{
  "$type": "site.standard.document",
  "description": "An electropneumatic parking brake module includes a supply port configured to connect a compressed air supply, a spring brake actuator port configured to connect at least one spring brake cylinder, and a trailer control port, an inlet-outlet valve unit configured to control a spring brake pressure…",
  "path": "/patents/1273164",
  "publishedAt": "2020-10-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/263",
    "WABCO GmbH"
  ],
  "textContent": "An electropneumatic parking brake module includes a supply port configured to connect a compressed air supply, a spring brake actuator port configured to connect at least one spring brake cylinder, and a trailer control port, an inlet-outlet valve unit configured to control a spring brake pressure, and an electropneumatic pilot control unit configured to control at least one control pressure at the inlet-outlet valve unit and configured to perform a trailer control position function. The electropneumatic pilot control unit includes a 3/3-way valve that has a first switching position in which the at least one control pressure is controlled, a second switching position in which the trailer control position function is carried out, and a third switching position in which the inlet-outlet valve unit and the trailer control port are connected to a vent.",
  "title": "ELECTROPNEUMATIC PARKING BRAKE MODULE FOR UTILITY VEHICLES WITH SPRING-TYPE PARKING BRAKES"
}