{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "size": 106253
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  "description": "The engine has an exhaust feedback regulator unit (56) controlling an exhaust feedback valve (34) based on an intake pressure in an internal conduit and a set point signal representing a desired intake pressure. The desired pressure depends on an air mass flow into the engine and an amount of…",
  "path": "/patents/1081904",
  "publishedAt": "2004-12-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D21/08",
    "FORD GLOBAL TECH LLC [US]"
  ],
  "textContent": "The engine has an exhaust feedback regulator unit (56) controlling an exhaust feedback valve (34) based on an intake pressure in an internal conduit and a set point signal representing a desired intake pressure. The desired pressure depends on an air mass flow into the engine and an amount of exhaust gas feedback. The feedback corresponds to a steady state amount of exhaust gas feedback present at a requested intake pressure. An independent claim is also included for a method of controlling a combustion engine.",
  "title": "A combustion engine and a method for controlling air mass flow and EGR rate"
}