{
  "$type": "site.standard.document",
  "description": "A trailer braking system including:a supply line for connection to a continuous source of pressurised fluid;a spring brake, which has an apply position and a release position, and the spring brake moves to the release position when pressurised fluid is provided at or above a threshold;a spring…",
  "path": "/patents/1395307",
  "publishedAt": "2025-06-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/265",
    "HALDEX BRAKE PROD AB [SE]"
  ],
  "textContent": "A trailer braking system including:a supply line for connection to a continuous source of pressurised fluid;a spring brake, which has an apply position and a release position, and the spring brake moves to the release position when pressurised fluid is provided at or above a threshold;a spring brake control valve, which controls the flow of fluid to the spring brake;an immobiliser having a brake release position and an immobilise position, which control the flow of pressurised fluid to the spring brake control valve,a shunt valve assembly having a shunt-enabled configuration and a shunt-disabled configuration, whereinin the shunt-disabled configuration, the immobiliser is operable to move both to the brake release position, in which the spring brake control valve is operable to cause the flow of pressurised fluid into the spring brake or to vent the spring brake chamber, and to the immobilise position, in which the spring brake control valve is not operable, andin the shunt-enabled configuration, the immobiliser is moved to the brake release position and the spring brake control valve permits pressurised fluid to the spring brake such that the spring brake is moved to the release position.",
  "title": "A TRAILER BRAKING SYSTEM"
}