{
  "$type": "site.standard.document",
  "description": "A method for controlling an internal combustion engine (1) supercharged by means of a turbocharger (12) provided with a turbine (13) and with a compressor (14); the control method includes the steps of determining a pressure objective downstream of the compressor (14); determining a critical…",
  "path": "/patents/1003873",
  "publishedAt": "2012-03-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B37/16",
    "MAGNETI MARELLI SPA [IT]"
  ],
  "textContent": "A method for controlling an internal combustion engine (1) supercharged by means of a turbocharger (12) provided with a turbine (13) and with a compressor (14); the control method includes the steps of determining a pressure objective downstream of the compressor (14); determining a critical threshold (M critica ) of the reduced mass flow rate (Q AHR ), said critical threshold (M critica ) delimiting, on a reduced mass flow rate/compression ratio plane, a critical area close to the achievement of sonic conditions; and filtering, by means of a first filter, the pressure objective downstream of the compressor (14) when the current reduced mass flow rate (Q AHR ) is higher than the critical threshold (M critica ).",
  "title": "A method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger"
}