{
  "$type": "site.standard.document",
  "description": "Fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: a pumping chamber (14) defined in a main body (12); a piston (15) which is mounted in a sliding manner inside the pumping chamber (14) to cyclically vary the volume of the pumping chamber (14); an…",
  "path": "/patents/946036",
  "publishedAt": "2016-03-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/06",
    "MAGNETI MARELLI SPA [IT]"
  ],
  "textContent": "Fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: a pumping chamber (14) defined in a main body (12); a piston (15) which is mounted in a sliding manner inside the pumping chamber (14) to cyclically vary the volume of the pumping chamber (14); an intake channel (17) which originates from a wall of the pumping chamber (14); an intake valve (18) which is coupled to the intake channel (17); a delivery channel (19) which originates from a wall of the pumping chamber (14); a delivery valve (20) which is coupled to the delivery channel (19); and an actuating spring (16) which has a plurality of turns (26) having a pitch (P) between the turns (26) being variable and coupled to the piston (15) so as to push the piston (15) towards a maximum volume or minimum volume position of the pumping chamber (14).",
  "title": "FUEL PUMP FOR A DIRECT INJECTION SYSTEM"
}