therewith, and the heating tube is rotatably movable relative to the handle about the longitudinal axis of the heating tube.

Abstract: The present invention is directed to a system for reducing condensation on the inner surface of a vehicle light cover, and preventing or deicing ice build up on the exterior of the cover. In an embodiment, a heater is mounted to a carrier and the heat produced by the heater prevents the occurrence of condensation on the inner surface of the light cover or build up of ice on the outer surface. In an embodiment, one or more vents may be provided in the carrier and one or more corresponding holes may be provided in the heater so as to increase the flow of air across the inner surface of the light cover. A controller may be provided to control activation of the heater.

Abstract: An electronic thermostat (20) has a mechanical switch (22) and a solid-state switch (24). The electronic thermostat (20) is suitable for use in a liquid heating apparatus, such as a coffee maker or any other apparatus that dispenses heated beverages. In an illustrative embodiment, the electronic thermostat (20) has a controller (36) and a temperature sensor (34).

Abstract: An automated glass cooler entrance door assembly for an opening in a walk-in cooler comprising at least one fixed, stationary side door that defines a walkway about the opening for ingress and egress into the cooler, at least one opposing sliding door operatively suspended from a concealed drive mechanism above the opening to slide sideways from a closed position across the opening to close-off the cooler to and from an opened position overlapping the fixed stationary side door to allow customer ingress and egress to the cooler via the walkway through the opening and each of the doors comprising heated glass that is electrically connected to electrical power to heat the same.