Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Patent
1980-02-19
1982-03-23
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
307 10BP, 361187, H02H 324
Patent
active
043216463
ABSTRACT:
In a preferred embodiment, designed for gas-efficient automobiles having low power alternators having insufficient power and utilizing a battery of insufficient voltage to operate both the automobile necessary circuitry and heater as to heat the automobile space within a satisfactory short time interval of a few minutes, a circuitry of conventional type but additionally including in series with a low voltage relay, another voltage relay switch which when energized turns on current to an electromagnetic relay normally open switch to close the switch to thereby connect a second battery positive terminal to the output terminal of the alternator for thereby recharging the second battery, and the normally open switch normally connecting the positive terminal of the second battery to a large supplemental heater when the normally open switch is in an open state, whereby when the regular low capacity battery is at low voltage the supplemental heater quickly heats the automobile space, and at elevated voltage the conventional heater takes-over while the alternator serves to recharge the second battery over a prolonged period of time.
REFERENCES:
patent: 4082992 (1978-04-01), Day
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