{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A broadband muffler for a fuel cell vehicle includes a first housing, a second housing connected to the first housing to form a sealed cavity, and an inner cannula disposed in the seal cavity and dividing the sealed cavity into chambers, the inner cannula comprising square or rectangular openings…",
  "path": "/patents/1353351",
  "publishedAt": "2023-10-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/72",
    "MANN+HUMMEL FILTER (SHANGHAI) CO., LTD."
  ],
  "textContent": "A broadband muffler for a fuel cell vehicle includes a first housing, a second housing connected to the first housing to form a sealed cavity, and an inner cannula disposed in the seal cavity and dividing the sealed cavity into chambers, the inner cannula comprising square or rectangular openings through a surface of the inner cannula in a first one of the chambers, the inner cannula comprising round holes through the surface of the inner cannula in a different one of the chambers, the square or rectangular openings and the round holes being for reducing noise. The broadband muffler further includes a water collection tank disposed in the second housing, a venturi tube connected to an exhaust port of the inner cannula, and a drainage tube disposed at a center of the venturi tube and connected to the water collection tank.",
  "title": "BROADBAND MUFFLER FOR FUEL CELL VEHICLE"
}