{
  "$type": "site.standard.document",
  "description": "A method for determination of exhaust back pressure (P3) for an engine (1) with a two-staged turbocharger (2) comprises the following steps: - measuring the temperature (T3) downstream the engine (1), the temperature (T4) downstream the turbocharger (2) and/or the pressure (P4) downstream the…",
  "path": "/patents/994023",
  "publishedAt": "2013-01-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B37/013",
    "FORD GLOBAL TECH LLC [US]"
  ],
  "textContent": "A method for determination of exhaust back pressure (P3) for an engine (1) with a two-staged turbocharger (2) comprises the following steps: - measuring the temperature (T3) downstream the engine (1), the temperature (T4) downstream the turbocharger (2) and/or the pressure (P4) downstream the turbocharger (2); - determining a flow parameter for exhaust mass flow; - estimating overall turbine pressure ratio (PRT) or difference with a model (15) of the turbocharger (2) on the basis of the measured and determined parameters; - determining the exhaust back pressure (P3) downstream the engine (1) with the model (15).",
  "title": "Method for determination of exhaust back pressure"
}