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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-2026097944-A1, on 9 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000988

Method for operating a hydraulic system of an industrial truck having a plurality of hydraulic pumps, and industrial truck

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Classification
Lifting, Positioning & Manipulation › Lift Tables and Positioners
Inventors
GLAESKE JENS, PAGELS TIM, STOLTEN THOMAS
Assignee
JUNGHEINRICH AG
Original source
US-2026097944-A1, the United States Patent and Trademark Office, 9 April 2026
Document SHA-256
9fdf98607be88b7c5aa8a263e506dd7dd43dec06ae1c7b1145dc9e6c014d70de

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.

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Citation

OpenTechnical Publication OT-2026-000000988, “Method for operating a hydraulic system of an industrial truck having a plurality of hydraulic pumps, and industrial truck,” published September 15, 2026 at 19:03:41 UTC, https://opentechnical.org/p/OT-2026-000000988.

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