COOLING SYSTEM FOR POWER PLANT Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: cooling system has loops for cooling traction engine and hydromechanical drive. Each of the loops includes radiator, fan, hydraulic pump, temperature pickups, and switching valves. The cooling system is provided with heater, pickup of emergency temperature in cooling loop for the traction engine, and solenoid valve mounted for changing path of liquid in the cooling system for traction engine and hydromechanical transmission. The emergency temperate pickup in the cooling loop for traction engine and temperature pickup in the cooling loop for hydromechanical transmission are connected to the inlet of the solenoid valve whose outlet is connected to the inlet of the heater whose outlet is connected with the traction engine. EFFECT: enhanced reliability. 1 dwg