Patents by Inventor Chiung A. Lee

Chiung A. Lee 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).

  • Precision turning process for hatted brake rotor
    Patent number: 7484443
    Abstract: The invention provides a method including the steps of fixedly securing a brake rotor with a first rotatable fixture. The brake rotor includes a hat and a pair of plates, an inboard plate and an outboard plate. The method also includes the step of rough-cutting a plurality of surfaces of the brake rotor while the brake rotor is fixedly secured to the first rotatable fixture. The rough-cutting operations can be performed with one or more cutting tools. The method also includes the step of finishing the plurality of surfaces while the brake rotor is fixedly secured to the first rotatable fixture. The brake rotor can be completely processed, with respect to cutting operations at least, at a single workstation while supported by a single rotatable fixture.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: February 3, 2009
    Assignee: Delphi Technologies, Inc.
    Inventors: Michael F. Potter, Gary D. Bruff, Chiung A. Lee, Youji Ma, Randy Wolin
  • Precision turning process for hatted brake rotor
    Publication number: 20050086808
    Abstract: The invention provides a method including the steps of fixedly securing a brake rotor with a first rotatable fixture. The brake rotor includes a hat and a pair of plates, an inboard plate and an outboard plate. The method also includes the step of rough-cutting a plurality of surfaces of the brake rotor while the brake rotor is fixedly secured to the first rotatable fixture. The rough-cutting operations can be performed with one or more cutting tools. The method also includes the step of finishing the plurality of surfaces while the brake rotor is fixedly secured to the first rotatable fixture. The brake rotor can be completely processed, with respect to cutting operations at least, at a single workstation while supported by a single rotatable fixture.
    Type: Application
    Filed: October 22, 2004
    Publication date: April 28, 2005
    Inventors: Michael Potter, Gary Bruff, Chiung Lee, Youji Ma, Randy Wolin