{
  "$type": "site.standard.document",
  "description": "A brake system for vehicles includes a backup cylinder body, a backup piston located in the backup cylinder body, and configured to be movable by pressing of a pedal, a pedal simulator piston movably provided in the backup cylinder body, and spaced apart from the backup piston, a first backup…",
  "path": "/patents/1381678",
  "publishedAt": "2026-04-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/62",
    "HYUNDAI MOBIS CO., LTD."
  ],
  "textContent": "A brake system for vehicles includes a backup cylinder body, a backup piston located in the backup cylinder body, and configured to be movable by pressing of a pedal, a pedal simulator piston movably provided in the backup cylinder body, and spaced apart from the backup piston, a first backup chamber defined in the backup cylinder body by the backup piston and the pedal simulator piston, and configured to store brake fluid, a first spring located in the first backup chamber, and configured to elastically support the backup piston and the pedal simulator piston, a stopper located in the backup cylinder body, and configured to restrict movement of the pedal simulator piston, and a damper located between the stopper and the pedal simulator piston, and configured to deform in response to movement of the pedal simulator piston toward the stopper.",
  "title": "BRAKE SYSTEM FOR VEHICLES"
}