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:
Jun. 03, 2025
Filed:
Feb. 08, 2022
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Satoru Kaneko, Tokyo, JP;
Kazuo Nishihama, Tokyo, JP;
Masatoshi Yoshimura, Tokyo, JP;
Kosuke Matsuo, Tokyo, JP;
Seiji Ishida, Tsuchiura, JP;
Toshihiko Watanabe, Tsuchiura, JP;
Tokuma Ikegami, Tsuchiura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
An object of the present invention is to provide a drive system for a dump truck capable of suppressing increase in size of a converter that controls a two-winding induction generator. To this end, the drive system for a dump truck includes a DC-DC converter connected to a main side DC bus and an auxiliary side DC bus, and a controller controls the DC-DC converter such that electric power of the main side DC bus is supplied to the auxiliary side DC bus via the DC-DC converter.