{
  "$type": "site.standard.document",
  "description": "A hydrodynamic retarder (1) has a stator (2), a rotor (3) and an oil reservoir (9) operated by an electric motor by means of an actuator (7). A piston (8) or a membrane is used to operate the oil reservoir. A heat exchanger (5) links to a vehicle's coolant circuit (6). An independent claim is also…",
  "path": "/patents/1089615",
  "publishedAt": "2004-02-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T1/087",
    "ZAHNRADFABRIK FRIEDRICHSHAFEN [DE]"
  ],
  "textContent": "A hydrodynamic retarder (1) has a stator (2), a rotor (3) and an oil reservoir (9) operated by an electric motor by means of an actuator (7). A piston (8) or a membrane is used to operate the oil reservoir. A heat exchanger (5) links to a vehicle's coolant circuit (6). An independent claim is also included for a device for operating a hydrodynamic retarder.",
  "title": "Device for and method of operating a hydrodynamical retarder"
}