Internal-combustion engines – High tension ignition system – Having a specific ignition coil
Patent
1988-08-18
1989-05-30
Dolinar, Andrew M.
Internal-combustion engines
High tension ignition system
Having a specific ignition coil
123635, F02P 300
Patent
active
048340561
ABSTRACT:
In a distributorless ignition system for an internal combustion engine, a single ignition coil unit, detachably mountable to a cylinder head, is provided for each pair of spark plugs. The ignition coil unit includes a coil portion having a core and primary and secondary windings wound on the core, a pair of plug couplers formed on the coil portion in correspondence to the spark plugs arranged on adjacent two cylinders of the engine, a pair of high tension couplers formed on the coil portion in directions different from those of the plug couplers, a first connecting member for electrically connecting one end of the secondary winding to one of the plug couplers, a second connecting member for electrically connecting the other end of the secondary winding to one of the high tension couplers, and a third connecting member for electrically connecting the other of the plug couplers to the other of the high tension couplers. Therefore, the ignition coil unit can be easily engaged and disengaged with the spark plugs. Then, a pair of connecting cords are crossed between two such ignition coil units to respectively interconnect different pairs of the high tension couplers. When each of the coil units generates high voltages in a predetermined sequence, the plurality of spark plugs are fired in a given order.
REFERENCES:
patent: 3935852 (1976-02-01), Donovan et al.
patent: 4378004 (1983-03-01), Petrie
patent: 4392473 (1983-07-01), Tsutsui et al.
patent: 4515141 (1985-05-01), Saaf et al.
Journal of Nippondenso Technical Disclosure #38-175, 11/15/84.
Journal of Nippondenso Technical Disclosure #30-032, 4/20/83.
Dolinar Andrew M.
Nippondenso Co. Ltd.
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