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:
Mar. 25, 2025
Filed:
Jan. 19, 2022
Takeuchi Mfg. Co., Ltd., Nagano, JP;
Kengo Kumeuchi, Chikuma, JP;
Yuta Kobayashi, Tomi, JP;
Shumpei Okutani, Ueda, JP;
Koichi Shimizu, Ueda, JP;
Takeuchi Mfg. Co., Ltd., Nagano, JP;
Abstract
A working control device comprises a hydraulic actuator such as the boom cylinderthe bucket cylinderthe operation devicethat is operated by an operator to drive the hydraulic actuator, a hydraulic oil supply source consisting of the electric motor Mand the hydraulic pump Pthat delivers hydraulic oil required to drive the hydraulic actuator; and a delivery oil amount control device (the controller for controlling rotation of the electric motor) that controls an amount of oil to be delivered from the hydraulic oil supply source in response to an operation of the operation device. The delivery oil amount control device is configured to perform a supplying oil amount control to deliver from the hydraulic oil supply source a required amount of oil for the hydraulic actuator to have a working speed corresponding to the operation of the operation device.