{
  "$type": "site.standard.document",
  "description": "The butterfly valve device (2) has housing (4) whose interior is formed with a through-flow fluid channel (6). The cross-section of the through-flow fluid channel through a flap portion is determined. The flap portion is located on a flap shaft and is supported and rotated in the housing at a…",
  "path": "/patents/985599",
  "publishedAt": "2013-03-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D9/1065",
    "PIERBURG GMBH [DE]"
  ],
  "textContent": "The butterfly valve device (2) has housing (4) whose interior is formed with a through-flow fluid channel (6). The cross-section of the through-flow fluid channel through a flap portion is determined. The flap portion is located on a flap shaft and is supported and rotated in the housing at a bearing point. A position unit (10) is provided for driving the flap shaft and for providing a limited number of positions for the flap portion.",
  "title": "Choke valve device for an internal combustion engine"
}