#engine_cooling_system__cooling_system__coolingsystem  equipment in a motor vehicle that cools the engine
  supertype:  #equipment  an instrumentality needed for an undertaking or to perform a service
  part of:  #motor_vehicle
  part:  #fan  a device for creating a current of air by movement of a surface or surfaces
  part:  #fan_belt__fanbelt  a belt driven by the crankshaft that drives a fan that pulls air through the radiator
  part:  #pump  a mechanical device that moves fluid or gas by pressure or suction
     part:  #piston_chamber__cylinder  a chamber within which piston moves
        part:  #intake_valve  a valve that controls the flow of fluid through an intake
  part:  #radiator.mechanism  a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
     part:  #radiator_cap  cap on the opening in the top of a radiator through which a coolant liquid can be added
  part:  #radiator_hose  a flexible hose between the radiator and the engine block
  part:  #thermostat__thermoregulator  a regulator for automatically regulating temperature by starting or stopping the supply of heat
     part:  #bimetallic_strip  a strip consisting of two metals that bends with a rise in temperature

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