Patents by Inventor Zhong Wei Yu

Zhong Wei Yu 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 joining a ceramic plug tip and a steel support member using a threaded joint and an adhesive
    Patent number: 9429244
    Abstract: A valve plug assembly includes a support member having a support member body having a first end and a second end. A stem bore adapted to receive a valve stem may extend axially inward from the second end, and a mating protrusion may extend axially outward from the first end. The valve plug assembly also includes a plug tip having a first end and a second end, and a plug surface adapted to engage a valve seat is disposed adjacent to the first end. A mating bore may extend axially inward from the second end, and the mating protrusion may be received into the mating bore such that a threaded portion of the mating protrusion engages a threaded portion of the mating bore. Additionally, an adhesive bonds the threaded portion of the mating protrusion to the threaded portion of the mating bore.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: August 30, 2016
    Assignee: EMERSON PROCESS MANAGEMENT (TIANJIN) VALVE CO., LTD
    Inventors: Chun Gao, Zhong Wei Yu, Zhengyu Chen
  • Method of Joining a Ceramic Plug Tip and a Steel Support Member Using a Threaded Joint and an Adhesive
    Publication number: 20130313464
    Abstract: A valve plug assembly includes a support member having a support member body having a first end and a second end. A stem bore adapted to receive a valve stem may extend axially inward from the second end, and a mating protrusion may extend axially outward from the first end. The valve plug assembly also includes a plug tip having a first end and a second end, and a plug surface adapted to engage a valve seat is disposed adjacent to the first end. A mating bore may extend axially inward from the second end, and the mating protrusion may be received into the mating bore such that a threaded portion of the mating protrusion engages a threaded portion of the mating bore. Additionally, an adhesive bonds the threaded portion of the mating protrusion to the threaded portion of the mating bore.
    Type: Application
    Filed: December 1, 2010
    Publication date: November 28, 2013
    Applicant: EMERSON PROCESS MANAGEMENT (TIANJIN) VALVE CO., LTD
    Inventors: Chun Gao, Zhong Wei Yu, Zhengyu Chen