Device for controlling engine preheating

Details Device for controlling engine preheating Device for controlling engine preheating

1982-12-06

1985-03-19

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219505, 219202, 219205, 219519, 123179H, H05B 102

Patent

active

045061459

ABSTRACT:
An apparatus for controlling the preheating of a diesel engine in which a preheating plug is rapidly brought to starting temperature so that the engine be substantially instantaneously started. Each preheating plug in each of the cylinders of the engine has a heater body having a resistance which varies with temperature changes but which is sufficiently small that the heater body would melt if a predetermined rated voltage were continuously applied thereto. When the starter switch of the engine is in the engine accessory position, so long as the detected temperature of the heater body is below an upper preheating temperature, the rated voltage is applied directly to the heater body. When the temperature of the heater body reaches the upper temperature, the heater body is disconnected from the battery. In the engine starting position of the starter switch, the quick heating circuit is disconnected and the heater body is coupled to the battery through a stabilizer resistor.

REFERENCES:
patent: 4196712 (1980-04-01), Kawamura et al.
patent: 4258678 (1981-03-01), Abe

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