FIELD: mechanical engineering.
SUBSTANCE: invention relates to military tracked vehicles power plants cooling systems. Drive device of cooling system fan of military caterpillar vehicle includes conical reduction gear and input reduction gear connected to engine crankshaft equipped with coolant temperature sensor and crankshaft rotation frequency sensor. Said conical reduction gear and input reduction gear are coupled with fan while control unit is connected with coolant temperature sensor, crankshaft speed pickup, ambient air temperature sensor and onboard circuitry. Fan is connected to planetary reduction gear connected to conical reduction gear and electric motor connected to control unit and onboard network.
EFFECT: maintenance of engine temperature conditions.
1 cl, 2 dwg
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