A heating device for the vaporization of active substances, such as air freshener fragrances, disinfectants, sanitizing agents, insecticides and the like, in which a wick is immersed in a fluid active substance and heat is applied to produce vaporization. The heating is produced by one or more elect
A heating device for the vaporization of active substances, such as air freshener fragrances, disinfectants, sanitizing agents, insecticides and the like, in which a wick is immersed in a fluid active substance and heat is applied to produce vaporization. The heating is produced by one or more electrical resistance elements embedded in a circular heating ring which is hinged to move over the end of the wick and encircle it. The internal wires which carry electrical current from a source of electrical power are led through the hinged area for connection to the electrical resistance elements, and a feature of the invention is the protection of such wires as they pass through the hinged area.
대표청구항▼
We claim: 1. A heating device for the vaporization of active substances, in which a wick that is immersed in a fluid active substance is heated to produce vaporization of the active substance, said heating device comprising: a plastic housing having a front side and a back side and an open bottom f
We claim: 1. A heating device for the vaporization of active substances, in which a wick that is immersed in a fluid active substance is heated to produce vaporization of the active substance, said heating device comprising: a plastic housing having a front side and a back side and an open bottom for receiving a refill bottle, a refill bottle unit containing said active substance and including a wick in fluid communication with said active material, said refill bottle being positioned in said housing with said wick extending out the top of said bottle and upwardly in said housing, an elongate longitudinally extending plastic frame, positioned in said housing in proximity to said bottle and wick, with its longitudinal axis parallel to the longitudinal axis of said wick, a circular heating ring hingedly connected to the upper end of said plastic frame and configured to be bent over the top of and to encircle said wick, at least one electric resistance element being positioned on the interior of said circular heating ring, said resistance element being fitted with a pair of resistance wire leads, said longitudinally extending frame having at least one longitudinally extending rib for providing at least a pair of longitudinal channels, and being fitted at its lower end with a pair of electrical prongs in a plug unit for use in an electrical outlet, said electrical prongs in said plug unit extending outwardly through the back side of said housing, said pair of electrical resistance wire leads extending from said resistance element, each wire being positioned in a separate one of said channels and being connected to respective prongs in said plug unit, and at least one projection on the body of said circular heating ring adjacent the said hinge, to guide the respective resistance wire leads through the hinge area and into separate longitudinal channels. 2. A heating device in accordance with claim 1, wherein said at least one projection adjacent said hinge is a pair of cylindrical pegs. 3. A heating device in accordance with claim 2, wherein said cylindrical pegs are separated by a plastic rib for assisting in guiding the resistance wires through the hinge area. 4. A heating device in accordance with claim 1, wherein said at least one electric resistance element comprises a pair of resistance elements connected in series and positioned on the interior of said circular heating ring, thus providing for a pair of resistance wire leads to be guided through the said hinge area and through the said channels in said elongate frame for connection to said electrical prongs. 5. A heating device in accordance with claim 1, wherein said elongate plastic frame and said circular heating ring comprise a plastic body molded as a single part having a plastic hinge connecting the said frame and said ring. 6. In a heating device for the vaporization of active substances, in which a wick that is immersed in a fluid active substance is heated to produce vaporization of the active substance, and in which said heating is produced by one or more electrical resistance elements adjacent said wick, and in which the electrical power to said electrical resistance elements is supplied through at least two wires that pass through a hinge area, the improvement comprising one or more guide posts positioned between said wires in the hinge area to guide said wires to keep them separated and protect them against distortion or touching in said area.
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이 특허에 인용된 특허 (9)
Wolpert, Christopher J.; Richert, Scott Allen; Bradley, Phillip Scott; Richardson, Donald R., Adapter for vaporizing devices.
Triplett, Carl; He, Mengato Pete; Wolpert, Christopher J.; Stathakis, Kristopher J.; Park, Derba, Method and apparatus for selective positioning a wick material in a vapor-dispensing device.
Hasegawa Takahiro (Ako JPX) Kashihara Takanobu (Ako JPX) Mesaki Junichiro (Ako JPX) Nishimura Akira (Ako JPX), Method for thermal vaporization of chemical.
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