Patents by Inventor Frank Ni

Frank Ni 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).

  • Piston with cooling gallery cooling insert and method of construction thereof
    Patent number: 10240556
    Abstract: A piston for an internal combustion engine and method of construction thereof is provided. The piston has a top part and a bottom part. The top part has an upper combustion surface including a top surface with a combustion bowl recessed therein. An annular combustion bowl rim extends between the top surface and a side wall of the combustion bowl. The bottom part has a bottom wall and a pair of pin bosses depending therefrom. The top part is fixed to the bottom part with an annular cooling gallery defined therebetween. The side wall of the combustion bowl has a radially outwardly facing side bounding a portion of the cooling gallery, wherein an annular recessed channel is formed therein adjacent the combustion bowl rim. A cooling ring is disposed in the annular channel. The cooling ring channels coolant adjacent the combustion bowl rim to facilitate cooling the combustion bowl rim.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: March 26, 2019
    Assignee: Tenneco Inc.
    Inventor: Frank Ni
  • PISTON WITH COOLING GALLERY COOLING INSERT AND METHOD OF CONSTRUCTION THEREOF
    Publication number: 20160222912
    Abstract: A piston for an internal combustion engine and method of construction thereof is provided. The piston has a top part and a bottom part. The top part has an upper combustion surface including a top surface with a combustion bowl recessed therein. An annular combustion bowl rim extends between the top surface and a side wall of the combustion bowl. The bottom part has a bottom wall and a pair of pin bosses depending therefrom. The top part is fixed to the bottom part with an annular cooling gallery defined therebetween. The side wall of the combustion bowl has a radially outwardly facing side bounding a portion of the cooling gallery, wherein an annular recessed channel is formed therein adjacent the combustion bowl rim. A cooling ring is disposed in the annular channel. The cooling ring channels coolant adjacent the combustion bowl rim to facilitate cooling the combustion bowl rim.
    Type: Application
    Filed: February 1, 2016
    Publication date: August 4, 2016
    Inventor: Frank Ni