{
  "$type": "site.standard.document",
  "description": "A control system (240) for limiting a power turbine torque of a gas turbine engine (100; 300) is disclosed. In various embodiments, the control system (240) includes an engine control module (242) configured to output an effector command signal (268) to a gas generator (102; 202) of the gas turbine…",
  "path": "/patents/1415507",
  "publishedAt": "2024-05-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C3/10",
    "RTX CORP [US]"
  ],
  "textContent": "A control system (240) for limiting a power turbine torque of a gas turbine engine (100; 300) is disclosed. In various embodiments, the control system (240) includes an engine control module (242) configured to output an effector command signal (268) to a gas generator (102; 202) of the gas turbine engine (100; 300); a power turbine governor module (248) configured to output to the engine control module (242) a power turbine torque request signal (QPT_req); and a power turbine torque limiter module (246) configured to output to the power turbine governor module (248) a power turbine speed rate signal (NPdot_max) to limit a power turbine speed overshoot of the gas turbine engine (100; 300).",
  "title": "SPEED LIMITING FOR POWER TURBINE GOVERNING AND PROTECTION IN A TURBOSHAFT ENGINE"
}