Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Patent
1983-11-07
1986-05-13
Argenbright, Tony M.
Internal-combustion engines
High tension ignition system
Using capacitive storage and discharge for spark energy
123149D, 123647, F02P 306
Patent
active
045879427
ABSTRACT:
The disclosure describes an ignition coil module for internal combustion engines and method of manufacture thereof. The module is mounted on a ferromagnetic core having a plurality of discrete leg portions with mating cross-bar portions. The module includes an ignition coil encapsulated within a cup-shaped plastic housing which is disposed about the mating portions of the core. A separate trigger coil is also encapsulated within the housing and a separate core pin is axially fitted within the trigger coil. The core pin includes a shank portion and an enlarged pole portion disposed externally of said housing adjacent one of the core legs. The outer ends of the core legs and the pole portion of the core pin, which provides a separate flux path, are disposed approximately on the same circumference adjacent to the permanent magnets carried by a rotor used in conjunction with the ignition coil. The core pin is asymmetrical with its pole portion offset toward the adjacent core leg. In an alternative embodiment, the pole portion is disposed at an obtuse angle to the shank portion of the pin.
REFERENCES:
patent: 3599615 (1971-08-01), Foreman et al.
patent: 3667441 (1972-06-01), Cavil
patent: 4188930 (1980-02-01), Santi
patent: 4270509 (1981-06-01), Tharman
patent: 4282839 (1981-08-01), Newberry et al.
patent: 4288834 (1981-09-01), Burson
patent: 4375794 (1983-03-01), Wasmer
Argenbright Tony M.
R. E. Phelon Company
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