{
  "$type": "site.standard.document",
  "description": "The disclosure relates to a computer-implemented method for controlling direct injection of hydrogen fuel into an engine cylinder (103) of a vehicle (1) from a hydrogen tank (104) via an injector system (100), the method comprising: determining (S102) a present hydrogen pressure in the hydrogen…",
  "path": "/patents/1392768",
  "publishedAt": "2026-05-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D19/022",
    "VOLVO TRUCK CORP [SE]"
  ],
  "textContent": "The disclosure relates to a computer-implemented method for controlling direct injection of hydrogen fuel into an engine cylinder (103) of a vehicle (1) from a hydrogen tank (104) via an injector system (100), the method comprising: determining (S102) a present hydrogen pressure in the hydrogen tank (104); determining (S104) a present requested engine torque and speed; determining (S106) a target injection pressure for injecting hydrogen into the engine combustion chamber (103) using a model wherein the target injection pressure is the injection pressure that, according to the model (122), minimizes the mechanical work of the compressor (106), that provides an in-cylinder pressure sufficient for the engine to provide the requested engine torque and speed, that provides NOx emission below a predetermined maximum NOx emission level, and that reduces engine fuel consumption, and adjusting (S108) the injector pressure according to the determined target injection pressure.",
  "title": "CONTROL OF INJECTION PRESSURE FOR HIGH PRESSURE DIRECT INJECTION SYSTEMS"
}