#oil_pump__oilpump  a pump that keeps a supply of oil on moving parts
  supertype:  pump  a mechanical device that moves fluid or gas by pressure or suction
  part of:  pressure-feed_lubricating_system__lubricating_system__lubricatingsystem__force-feed_lubricating_system__force_feed__forcefeed__pressure_feed  mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings
     part of:  internal-combustion_engine__ICE  a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
        part of:  motorboat__powerboat  a boat propelled by an internal-combustion engine
        part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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