{
  "$type": "site.standard.document",
  "description": "In connection with a fuel injection device for internal combustion engines, a valve unit is proposed which is located in the transition between pump working chamber, high-pressure accumulator and low-pressure source and which comprises a check piston and a return piston which, with their mutually…",
  "path": "/patents/1098578",
  "publishedAt": "2003-02-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M59/462",
    "ORANGE GMBH [DE]"
  ],
  "textContent": "In connection with a fuel injection device for internal combustion engines, a valve unit is proposed which is located in the transition between pump working chamber, high-pressure accumulator and low-pressure source and which comprises a check piston and a return piston which, with their mutually facing end faces during the compression stroke, form a sealing boundary that encloses the connection between pump working chamber and high-pressure accumulator and seals off against the low-pressure source.",
  "title": "Fuel injection device for internal combustion engines"
}