Patents by Inventor Lib Li

Lib Li 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).

  • Patent number: 11404942
    Abstract: A motor stator assembly, a synchronous motor and a passenger transport device are provided by the present disclosure. The motor stator assembly includes: a stator base disposed axially around a motor drive shaft, the stator base having a receiving space and two stator end faces, and the receiving space being disposed between the two stator end faces and disposed along a circumferential outer side of the stator base; and a plurality of coil assemblies each inserted in the receiving space in a radial direction of the stator base. According to the motor stator assembly, the synchronous motor and the passenger transport device of the present disclosure, by providing a plurality of coil assemblies inserted in the stator base, the maintenance or replacement can be performed as needed, the maintenance is convenient, and less time-consuming, and also has reliable performances.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 2, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Lib Li
  • Publication number: 20200059139
    Abstract: A motor stator assembly, a synchronous motor and a passenger transport device are provided by the present disclosure. The motor stator assembly includes: a stator base disposed axially around a motor drive shaft, the stator base having a receiving space and two stator end faces, and the receiving space being disposed between the two stator end faces and disposed along a circumferential outer side of the stator base; and a plurality of coil assemblies each inserted in the receiving space in a radial direction of the stator base. According to the motor stator assembly, the synchronous motor and the passenger transport device of the present disclosure, by providing a plurality of coil assemblies inserted in the stator base, the maintenance or replacement can be performed as needed, the maintenance is convenient, and less time-consuming, and also has reliable performances.
    Type: Application
    Filed: August 14, 2019
    Publication date: February 20, 2020
    Inventor: Lib Li