Automatic transfer switch and engine control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 15, 2003
Grant Date -
Jun 27, 2002
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An Automatic Transfer Switch (ATS) providing automatic transfer of loads from utility power to generator power upon detection of utility power failure. The ATS comprises a pair of molded case circuit breakers, a servo motor operating the breakers through an actuator that also functions as a mechanical interlock to prevent both breakers from being on simultaneously, AC voltage sensors monitoring utility, generator and load voltages and a microcontroller providing overall system control. Included with the ATS is an engine control unit that communicates over a serial communication link with the ATS. The engine control unit comprises engine function relays, starter contactor, battery charger and a microcontroller providing overall control and communication with the ATS. The engine control also includes a mechanical choke operator.
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