{
"$type": "site.standard.document",
"description": "A method for the direct injection of fuel into an internal combustion engine, wherein a high-pressure pump (4) with a variable flow rate supplies the fuel to a common rail (3), which in turn supplies the fuel to a series of injectors (2); the flow rate of the high-pressure pump (4) is controlled by…",
"path": "/patents/1072393",
"publishedAt": "2005-11-23T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"F02M59/265",
"MAGNETI MARELLI POWERTRAIN SPA [IT]"
],
"textContent": "A method for the direct injection of fuel into an internal combustion engine, wherein a high-pressure pump (4) with a variable flow rate supplies the fuel to a common rail (3), which in turn supplies the fuel to a series of injectors (2); the flow rate of the high-pressure pump (4) is controlled by choking each pump stroke by varying the closure time of an intake valve (16) of said high-pressure pump (4); the mechanical actuation of the high-pressure pump (4) is timed so that each injection interval (I) is located at the beginning of a respective choking action; and each pump stroke is choked by at least an angular interval having a duration no shorter than that of the injection intervals (I) irrespective of the quantity of fuel to be supplied to the common rail (3) in such a way that the injection phase of each injector (2) always takes place when the high-pressure pump (4) is not pumping fuel to the common rail (3).",
"title": "Method for the direct injection of fuel into an internal combustion engine"
}