Choke coil
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United States of America Patent
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-
Dec 27, 1994
Grant Date -
N/A
app pub date -
Jul 30, 1993
filing date -
Aug 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A choke coil comprises mutually similar flat bars which are electrically connected at the corners. Each coil winding comprises an integral number of mutually similar flat bars which in each case lie on top of one another on contact areas at the corners so as to overlap over a large area. Insulating plates and/or insulating layers having a size approximately equal to the contact area are provided between two adjacent windings at the corners. The stack formed in this way is held together exclusively by means of a clamping device comprising clamping elements which do not cut or pierce the flat bars. A choke constructed in this manner is simple and economical to manufacture can be cooled well and can be produced in virtually any size.
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