CIRCUIT DEVICE FOR STEAM ENGINE
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United States of America Patent
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N/A
Issued Date -
Feb 26, 2009
app pub date -
Dec 13, 2007
filing date -
Aug 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A circuit device for a steam engine having a power unit is electrically connected to a positive electrode and a negative electrode of the power unit includes a switching unit having a positive voltage contact set and a negative voltage contact set and is switchable between a first mode, in which the power unit provides electricity to first contacts of the positive and negative voltage contact sets, and a second mode, in which the power unit provides electricity to second contacts of the positive and negative voltage contact sets, a heater module having an input end connected to first and second contacts of the positive voltage contact set and an output end thereof connected to the first contact of the negative voltage contact set, and a voltage step-down unit connected in series to the output end of the heater module and the second contact of the negative voltage contact set.
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