Patents by Inventor Fuyong Lin

Fuyong Lin 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).

  • Power factor correction power supply
    Patent number: 7532489
    Abstract: Provided herein is a power factor correction (PFC) power supply, comprising: a bridge rectifier having an input and an output, a filter capacitor connected to the output of the bridge rectifier, a transformer having a primary winding, a fly-back winding and a secondary winding, a forward diode, a fly-back diode, a storage capacitor circuit having a valley-fill circuit and a capacitor connected in parallel, and a switch connected between the primary winding and the output of the bridge rectifier. The PFC power supply features improved efficiency and low switching loss.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: May 12, 2009
    Inventors: Fuyong Lin, Fuxiang Lin
  • POWER FACTOR CORRECTION POWER SUPPLY
    Publication number: 20070263417
    Abstract: Provided herein is a power factor correction (PFC) power supply, comprising: a bridge rectifier having an input and an output, a filter capacitor connected to the output of the bridge rectifier, a transformer having a primary winding, a fly-back winding and a secondary winding, a forward diode, a fly-back diode, a storage capacitor circuit having a valley-fill circuit and a capacitor connected in parallel, and a switch connected between the primary winding and the output of the bridge rectifier. The PFC power supply features improved efficiency and low switching loss.
    Type: Application
    Filed: July 19, 2007
    Publication date: November 15, 2007
    Inventors: Fuyong LIN, Fuxiang LIN