Coil ignition unit for an internal combustion engine
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United States of America Patent
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-
Jun 30, 1992
Grant Date -
N/A
app pub date -
May 7, 1991
filing date -
May 7, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The ignition unit includes a support housing containing two ignition coils each for the connection to at least one, and preferably two, associated spark plugs. Each ignition coil comprises a primary winding and a second winding disposed around the end arms of a magnetic core or circuit formed by only two packs of plates juxtaposed so that together they form essentially a figure-of-8 shape. The packs of plates are identical, essentially E-shaped and are placed close together, face-to-face, so that together they form a squared figure-of-8 shape. Each of the packs of plates has a notch which extends from the back of the E into its central arm and almost up to the end of the free end thereof. Conveniently, inserts of non-magnetic material are disposed in the notches in the packs of plates.
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