Patents by Inventor John Elsing

John Elsing 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).

  • TWO-PLANE BALANCE FOR SPINDLE MOTORS
    Publication number: 20080100958
    Abstract: In a spindle hub configured for rotation about an axis, through holes extend from a first end of the spindle hub to a second end of the spindle hub. The through holes are generally parallel to the axis. A method of achieving two-plane balance of a disc pack assembly by positioning one or more weights in one or more of the through holes and retaining the weight in the position, such that it is possible to access each weight from the top of the spindle hub.
    Type: Application
    Filed: January 7, 2008
    Publication date: May 1, 2008
    Applicant: Seagate Technology LLC
    Inventor: John Elsing
  • Two-plane balance for spindle motors
    Publication number: 20050078409
    Abstract: In a spindle hub configured for rotation about an axis, through holes extend from a first end of the spindle hub to a second end of the spindle hub. The through holes are generally parallel to the axis. A method of achieving two-plane balance of a disc pack assembly by positioning one or more weights in one or more of the through holes and retaining the weight in the position, such that it is possible to access each weight from the top of the spindle hub.
    Type: Application
    Filed: August 16, 2003
    Publication date: April 14, 2005
    Inventor: John Elsing
  • Hydrodynamic spindle motor with an internally disposed heating element
    Patent number: 6741420
    Abstract: A hydrodynamic spindle motor including an internally disposed heating element in a stationary spindle portion having a spindle hub rotatably coupled thereto. The hydrodynamic spindle motor has particular application for supporting discs for co-rotation for a disc drive. The heating element is activated to control viscosity of a hydrodynamic fluid of a hydrodynamic bearing rotationally supporting the spindle hub relative to the stationary spindle. Operation of the heating element reduces viscosity of the hydrodynamic fluid to reduce motor power requirements and improve “up-to-speed” time.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: May 25, 2004
    Assignee: Seagate Technology LLC
    Inventors: David J. Jennings, John Elsing
  • Hydrodynamic spindle motor with an internally disposed heating element
    Publication number: 20020051312
    Abstract: A hydrodynamic spindle motor including an internally disposed heating element in a stationary spindle portion having a spindle hub rotatably coupled thereto. The hydrodynamic spindle motor has particular application for supporting discs for co-rotation for a disc drive. The heating element is activated to control viscosity of a hydrodynamic fluid of a hydrodynamic bearing rotationally supporting the spindle hub relative to the stationary spindle. Operation of the heating element reduces viscosity of the hydrodynamic fluid to reduce motor power requirements and improve “up-to-speed” time.
    Type: Application
    Filed: June 28, 2001
    Publication date: May 2, 2002
    Inventors: David J. Jennings, John Elsing