{
  "$type": "site.standard.document",
  "description": "An air-fuel ratio control system () including an air-fuel ratio control section () for controlling the air-fuel ratio λ of an air-fuel mixture, an exhaust gas purifier (); an air-fuel ratio sensor () whose output changes sharply when λ in the exhaust gas changes between rich and lean sides about a…",
  "path": "/patents/1288529",
  "publishedAt": "2021-04-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/1494",
    "NGK SPARK PLUG CO., LTD."
  ],
  "textContent": "An air-fuel ratio control system () including an air-fuel ratio control section () for controlling the air-fuel ratio λ of an air-fuel mixture, an exhaust gas purifier (); an air-fuel ratio sensor () whose output changes sharply when λ in the exhaust gas changes between rich and lean sides about a stoichiometric air-fuel ratio; a heater (); and a temperature control section (). The air-fuel ratio control section () controls λ based on the output of the air-fuel ratio sensor () using, as a target air-fuel ratio, a predetermined air-fuel ratio such that 0.980≤λ",
  "title": "AIR-FUEL RATIO CONTROL SYSTEM AND AIR-FUEL RATIO CONTROL METHOD"
}