INTEGRATED ELECTRICAL COIL AND COIL STACK ASSEMBLY
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United States of America Patent
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app pub date -
May 20, 2016
filing date -
May 20, 2016
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Abstract
An improved electrical coil unit is described which includes generally a coil member encapsulated within an iron-containing metal housing wherein the housing has an increased surface area to better transfer heat and provide air flow during operation. Each coil unit includes a coil member comprising a bobbin made of a non-conducting fiberglass impregnated resin and an insulated copper wire coiled around the outer surface of the bobbin member in multiple layers. Each coil unit is housed in an iron containing metal housing. The exterior surface of the housing preferably includes a plurality of fins extending longitudinally around the housing. A coating material is provided to encapsulate the coil member within the housing to form an integrated coil unit. The integrated coil units may be stacked to form a coil stack assembly.
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