{
  "$type": "site.standard.document",
  "description": "A fuel injection system (1) for a spark-ignition internal combustion engine having a number of cylinders (11), where a plurality of respective main combustion chambers (MC) are defined; a number of first injectors (2) and spark plugs (13) coupled to the cylinders (11); a number of combustion…",
  "path": "/patents/1417982",
  "publishedAt": "2023-01-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B19/1023",
    "MARELLI EUROPE SPA [IT]"
  ],
  "textContent": "A fuel injection system (1) for a spark-ignition internal combustion engine having a number of cylinders (11), where a plurality of respective main combustion chambers (MC) are defined; a number of first injectors (2) and spark plugs (13) coupled to the cylinders (11); a number of combustion pre-chambers (PC), each obtained in the area of a respective spark plug (13); a number of extraction ducts (17; 28), which originate from a respective cylinder (11) to extract the gas mixture present inside the respective main combustion chamber (MC); a reserve (18), where the gases extracted by the extraction ducts (17; 28) are mixed with the quantity of fuel needed to obtain a combustion under stoichiometric conditions inside the combustion pre-chambers (PC); and a number of second injectors (27), each coupled to a respective combustion pre-chamber (PC), into which it injects the gas-and-fuel mixture coming from the reserve (18).",
  "title": "A FUEL INJECTION SYSTEM FOR A SPARK-IGNITION INTERNAL COMBUSTION ENGINE AND RELATIVE CONTROL METHOD"
}