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:
Oct. 13, 2026
Filed:
Aug. 07, 2023
Kobelco Construction Machinery Co., Ltd., Hiroshima, JP;
KOBELCO CONSTRUCTION MACHINERY CO., LTD., Hiroshima, JP;
Abstract
A hydraulic driving system includes a pump, an actuator, and a controller. The pump is rotationally driven by a power source to discharge oil. The pump has a capacity which is changeable. The actuator is activated by a supply of the oil discharged from the pump. The controller controls the capacity of the pump in accordance with a manipulation content for the actuator. The controller changes, on the basis of a rotational speed of the pump, an upper limit value of a magnitude of a pump capacity change amount being a change amount of the capacity of the pump per unit time.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile