The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2025
Filed:
Feb. 16, 2023
Kobelco Construction Machinery Co., Ltd., Hiroshima, JP;
Masashi Kamada, Hiroshima, JP;
Masahiro Kawamoto, Hiroshima, JP;
KOBELCO CONSTRUCTION MACHINERY CO., LTD., Hiroshima, JP;
Abstract
A control device includes a rotational speed detection unit and a control unit. The control unit executes each of: feedforward control of calculating a load torque speed of an engine based on a discharge amount commanded for a hydraulic pump, and correcting a target rotational speed in accordance with at least the load torque speed; and feedback control of correcting the target rotational speed in accordance with a deviation between the target rotational speed of the engine and a rotational speed detected by the rotational speed detection unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile