{
  "$type": "site.standard.document",
  "description": "The valve flap for shutting off the flow of exhaust gas through a pipe (2) comprises a disk (4) which rotates on a shaft (3). The disk and shaft are made in one piece, e.g. by sintering or forging. An Independent claim is included for a rotary valve incorporating the flap.",
  "path": "/patents/1097837",
  "publishedAt": "2003-03-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D9/04",
    "SIEMENS AG [DE]"
  ],
  "textContent": "The valve flap for shutting off the flow of exhaust gas through a pipe (2) comprises a disk (4) which rotates on a shaft (3). The disk and shaft are made in one piece, e.g. by sintering or forging. An Independent claim is included for a rotary valve incorporating the flap.",
  "title": "One-piece rotating flap and rotary valve"
}