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.

Date of Patent:
Jan. 13, 2026

Filed:

Oct. 06, 2023
Applicant:

Hyster-yale Maximal Forklift (Zhejiang) Co., Ltd., Zhejiang, CN;

Inventors:

Binshen Gu, Hangzhou, CN;

Timothy Brian Cherry, Hangzhou, CN;

Yuanfu Shi, Hangzhou, CN;

Xiangxian Song, Hangzhou, CN;

Xiaopeng Wang, Hangzhou, CN;

Cheng Cao, Hangzhou, CN;

Yuan Xu, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66F 9/075 (2006.01); F04B 17/03 (2006.01); F04B 23/10 (2006.01); F04B 23/12 (2006.01); F04C 2/08 (2006.01);
U.S. Cl.
CPC ...
B66F 9/07572 (2013.01); F04B 17/03 (2013.01); F04B 23/10 (2013.01); F04B 23/12 (2013.01); F04C 2/084 (2013.01); F04C 2240/40 (2013.01);
Abstract

A drive system for an industrial handling vehicle comprises an electric motor, a first pump, for example, a plunger pump, and a second pump, for example, a gear pump. The first pump is configured to provide hydraulic power for a travelling device of the industrial handling vehicle. The first pump and the travelling device are in a first hydraulic circuit. The second pump is configured to provide hydraulic power for a brake device and/or a steering device and/or a handling device of the industrial handling vehicle. The second pump, the brake device, the steering device, and the handling device are in a second hydraulic circuit isolated from the first hydraulic circuit. The electric motor is operatively coupled to both the first pump and the second pump, to drive them to operate.


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Gu, Binshen. (2026). Single-motor, dual-hydraulic-circuit drive system for industrial materials-handling vehicle and method for controlling the same (U.S. Patent No. 12522487). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12522487

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