Patents by Inventor Byeoung Jin CHOI

Byeoung Jin CHOI 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).

  • Master cylinder of brake for vehicle
    Patent number: 11458944
    Abstract: A master cylinder of a brake for a vehicle includes: a housing that is provided with ports through which oil flows; a motor that is connected to the housing and supplies rotation power; a screw that is rotatably installed inside the motor and is supplied and rotated with the rotation power of the motor; a movable piston that is engaged with an outside of the screw and is moved in a longitudinal direction of the housing by the rotation of the screw; a guide that is caught on the housing, subjected to restraint of rotation, and installed to be movable in the longitudinal direction of the housing, restrains rotation of the movable piston, and guides linear motion of the movable piston in the longitudinal direction.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: October 4, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Byeoung Jin Choi
  • MASTER CYLINDER OF BRAKE FOR VEHICLE
    Publication number: 20200391718
    Abstract: A master cylinder of a brake for a vehicle includes: a housing that is provided with ports through which oil flows; a motor that is connected to the housing and supplies rotation power; a screw that is rotatably installed inside the motor and is supplied and rotated with the rotation power of the motor; a movable piston that is engaged with an outside of the screw and is moved in a longitudinal direction of the housing by the rotation of the screw; a guide that is caught on the housing, subjected to restraint of rotation, and installed to be movable in the longitudinal direction of the housing, restrains rotation of the movable piston, and guides linear motion of the movable piston in the longitudinal direction.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 17, 2020
    Inventor: Byeoung Jin CHOI