Patents by Inventor CHIHUI SU

CHIHUI SU 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).

  • Hydraulic bicycle control device
    Patent number: 11897575
    Abstract: A brake control device includes a housing, a brake lever, a hydraulic seat and a piston. The housing is formed of a plastic and includes a handlebar mounting portion at an end thereof that is mounted to a bicycle handlebar. The brake lever is pivotably connected to the housing at a pivot of the housing. The hydraulic seat is disposed within the housing and is distal from the handlebar mounting portion. The hydraulic seat is formed of a metal and defines a piston chamber and a hydraulic reservoir therein that are in fluid communication with each other. The piston is movably mounted to the piston chamber in the hydraulic seat, and is operably connected to the brake lever. The plastic of the housing is adhered to the hydraulic seat.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: February 13, 2024
    Assignee: SRAM, LLC
    Inventors: Chihui Su, Yen-Pang Liu
  • HYDRAULIC BICYCLE CONTROL DEVICE
    Publication number: 20210078671
    Abstract: A brake control device includes a housing, a brake lever, a hydraulic seat and a piston. The housing is formed of a plastic and includes a handlebar mounting portion at an end thereof that is mounted to a bicycle handlebar. The brake lever is pivotably connected to the housing at a pivot of the housing. The hydraulic seat is disposed within the housing and is distal from the handlebar mounting portion. The hydraulic seat is formed of a metal and defines a piston chamber and a hydraulic reservoir therein that are in fluid communication with each other. The piston is movably mounted to the piston chamber in the hydraulic seat, and is operably connected to the brake lever. The plastic of the housing is adhered to the hydraulic seat.
    Type: Application
    Filed: September 14, 2020
    Publication date: March 18, 2021
    Applicant: SRAM, LLC
    Inventors: CHIHUI SU, YEN-PANG LIY