СИСТЕМА СНИЖЕНИЯ ТОКСИЧНОСТИ ОТРАБОТАВШИХ ГАЗОВ


  1. CONSTRUCTION


    1. A water-cooled type EGR cooler is used in the EGR cooler assembly between the EGR valve assembly and intake manifold. In the water-cooled type EGR cooler, engine coolant flows through the exhaust gas passage to cool down the exhaust gas.

    2. An EGR cooler bypass switching valve is used in the EGR cooler assembly. If exhaust gas is cooled down in the EGR cooler with a light engine load and low engine coolant temperature, the compression air temperature decreases. To prevent this, the exhaust gas passage is switched by the EGR cooler bypass switching valve.

      A01KVA9C01
      *1 EGR Valve Assembly *2 Actuator (for EGR Cooler Bypass Switching Valve)
      *3

      EGR Cooler Assembly


      • EGR Cooler Bypass Switching Valve

      		 *4 Bypass Passage
      *5 EGR Cooler - -
      *a Exhaust Gas (from Exhaust Manifold) *b Exhaust Gas (to Intake Manifold)
      *c Engine Coolant Flow *d Engine Coolant Inlet
      *e Engine Coolant Outlet - -