{
  "$type": "site.standard.document",
  "description": "A stiffness conversion valve and a valve core thereof, an air spring, a suspension system, and a vehicle are provided. The stiffness conversion valve includes a valve rod and a valve core. The valve core is provided with a first hole, and the valve rod is partially accommodated in the first hole…",
  "path": "/patents/1390521",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G17/056",
    "BYD CO LIMITED [CN]"
  ],
  "textContent": "A stiffness conversion valve and a valve core thereof, an air spring, a suspension system, and a vehicle are provided. The stiffness conversion valve includes a valve rod and a valve core. The valve core is provided with a first hole, and the valve rod is partially accommodated in the first hole. The valve rod is fixedly connected to a side wall of the first hole. The stiffness conversion valve includes a plurality of first cross sections along an axis perpendicular to the valve rod. A cross-sectional area of the first hole is greater than a cross-sectional area of the valve rod on at least some of the first cross sections.",
  "title": "STIFFNESS CONVERSION VALVE AND VALVE CORE THEREOF, AIR SPRING, SUSPENSION SYSTEM, AND VEHICLE"
}