{
  "$type": "site.standard.document",
  "description": "The air filter has an air filter (13) arranged between an inlet (11) and an outlet (12). A connecting collar (15) for a resonator tube (16) is ranged on the air filter housing (14a,14b). At least part of the connecting collar forms at least part of the external wall of a resonant acoustic damper…",
  "path": "/patents/1088669",
  "publishedAt": "2004-03-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M35/0207",
    "MANN & HUMMEL GMBH [DE]"
  ],
  "textContent": "The air filter has an air filter (13) arranged between an inlet (11) and an outlet (12). A connecting collar (15) for a resonator tube (16) is ranged on the air filter housing (14a,14b). At least part of the connecting collar forms at least part of the external wall of a resonant acoustic damper. Independent claims are included for a modular system for constructing an air filter, and for a method of manufacturing an air filter.",
  "title": "Combined resonator and air filter"
}