{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "The present disclosure relates to a method of determining an operational status of an exhaust gas recirculation (EGR) valve of an internal combustion engine (ICE) arrangement, the EGR valve being configured to control a flow of combusted exhaust gas from an exhaust manifold to an inlet manifold of…",
  "path": "/patents/1409277",
  "publishedAt": "2024-11-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0055",
    "VOLVO TRUCK CORP [SE]"
  ],
  "textContent": "The present disclosure relates to a method of determining an operational status of an exhaust gas recirculation (EGR) valve of an internal combustion engine (ICE) arrangement, the EGR valve being configured to control a flow of combusted exhaust gas from an exhaust manifold to an inlet manifold of the ICE arrangement, the method comprising controlling the EGR valve to transition from a closed position; obtaining a signal indicative of a variation of temperature level of the gas present in the inlet manifold at a duration between a first point in time and a second point in time when the EGR valve assumes the open position; determining, based on the signal indicative of the variation of the temperature level, a velocity value indicative of a maximum increase in change of temperature level during the time period between the first point in time and the second point in time; comparing the velocity value with a predetermined threshold; and determining that the EGR valve is operational when the velocity value is higher than the predetermined threshold.",
  "title": "A METHOD OF DETERMINING AN OPERATIONAL STATUS OF AN EGR VALVE"
}