{
  "$type": "site.standard.document",
  "description": "A method for operating an engine during a fuel cut-off mode is disclosed. The method may adjust exhaust valve opening timing and exhaust valve lift of one or more cylinders to heat air flowing through the one or more cylinders so that a temperature of an after treatment device may be maintained or…",
  "path": "/patents/1314785",
  "publishedAt": "2022-04-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0235",
    "Ford Global Technologies, LLC"
  ],
  "textContent": "A method for operating an engine during a fuel cut-off mode is disclosed. The method may adjust exhaust valve opening timing and exhaust valve lift of one or more cylinders to heat air flowing through the one or more cylinders so that a temperature of an after treatment device may be maintained or increased.",
  "title": "METHOD AND SYSTEM FOR OPERATING AN ENGINE"
}