Patents by Inventor Kyoung Rok DO

Kyoung Rok DO 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).

  • METHOD OF MANUFACTURING PLANETARY GEAR CARRIER
    Publication number: 20240359276
    Abstract: A method of manufacturing a planetary gear carrier includes a sintering step of forming a front carrier cap by sintering, an ion-nitrided layer forming step of forming an ion-nitrided layer on a surface of the sintered front carrier cap, a welding portion machining step of machining a surface of a welding portion of the front carrier cap by a thickness of the formed ion-nitrided influence layer, and a welding step of welding a welding portion of the front carrier cap connected to a component with a different type of material different from a material of the front carrier cap so that the welding portion is joined to the component with the different type of material.
    Type: Application
    Filed: September 27, 2023
    Publication date: October 31, 2024
    Inventors: Tae Hoon KIM, Kyoung Rok DO, Joo Sung PARK, Dong Kuk JEONG, Kyu Ho KIM