{
  "$type": "site.standard.document",
  "description": "A method for controlling a hybrid drive system in a working machine, the system comprising: an internal combustion engine; a torque converter having an input shaft operatively coupled to the engine and an output shaft operatively coupled to a gearbox; an energy storage system operatively coupled to…",
  "path": "/patents/1411660",
  "publishedAt": "2025-08-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/16",
    "VOLVO CONSTR EQUIP AB [SE]"
  ],
  "textContent": "A method for controlling a hybrid drive system in a working machine, the system comprising: an internal combustion engine; a torque converter having an input shaft operatively coupled to the engine and an output shaft operatively coupled to a gearbox; an energy storage system operatively coupled to the gearbox for providing power to and receiving power from a drive shaft via the gearbox, said drive shaft being operatively coupled to propulsion means of the working machine; and work hydraulics operatively connected to the engine; the method comprising: determining a torque converter slip; and if the torque converter slip is above a predetermined threshold level, discharging the energy storage system to provide energy stored in the energy storage system to the drive shaft for vehicle propulsion.",
  "title": "A DRIVE SYSTEM AND A METHOD FOR CONTROLLING A DRIVE SYSTEM OF A HYBRID WORKING MACHINE"
}