HEATING DEVICE FOR AUTOMOBILE LIQUID-COOLED ENGINE Russian patent published in 1998 - IPC

FIELD: transport engineering; liquid-cooled automobile engines; self-contained heater operated on water. SUBSTANCE: heating device has at least one external independent heater. Heating system connected to circulating circuit of engine cooling agent uses as heating zone at least one engine preheating system, interior heating system and battery heating system. The latter has at least one constantly connected thermal transmitter which switches on heating system when temperature drops below tolerable limit. Heater or several heaters can be switched on by manual control. Heating system can be used in those case when ambient temperature is within 0 and minus 60 C. EFFECT: enhanced reliability of operation at below zero temperatures. 11 cl, 3 dwg