Inductor devices – Combined – With connector
Patent
1996-12-19
1999-02-09
Gellner, Michael L.
Inductor devices
Combined
With connector
336 90, 336 92, 123634, 123621, H01F 2704, H01F 2702, F02P 1100
Patent
active
058700129
ABSTRACT:
An engine ignition coil device which comprises a coil case composed of a first cylindrical case and a second case having a small tubular hole in its center portion and an upper external shoulder at its open end fitted in an open end of the first case to form a closed end of the coil case and an internal unit assembled from a primary side coil bobbin, a secondary-side coil bobbin having a high-voltage terminal holder projecting from a center of its end flange portion, a rod-shaped core, and a high-voltage terminal attached to the high-voltage terminal holder and having a contact for electrically connecting an ignition plug thereto. The internal assembly is mounted in the coil case by inserting the high-voltage terminal holder in the small tubular hole of the secondary case with a tip of the contact projected outwardly therefrom and formed integrally with the coil case by injecting melted insulating resin into the coil case. Thus, the inner assembly can be easily located and reliably fixed at a given place in the coil case with no additional member, assuring precise forming of an integral device by potting with resin.
Sakamaki Makoto
Shinozawa Toshiyuki
Gellner Michael L.
Mai Anh
Toyo Denso Kabushiki Kaisha
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