{
  "$type": "site.standard.document",
  "description": "A cooling fan which cools both an engine coolant radiator and an air conditioner refrigerant condenser is revolved by a motor whose duty ratio is controlled so that the sum (T1) of the torque (Ti1) required for a generator to drive the motor and the torque (Tc1) required to drive a compressor of…",
  "path": "/patents/1108538",
  "publishedAt": "2001-11-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/3205",
    "NISSAN MOTOR [JP]"
  ],
  "textContent": "A cooling fan which cools both an engine coolant radiator and an air conditioner refrigerant condenser is revolved by a motor whose duty ratio is controlled so that the sum (T1) of the torque (Ti1) required for a generator to drive the motor and the torque (Tc1) required to drive a compressor of the air conditioner is minimized while satisfying a control demand (X,Y) for a coolant temperature (Tw) and a refrigerant pressure (P).",
  "title": "Apparatus and method for controlling duty ratio for cooling fan associated motor of vehicle"
}