{
  "$type": "site.standard.document",
  "description": "A measurement unit (13) is electrically-connected with the blower (12) and the air inlet duct (10). This computes a time integral of the airflow through the air filter (11) as a function of the air flow paths (A, B, C) set, and the blower voltage. It determines the degree of contamination of the…",
  "path": "/patents/1083745",
  "publishedAt": "2004-09-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01D46/0086",
    "OPEL ADAM AG [DE]"
  ],
  "textContent": "A measurement unit (13) is electrically-connected with the blower (12) and the air inlet duct (10). This computes a time integral of the airflow through the air filter (11) as a function of the air flow paths (A, B, C) set, and the blower voltage. It determines the degree of contamination of the air filter as a function of this total quantity, and visualizes it in a display (14).",
  "title": "Filter device for a vehicle"
}