{
  "$type": "site.standard.document",
  "description": "An exhaust gas purification method of a diesel engine, which purifies exhaust gas while suppressing deteriorations in drivability and fuel consumption, when the exhaust gas G enters a rich reduction state, opens an EGR valve 15 and closes an intake throttle 6 if a temperature of the NOx occlusion…",
  "path": "/patents/968501",
  "publishedAt": "2014-10-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01D53/9495",
    "ISUZU MOTORS LTD [JP]"
  ],
  "textContent": "An exhaust gas purification method of a diesel engine, which purifies exhaust gas while suppressing deteriorations in drivability and fuel consumption, when the exhaust gas G enters a rich reduction state, opens an EGR valve 15 and closes an intake throttle 6 if a temperature of the NOx occlusion reduction catalyst 11 is at or above a predetermined temperature and a vehicle mounting a diesel engine 1 is decelerating from a speed at or above a predetermined speed, and then closes an exhaust throttle 20 provided downstream of the NOx occlusion reduction catalyst 11 and supplies fuel to the NOx occlusion reduction catalyst 11 as a reductant.",
  "title": "DIESEL ENGINE EXHAUST GAS PURIFICATION METHOD AND EXHAUST GAS PURIFICATION SYSTEM"
}