Engine speed control circuit for emergency vehicle

Details Engine speed control circuit for emergency vehicle Engine speed control circuit for emergency vehicle

1983-12-14

1985-07-02

HicKey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

290 40R, 290 50, 322 38, H02J 732

Patent

active

045271127

ABSTRACT:
A control circuit for a vehicle electrical system which is operative when the vehicle engine is running but the vehicle is not in motion to sense vehicle storage battery voltage and, when that voltage is below a predetermined threshold, to enable an electrically controllable device to open somewhat the engine throttle raising engine speed and increasing the output of an engine driven electrical source. The control circuit finds particular utility in emergency vehicles such as ambulances and the like where that vehicle may remain at an emergency site for an extended period of time with the engine idling and with numerous electrical demands on the vehicle electrical system to increase the engine speed when those electrical demands have sufficiently exceeded the output of an engine driven alternator with the engine running at idle.

REFERENCES:
patent: 1705673 (1929-03-01), Menzies
patent: 3192394 (1965-06-01), Teter
patent: 3719881 (1973-03-01), Shibata et al.
patent: 4019112 (1977-04-01), Satoh
patent: 4424477 (1984-01-01), Enoshima et al.

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