{
  "$type": "site.standard.document",
  "description": "The present application provides an air spring, comprising an upper cover; a lower cover including a cover plate arranged opposite to the upper cover at intervals and a support part connected below the cover plate; a diaphragm arranged between the cover plate and the upper cover; a base connected…",
  "path": "/patents/1395909",
  "publishedAt": "2025-05-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G11/48",
    "QINGDAO BORUI ZHIYUAN ANTI VIBRATION TECH CO LTD [CN]"
  ],
  "textContent": "The present application provides an air spring, comprising an upper cover; a lower cover including a cover plate arranged opposite to the upper cover at intervals and a support part connected below the cover plate; a diaphragm arranged between the cover plate and the upper cover; a base connected with the support part; an electromagnetic levitation module including a first coil and a second coil that are able to be energized; a detection module including a first load senor configured to detect the vertical load borne by the air spring and a first height sensor configured to detect a height difference; and an electromagnetic control module electrically connected with the electromagnetic levitation module and the detection module respectively and configured to receive detection signals from the detection module and control the electromagnetic levitation module according to the detection signals.",
  "title": "AIR SPRING AND RAILWAY VEHICLE"
}