Inductor devices – With supporting and/or spacing means between coil and core – Preformed insulation between coil and core
Patent
1998-03-31
2000-05-09
Gellner, Michael L.
Inductor devices
With supporting and/or spacing means between coil and core
Preformed insulation between coil and core
336192, 336208, H01F 2729, H01F 2730
Patent
active
060609753
ABSTRACT:
A bobbin for use in a three-phase line reactor. The bobbin includes a tubular main body with a first end, a second end, a first side, a second side, and a core that extends from the first end to the second end. The main body also has two radially-extending flanges; one on its first end and another on its second end. Four tabs extend axially from the main body and are integral with it. A first tab is positioned on the first end of the main body extending from the first side and a second tab is positioned opposite the first tab on the second side. A third tab is positioned on the second end of the main body extending from the first side and a fourth tab is positioned opposite the third tab on the second side. The integral tabs eliminate the need for metal support bars used to hold and align laminations inserted into the cores of the bobbins. Thus, fixing laminations in place is more accurate and repeatable than with prior bobbins. Further, since the tabs may be sized and shaped exactly, precise alignment of the components of a three phase reactor is possible. The bobbin may include ridged sidewalls which enhance the strength of the bobbin. The ridges may also be designed to enhance camber control and spacing of the wire coil wound on the bobbin.
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Gellner Michael L.
Mai Anh
Trans-Coil, Inc.
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