{
  "$type": "site.standard.document",
  "description": "The fuel injection valve has housing (1), where a piston-shaped valve needle (20) is arranged in longitudinally movable manner. A valve sealing surface is formed at the valve needle. The valve needle with a valve seat acts together for opening and closing an injection opening. The valve needle has…",
  "path": "/patents/1001954",
  "publishedAt": "2012-05-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M45/08",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "The fuel injection valve has housing (1), where a piston-shaped valve needle (20) is arranged in longitudinally movable manner. A valve sealing surface is formed at the valve needle. The valve needle with a valve seat acts together for opening and closing an injection opening. The valve needle has two piston-shaped valve needle units (120,220), where former valve needle unit limits a control chamber (30) and latter valve needle portion has the valve sealing surface.",
  "title": "Fuel injector valve for combustion engines"
}