{
  "$type": "site.standard.document",
  "description": "An intake air control device (20) for internal combustion engines includes a valve member (10, 10A) disposed within an intake air channel (3) of the internal combustion engine. The valve member is operable to open and close the intake air channel. An orifice (11, 11A) is defined within the valve…",
  "path": "/patents/1098724",
  "publishedAt": "2003-01-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B31/06",
    "AISAN IND [JP]"
  ],
  "textContent": "An intake air control device (20) for internal combustion engines includes a valve member (10, 10A) disposed within an intake air channel (3) of the internal combustion engine. The valve member is operable to open and close the intake air channel. An orifice (11, 11A) is defined within the valve member and has a circumferential wall (12, 12A) that includes at least one wall portion that defines an open area decreasing in the direction from an upstream side to a downstream side of the valve member.",
  "title": "Intake air control devices for internal combustion engines"
}