{
  "$type": "site.standard.document",
  "description": "A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) presents: a pumping chamber (14); a piston (15) which is mounted in a sliding manner inside the pumping chamber (14); a suction channel (17) connected to the pumping chamber (14) and regulated by a…",
  "path": "/patents/997336",
  "publishedAt": "2012-10-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/366",
    "MAGNETI MARELLI SPA [IT]"
  ],
  "textContent": "A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) presents: a pumping chamber (14); a piston (15) which is mounted in a sliding manner inside the pumping chamber (14); a suction channel (17) connected to the pumping chamber (14) and regulated by a suction valve (18); a delivery channel (19) connected to the pumping chamber (14) and regulated by a delivery valve (20); and a flow rate adjustment device (6) which is mechanically coupled to the suction valve (18) for keeping, when necessary, the suction valve (18) open during a pumping step of the piston (15) and presents a control rod (21) coupled to the suction valve (18) and an electromagnetic actuator (22) which acts on the control rod (21); wherein the electromagnetic actuator (22) presents a one-way hydraulic brake (28), which is integral with the control rod (21) and slows down the movement of the control rod (21).",
  "title": "Silenced fuel pump for a direct injection system"
}