{
  "$type": "site.standard.document",
  "description": "A control device of an internal combustion engine is provided. A silver-alumina based catalyst device is arranged in an engine exhaust system, and an exhaust gas air-fuel ratio in the catalyst device is made rich (step 107 or 108) to restore the NOadsorption ability of the catalyst device (step…",
  "path": "/patents/996280",
  "publishedAt": "2012-11-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01D53/9422",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A control device of an internal combustion engine is provided. A silver-alumina based catalyst device is arranged in an engine exhaust system, and an exhaust gas air-fuel ratio in the catalyst device is made rich (step 107 or 108) to restore the NOadsorption ability of the catalyst device (step 104).",
  "title": "EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE"
}