{
  "$type": "site.standard.document",
  "description": "A valve needle (14) operates a valve-closing body (15). A hydraulic coupler (40) has a piston (37) that partly engages into a retaining hole and forms a coupler gap (50,51) with the hole. The gap is filled with hydraulic fluid and surrounded by a first balancing area restricted by a first coupler…",
  "path": "/patents/1083949",
  "publishedAt": "2004-09-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M51/0603",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "A valve needle (14) operates a valve-closing body (15). A hydraulic coupler (40) has a piston (37) that partly engages into a retaining hole and forms a coupler gap (50,51) with the hole. The gap is filled with hydraulic fluid and surrounded by a first balancing area restricted by a first coupler membrane (41).",
  "title": "Fuel injector"
}