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. 11, 2026
Filed:
Oct. 24, 2022
Volvo Construction Equipment Ab, Eskilstuna, SE;
Hungju Shin, Gyeongsangnam-do, KR;
Miok Kim, Busan, KR;
VOLVO CONSTRUCTION EQUIPMENT AB, Eskilstuna, SE;
Abstract
A construction equipment includes a lower traveling body; an upper rotating body rotatably supported on the lower traveling body; a work machine which includes a boom, an arm, and a bucket operated by their respective hydraulic cylinder, wherein the work machine is supported by the upper rotating body; a control valve for controlling the hydraulic cylinder; an electronic proportional pressure reducing valve for controlling the spool of the control valve; an operation lever for outputting an operation signal corresponding to an operation amount of a driver; an information providing unit for providing information on the work machine and the work surface; and an electronic control unit for calculating and outputting a pilot pressure for the electronic proportional pressure reducing valve, wherein the electronic control unit controls the speed of the hydraulic cylinder by using the operation signal of the operation lever and the information provided by the information providing unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile