{
  "$type": "site.standard.document",
  "description": "An electronic level control system for a tracer comprises an electronic level control adapted to control air flow in an air suspension on a trailer. Change in brake pressure applied to wheels of the trailer is made in dependence on a status of a park brake on a tractor with a pneumatic connection…",
  "path": "/patents/984398",
  "publishedAt": "2013-08-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G17/0195",
    "KNORR BREMSE SYSTEME [DE]"
  ],
  "textContent": "An electronic level control system for a tracer comprises an electronic level control adapted to control air flow in an air suspension on a trailer. Change in brake pressure applied to wheels of the trailer is made in dependence on a status of a park brake on a tractor with a pneumatic connection to the trailer. The tractor park brake status status is detected or determined by at least one of the electronic level control or electronic brake control.",
  "title": "Electronic level control"
}