{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreibjbrvrutnos2nbcubsi3aud3yk3w3xftzoqaiyhfjbthalhyqkva"
    },
    "mimeType": "image/png",
    "size": 105122
  },
  "description": "The invention relates to a method to control a fuel pump (4) for a direct injection system of a heat engine (1) provided with a common rail (3) comprising the steps of determining a minimum threshold (Q) based on the pressure (P) in the common rail (3) and on the speed (n) of the heat engine (1)…",
  "path": "/patents/1432836",
  "publishedAt": "2022-05-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D1/00",
    "MARELLI EUROPE SPA [IT]"
  ],
  "textContent": "The invention relates to a method to control a fuel pump (4) for a direct injection system of a heat engine (1) provided with a common rail (3) comprising the steps of determining a minimum threshold (Q) based on the pressure (P) in the common rail (3) and on the speed (n) of the heat engine (1), on the temperature (T) of the high-pressure pump (4) and on the inlet pressure (P) of the high-pressure pump (4); calculating the objective fuel flow rate (M) to be fed by the high-pressure pump (4) to the common rail (3) instant by instant in order to have the desired pressure value (P) inside the common rail (3); comparing the objective fuel flow rate (M) with the minimum threshold (Q); and controlling the high-pressure pump (4) based on the comparison between the objective fuel flow rate (M) and the minimum threshold (Q) .",
  "title": "METHOD TO CONTROL A HIGH-PRESSURE FUEL PUMP FOR A DIRECT INJECTION SYSTEM"
}