Prime-mover dynamo plants – Electric control – Demand starters
Patent
1994-12-27
1996-10-01
Ro, Bentsu
Prime-mover dynamo plants
Electric control
Demand starters
290 31, 322 11, F02N 1108
Patent
active
055613306
ABSTRACT:
A controller operates to start an electric power generator, for example a gasoline engine electric power generator, when a demand is made for electric power when the user turns on an electric powered device, such as a circular saw, that is to be used. The generator runs as long as there is a demand for power, and when the demand ends, the generator stops after a predetermined adjustable delay period. Additionally, in the event the engine is to be started under cold start-up conditions, the starter is operated to avoid cyclical starting/stalling of the generator engine. When a demand is made on the generator for power, the controller senses a circuit closure, turns on the starter of the generator, and, after the generator cranks, the power is applied to the saw and it starts to operate. The starter is controllably disabled after the generator is operational. The engine driving the generator will stop after a predetermined delay after the power demand is removed. If the user switches off the saw for a short time and then turns it on again before the delay times out, then the timing sequence (to shut the generator off temporarily) is aborted. If, however, the user stops sawing longer than the timeout period, the generator is stopped, and it will automatically start again when the user is ready to saw again.
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Hollingsworth Don A.
Ro Bentsu
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