{
  "$type": "site.standard.document",
  "description": "An air cleaning device includes a filter element, an air guide region in flow connection with the filter element, and an air guide flap being arranged in the air guide region and being configured to adjust an air flow passing the air guide region. The air guide flap is mounted on a pivot joint and…",
  "path": "/patents/1386780",
  "publishedAt": "2026-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01D46/0045",
    "MANN & HUMMEL GMBH [DE]"
  ],
  "textContent": "An air cleaning device includes a filter element, an air guide region in flow connection with the filter element, and an air guide flap being arranged in the air guide region and being configured to adjust an air flow passing the air guide region. The air guide flap is mounted on a pivot joint and is configured to be turned between a closed position and an open position. The air guide flap includes a closing section and an opening section being connected with the closing section. The pivot joint is arranged between the closing section and the opening section. The closing section forms an air resistance surface for the air flow passing through the air guide region.",
  "title": "AIR CLEANING DEVICE"
}