#fuel_system  equipment in a motor vehicle or aircraft that delivers fuel to the engine
  supertype:  #equipment  an instrumentality needed for an undertaking or to perform a service
  part of:  #aircraft  #motor_vehicle
  part:  #throttle__accelerator__throttle_valve  a valve that regulates the supply of fuel to the engine
  part:  #carburetor__carburettor  mixes air with gasoline vapor prior to explosion
     part:  #air_horn__airhorn  air intake of a carburetor
     part:  #air-intake__airintake  a duct that admits air to be mixed with fuel
     part:  #butterfly_valve__butterflyvalve  a valve in a carburetor that consists of a disc that turns and acts as a throttle
     part:  #venturi  a tube with a constriction; used to control fluid flow (as in the air inlet of a carburetor)
  part:  #choke  a valve that controls the flow of air into the carburetor of a gasoline engine
  part:  #fuel_filter  a filter in the fuel line that screens out dirt and rust particles from the fuel
  part:  #fuel_gauge__fuel_indicator  an indicator of the amount of fuel remaining in a vehicle
  part:  #fuel_line__gas_line__gasline  a pipe that carries gasoline from a tank to a gasoline engine; "the car wouldn't start because dirt clogged the gas line"
  part:  #gasoline_gauge__gas_gauge__gasgauge  gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle
  part:  #gas_tank__gastank__gasoline_tank  a tank for holding gasoline to supply a vehicle
  part:  #intake_manifold  a manifold consisting of a pipe to carry fuel to each cylinder in an internal-combustion engine
  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

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