{
  "abstract": "A method for operating a hydraulic system. The method including providing a delivered volumetric flow of a hydraulic medium for moving at least one hydraulic cylinder by a hydraulic device having at least one hydraulic pump and which at a minimum rotational speed of the at least one hydraulic pump provides a minimum delivered volumetric flow of a hydraulic medium. When reaching a predetermined delivered volumetric flow greater than the minimum delivered volumetric flow of the hydraulic device, a further hydraulic pump is connected having a minimum rotational speed for increasing the delivered volumetric flow of the hydraulic medium when the rotational speed of the at least one hydraulic pump is equal or greater than the minimum rotational speed of the at least one hydraulic pump and the rotational speed of the further hydraulic pump is equal to or greater than the minimum rotational speed of the further hydraulic pump.",
  "assignees": [
    "JUNGHEINRICH AG"
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    "GLAESKE JENS",
    "PAGELS TIM",
    "STOLTEN THOMAS"
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  "title": "Method for operating a hydraulic system of an industrial truck having a plurality of hydraulic pumps, and industrial truck",
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