Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Reexamination Certificate
2007-08-28
2007-08-28
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
Reexamination Certificate
active
10799141
ABSTRACT:
A low voltage interrupt for an electric winch prevents voltage decay of a battery due to excessive operation of the winch. If the battery voltage decays below a threshold, the low voltage interrupt disables the winch, allowing an alternator to recharge the battery. A voltage sense circuit determines the voltage of the battery. The sensed voltage is compared to a predetermined threshold. If the sensed voltage decays below the threshold, the low voltage interrupt generates an interrupt signal. The interrupt signal causes a relay to actuate, thereby interrupting current to the winch.
REFERENCES:
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patent: 5214359 (1993-05-01), Herndon et al.
patent: 5648887 (1997-07-01), Herndon et al.
patent: 6046893 (2000-04-01), Heravi
Heravi Oliver
Lawson Mitchell R
Harness & Dickey & Pierce P.L.C.
Jackson Stephen W.
Warn Industries, Inc.
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