{
  "$type": "site.standard.document",
  "description": "The servomotor has a push rod (32) with a thermal dilatation unit (48) mounted between a stopper (50) integrated to the rod, and a front radial side (42) on a reaction disk (30). An axial gap is provided which determines a point of changing of power assistance ratio. The dilatation unit (48)…",
  "path": "/patents/1078588",
  "publishedAt": "2005-04-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/52",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "The servomotor has a push rod (32) with a thermal dilatation unit (48) mounted between a stopper (50) integrated to the rod, and a front radial side (42) on a reaction disk (30). An axial gap is provided which determines a point of changing of power assistance ratio. The dilatation unit (48) provides an effect opposite to that of the disk on the axial gap at the time of temperature variations.",
  "title": "Vacuum brake booster, especially for a vehicle"
}