{
  "$type": "site.standard.document",
  "description": "A fuel pump (4) for a direct injection system having: at least one pumping chamber (14), a piston (15) which is slidingly mounted inside the pumping chamber (14) in order to cyclically vary the volume of the pumping chamber (14), an intake duct (17) connected to the pumping chamber (14) and…",
  "path": "/patents/1013296",
  "publishedAt": "2011-05-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/06",
    "MAGNETI MARELLI SPA [IT]"
  ],
  "textContent": "A fuel pump (4) for a direct injection system having: at least one pumping chamber (14), a piston (15) which is slidingly mounted inside the pumping chamber (14) in order to cyclically vary the volume of the pumping chamber (14), an intake duct (17) connected to the pumping chamber (14) and regulated by an inlet valve (18), a delivery duct (19) connected to the pumping chamber (14) and regulated by a one-way valve (20) that only allows outgoing fuel flow from the pumping chamber (14), and an annular seal (27), which is placed in a seat (29) made below the pumping chamber (14) around a lower portion of the piston (15) and has the function of preventing fuel leakage along the side wall of the piston (15).",
  "title": "Fuel pump with reduced seal wear for a direct injection system"
}