Patents by Inventor Xuewei Wan

Xuewei Wan 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).

  • UPS system and method of supplying power to non-linear load
    Patent number: 9203266
    Abstract: An UPS system and a method of supplying power to a non-linear load are provided. The UPS system may include a bypass module configured to supply a fundamental wave current to a non-linear load of the UPS system; and a power module configured to supply a harmonic current to the non-linear load when the bypass module operates normally.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: December 1, 2015
    Assignee: Liebert Corporation
    Inventor: Xuewei Wan
  • UPS SYSTEM AND METHOD OF SUPPLYING POWER TO NON-LINEAR LOAD
    Publication number: 20130002025
    Abstract: An UPS system and a method of supplying power to a non-linear load are provided. The UPS system may include a bypass module configured to supply a fundamental wave current to a non-linear load of the UPS system; and a power module configured to supply a harmonic current to the non-linear load when the bypass module operates normally.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: LIEBERT CORPORATION
    Inventor: Xuewei Wan