Internal-combustion engines – Igniters – Incandescent
Patent
1977-04-15
1979-07-10
Myhre, Charles J.
Internal-combustion engines
Igniters
Incandescent
123149D, 315209CD, F02P 102, H05B 4136
Patent
active
041604350
ABSTRACT:
An engine flywheel forms the common rotor for a dual alternator unit having a first ignition alternator for the ignition circuit and a second power alternator for battery charging and providing other auxiliary power. The rotor includes first and second closely, axially spaced permanent annular magnets. An ignition and trigger coil assembly is aligned with one magnet and an auxiliary power coil with the second. The power magnet and coil include a substantial number of magnetic poles and coils to produce a significant power output. In a two cylinder engine, the ignition magnet has two radially and oppositely polarized poles. A pair of ignition capacitor charging coils are spaced by 180.degree. with a trigger coil mounted therebetween and circumferentially movable to adjust the timing. First and second ignition capacitors are connected to the charging coil and to the spark plugs and are alternately charged and discharged. The power alternator has a fourteen pole magnet and a five coil winding to produce 60 watts of auxiliary power. The power magnet has an even number of magnetic poles such that the leakage flux into the trigger coil generates a ripple voltage which has a symmetrical effect on the trigger signal to maintain good timing symmetry between the several cylinders.
REFERENCES:
patent: 3317765 (1967-05-01), Cone
patent: 3623467 (1971-11-01), Piteo
patent: 3673490 (1972-06-01), Magrane
patent: 3732483 (1973-05-01), Katsumata
patent: 3805759 (1974-04-01), Fitzner
patent: 3828754 (1974-08-01), Carlsson
patent: 3937200 (1976-02-01), Sleder et al.
patent: 4054113 (1977-10-01), Sleder et al.
Brunswick Corporation
Lall P. S.
Lloyd Lewis L.
Myhre Charles J.
Sawall Eugene R.
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