Patents by Inventor Xiangxian Song

Xiangxian Song has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SINGLE-MOTOR, DUAL-HYDRAULIC-CIRCUIT DRIVE SYSTEM FOR INDUSTRIAL MATERIALS-HANDLING VEHICLE AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20240116739
    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.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 11, 2024
    Applicant: Hyster-Yale Maximal Forklift (Zhejiang) Co., Ltd.
    Inventors: Binshen Gu, Timothy Brian Cherry, Yuanfu Shi, Xiangxian Song, Xiaopeng Wang, Cheng Cao, Yuan Xu