{
  "$type": "site.standard.document",
  "description": "In a process to operate a lean-burn automotive piston engine with a NOx storage catalytic converter, the NOx capacity and O 2capacity are determined and adapted for the converter in a given condition, and compared with the capacity in fresh condition, triggering catalyst regeneration. The catalytic…",
  "path": "/patents/1079810",
  "publishedAt": "2005-02-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N13/009",
    "VOLKSWAGEN AG [DE]"
  ],
  "textContent": "In a process to operate a lean-burn automotive piston engine with a NOx storage catalytic converter, the NOx capacity and O 2capacity are determined and adapted for the converter in a given condition, and compared with the capacity in fresh condition, triggering catalyst regeneration. The catalytic converter condition is determined by sensors including temperature information in the exhaust system.",
  "title": "Method for operating of an internal combustion engine"
}