{
  "$type": "site.standard.document",
  "description": "An exhaust gas purification system for an internal combustion engine, the system being provided with: an exhaust gas purification device (13) that is provided in an exhaust gas passage (12) of the internal combustion engine (1); a preceding stage catalyst (14) that is provided in the exhaust gas…",
  "path": "/patents/993912",
  "publishedAt": "2013-01-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N3/106",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "An exhaust gas purification system for an internal combustion engine, the system being provided with: an exhaust gas purification device (13) that is provided in an exhaust gas passage (12) of the internal combustion engine (1); a preceding stage catalyst (14) that is provided in the exhaust gas passage (12) at an upstream side of the exhaust gas purification device (13) and passed through by a part of exhaust gas that flows through the exhaust gas passage (12); a bypass passage (31) that directly introduces exhaust gas of the internal combustion engine (1) into the exhaust gas passage (12) at a downstream side of the preceding stage catalyst (14); and a bypass valve (34) that opens/closes the bypass passage (31).",
  "title": "EXHAUST PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE"
}