FIELD: machine building.
SUBSTANCE: ICE prestart warm-up comprises melting oil in engine oil pan, filling oil line with molten oil by independent-drive pump with nozzles directed towards main journals and spraying the latter by oil jets from oil line nozzles. Note here that oil in oil pump is also molten and engine water cooling jacket is warmed up by circulated fluid heat carrier. ICE prestart warm-up system comprises appliance to deliver heat from prestart heater to oil in pan, independent-drive oil pump and oil line with nozzles directed towards crankshaft main journals. Note here also that the system incorporates fluid heat carrier circulation circuit passing through prestart heater and comprising fluid hearing jacket located on said pump and engine fluid cooling jacket.
EFFECT: shorter warm-up time interval at lower temperatures.
19 cl, 2 dwg
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