Patents by Inventor Xueguang Bi

Xueguang Bi 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).

  • Patent number: 8264309
    Abstract: A magnetic target is provided for use with a magnetic proximity switch. The magnetic target includes a cylindrical body tube having an open end that partially defines a bore. A stationary magnet is located within the bore opposite the open end, and a movable magnet is disposed within the bore between the stationary magnet and the open end. An adjusting member is received into the bore, and a contact surface of the adjusting member engages the movable magnet. When the adjusting member is axially displaced, the contact surface causes a corresponding displacement of the movable magnet relative to the stationary magnet, eventually causing the magnetic flux field of each magnet to expand in a radial direction away from the longitudinal axis of each magnet. The stationary magnet and the movable magnet may be either axially-magnetized samarium-cobalt magnets or axially-magnetized neodymium magnets.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: September 11, 2012
    Assignee: General Equipment and Manufacturing Company, Inc.
    Inventors: Robert L. LaFountain, Xueguang Bi, Michael Simmons
  • Publication number: 20110050373
    Abstract: A magnetic target is provided for use with a magnetic proximity switch. The magnetic target includes a cylindrical body tube having an open end that partially defines a bore. A stationary magnet is located within the bore opposite the open end, and a movable magnet is disposed within the bore between the stationary magnet and the open end. An adjusting member is received into the bore, and a contact surface of the adjusting member engages the movable magnet. When the adjusting member is axially displaced, the contact surface causes a corresponding displacement of the movable magnet relative to the stationary magnet, eventually causing the magnetic flux field of each magnet to expand in a radial direction away from the longitudinal axis of each magnet. The stationary magnet and the movable magnet may be either axially-magnetized samarium-cobalt magnets or axially-magnetized neodymium magnets.
    Type: Application
    Filed: September 2, 2009
    Publication date: March 3, 2011
    Applicant: General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    Inventors: Robert L. LaFountain, Xueguang Bi