{
  "$type": "site.standard.document",
  "description": "A fatigue failure verification device according to an embodiment of the present disclosure includes: a module housing including a welding portion; a cell stack including a plurality of battery cells accommodated in the module housing; at least one main flexible tube located in a central portion of…",
  "path": "/patents/1401403",
  "publishedAt": "2025-10-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01M5/0033",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A fatigue failure verification device according to an embodiment of the present disclosure includes: a module housing including a welding portion; a cell stack including a plurality of battery cells accommodated in the module housing; at least one main flexible tube located in a central portion of the cell stack in a stack direction of the cell stack; a main flexible tube frame in which the main flexible tube is accommodated, the main flexible tube frame including a pair of opening portions formed on both sides so that the main flexible tube faces the battery cell; and a pump configured to adjust a pressure applied by the main flexible tube to the battery cell by supplying a fluid to the main flexible tube.",
  "title": "APPARATUS FOR INSPECTING FATIGUE FRACTURE OF HOUSING WELDING PART OF BATTERY MODULE"
}