{
  "$type": "site.standard.document",
  "description": "The proportional valve (3) associable with a control device comprises: - a body (5) inside which is housed sliding a cursor (10) having at least a third gap (13) communicating with a thrust chamber (9) acting on the operating piston (4) of a control device of a vehicle; - at least a spool (15)…",
  "path": "/patents/949866",
  "publishedAt": "2015-07-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/163",
    "STUDIO TECNICO 6M SRL [IT]"
  ],
  "textContent": "The proportional valve (3) associable with a control device comprises: - a body (5) inside which is housed sliding a cursor (10) having at least a third gap (13) communicating with a thrust chamber (9) acting on the operating piston (4) of a control device of a vehicle; - at least a spool (15) fitted sliding inside the cursor (10) and in which is defined at least a flow channel (18) of the work fluid communicating with a first chamber (19) which acts on a first portion (15a) of the spool itself, the relative displacement of the cursor (10) and of the spool (15) being able at least to place in communication the third gap (13) with one of a supply line (6) and a drain line (7); - at least a thrust element (20) associable with the braking pedal (P) of the vehicle, the displacement of the thrust element (20) towards a configuration of braking causing the relative displacement of the cursor (10) and of the spool (15) to allow the inlet of the work fluid in the thrust chamber (9) passing through the third gap (13); where the proportional valve (3) also comprises elastic means (21) acting on the spool (15) on the opposite side of the first chamber (19) and at least a locator element (22) able to press the elastic means (21) following the displacement of the thrust element (20) towards the configuration of braking to increase the force applied by the same on the spool (15).",
  "title": "Proportional valve associable with a control device, particularly with the pump-brake of a vehicle"
}