{
  "$type": "site.standard.document",
  "description": "A control device (100) for an internal combustion engine (1) is provided with: a variable valve driving mechanism (10) capable of changing a working angle of an intake valve (19) while keeping a maximum magnitude of lift and opening timing constant; a reduction catalyst (9) which absorbs nitrogen…",
  "path": "/patents/951646",
  "publishedAt": "2015-03-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01L1/267",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A control device (100) for an internal combustion engine (1) is provided with: a variable valve driving mechanism (10) capable of changing a working angle of an intake valve (19) while keeping a maximum magnitude of lift and opening timing constant; a reduction catalyst (9) which absorbs nitrogen oxide in exhaust during lean combustion and reduces the nitrogen oxide absorbed during rich combustion; and a control unit (4) changing, according to a load (T L , T H ) on the internal combustion engine (1), an amount of advance (”IVC L , ”IVC H ) of closing of the intake valve 19 at the time of switching to rich combustion.",
  "title": "CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE"
}