Inductor devices – With outer casing or housing – Potted type
Patent
1996-06-05
1998-07-14
Kozma, Thomas J.
Inductor devices
With outer casing or housing
Potted type
174 29, 336107, H01F 7704
Patent
active
057810923
ABSTRACT:
The invention is directed to an ignition coil for an internal combustion engine which includes a first case which has at least an opening portion at its bottom, a primary winding and a secondary winding which are received in the first case, a secondary terminal which is electrically connected to the secondary winding and placed within the first case in the vicinity of the opening portion at the bottom of the first case, and a second case which has a cover portion connected with the opening portion at the bottom of the first case, and which has a cylindrical portion extending from the cover portion. The ignition coil further includes a high-tension terminal which has a shaft held on a central axis of the cylindrical portion of the second case, and which is electrically connected to the secondary terminal. Then, a synthetic resin is filled in the first case and the second case connected therewith so as to fix and insulate the primary winding, secondary winding, secondary terminal and high-tension terminal. The first case may have a second opening portion at its one side, so that the synthetic resin is filled into the first case and the second case, through the second opening portion.
REFERENCES:
patent: 3236937 (1966-02-01), Harkness etal.
patent: 3905001 (1975-09-01), Sato et al.
patent: 4763094 (1988-08-01), Kojima
patent: 5170767 (1992-12-01), Wada et al.
patent: 5271373 (1993-12-01), Takaishi et al.
patent: 5349320 (1994-09-01), Suzuki et al.
patent: 5357233 (1994-10-01), Wada
Ishikawa Katsuji
Nakamichi Kazutaka
Suzuki Toshiro
Takeuchi Hitoshi
Yoshikawa Kouji
Aisan Kogyo Kabushiki Kaisha
Kozma Thomas J.
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