{
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  "description": "An excavator (100) includes a lower traveling body (1); an upper turning body (3) pivotally installed to the lower traveling body (1); an engine (11) installed in the upper turning body (3); a main pump (14) driven by the engine (11); and a controller (30) configured to control a flow rate of…",
  "path": "/patents/1413336",
  "publishedAt": "2023-06-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "E02F9/123",
    "SUMITOMO CONSTRUCTION MACHINERY CO LTD [JP]"
  ],
  "textContent": "An excavator (100) includes a lower traveling body (1); an upper turning body (3) pivotally installed to the lower traveling body (1); an engine (11) installed in the upper turning body (3); a main pump (14) driven by the engine (11); and a controller (30) configured to control a flow rate of hydraulic oil discharged by the main pump (14). The controller 30 is configured to, when a load of the engine (11) increases, delay a response of the main pump 14 until an actual torque of the engine (11) rises up to a level corresponding to the load of the engine (11).",
  "title": "EXCAVATOR"
}