F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
317/5.7
F02P 3/08 (2006.01)
Patent
CA 1120531
ALTERNATOR DRIVEN CD IGNITION WITH AUXILIARY POWER Abstract of the Disclosure 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° 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 plug 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.
301336
Brunswick Corporation
Meredith & Finlayson
LandOfFree
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