Small engine driven generator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 2, 2002
Grant Date -
N/A
app pub date -
Feb 2, 2000
filing date -
Feb 3, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power conversion system includes an engine coupled to drive an alternator, a rectifier circuit, and an ignition controller. The alternator includes a stator and a rotor that cooperate when driven to provide a current supplied to the rectifier circuit. The rectifier circuit provides output power having a voltage. The ignition controller supplies energy to the spark plug of the engine. If the voltage exceeds a predetermined limit, the ignition controller supplies less energy to the spark plug to decrease engine drive. The stator may include several windings (or a tapped winding) and the system further includes an engine throttle controller and a winding control circuit. The winding control circuit selectively couples one or more windings of the plurality (or one or more turns of a tapped winding) to the rectifier circuit. The winding control circuit cooperates with a throttle controller to facilitate provision of a predetermined output power with a relatively low engine RPM for noise abatement.
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