{
  "$type": "site.standard.document",
  "description": "A hollow structure has a hollow body with an annular first space; and at least one resonator in which there is formed an elongated second space with a pair of openings at two ends thereof. Each of the pair of openings comprises an opening that opens inwardly toward the interior of the first space…",
  "path": "/patents/1424742",
  "publishedAt": "2024-01-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C19/002",
    "YAMAHA CORP [JP]"
  ],
  "textContent": "A hollow structure has a hollow body with an annular first space; and at least one resonator in which there is formed an elongated second space with a pair of openings at two ends thereof. Each of the pair of openings comprises an opening that opens inwardly toward the interior of the first space. The ratio of the length of a centerline of the second space to the length of a centerline of the first space is within a range of from 0.45 to 0.55, and the second space has a bent or curved portion.",
  "title": "VEHICLE WHEEL STRUCTURE AND RESONATOR"
}