{
  "$type": "site.standard.document",
  "description": "A variable-geometry resonator (4) for silencing an air intake system (1) of a vehicle engine, wherein a closed, axially symmetrical casing (8) has two couplings (10,15) communicating hydraulically with the outside, and is divided internally into two variable-volume chambers (11,12) - each connected…",
  "path": "/patents/1089735",
  "publishedAt": "2004-02-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B27/021",
    "CORNAGLIA G OFF MET SPA [IT]"
  ],
  "textContent": "A variable-geometry resonator (4) for silencing an air intake system (1) of a vehicle engine, wherein a closed, axially symmetrical casing (8) has two couplings (10,15) communicating hydraulically with the outside, and is divided internally into two variable-volume chambers (11,12) - each connected permanently to one of the couplings (10,15) - by a partition (13) movable axially and cooperating in fluidtight manner with an inner lateral wall (14) of the closed casing (8); the resonator (4) also has means (16) for moving the movable partition (13) axially inside the closed casing (8) in response to a variation in the speed of the engine, and means for connecting the couplings (10,15) hydraulically to two different hydraulically in-series portions (3,3a) of an air intake pipe (2) of the engine.",
  "title": "Variable-geometry resonator for a vehicle engine air intake system, and air intake system featuring such a resonator"
}