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:
Sep. 21, 2021
Filed:
Jun. 19, 2018
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Satoru Kaneko, Tokyo, JP;
Shinji Sugimoto, Tokyo, JP;
Takayoshi Nakamura, Tokyo, JP;
Tadashi Osaka, Tokyo, JP;
Masatsugu Arai, Tsuchiura, JP;
Naoki Fukuda, Tsuchiura, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
A dump truckincluding: an engine; a generatordriven by the engine; and a pair of driving wheelsL andR arranged to the left and right of a vehicle body frameincludes: a traveling electric motorL including a plurality of electric motorsLa,Lb, andLc that are coupled to the driving wheelL and simultaneously drive the driving wheelL; and a traveling electric motorR including a plurality of electric motorsRa,Rb, andRc that are coupled to the driving wheelR and simultaneously drive the driving wheelR. Thereby, drive systems corresponding to loads of dump trucks or the like can be configured using identical components.