Patents by Inventor Po-Jeng TSAI

Po-Jeng TSAI 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).

  • Centrifugal fan
    Patent number: 9322408
    Abstract: A centrifugal fan includes a shell, an impeller, a tongue portion, and a protrusion. The shell includes a top plate, a bottom plate, and a sidewall connecting to the top plate and the bottom plate. The top plate, the bottom plate, and the sidewall define an air outlet. The impeller is disposed in the shell. The tongue portion is disposed in the shell and neighboring the air outlet. The protrusion is disposed on an inner wall of the shell and is physically connected to the top plate and the bottom plate.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: April 26, 2016
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Po-Jeng Tsai, Te-Fu Chen
  • CENTRIFUGAL FAN
    Publication number: 20140314558
    Abstract: A centrifugal fan includes a shell, an impeller, a tongue portion, and a protrusion. The shell includes a top plate, a bottom plate, and a sidewall connecting to the top plate and the bottom plate. The top plate, the bottom plate, and the sidewall define an air outlet. The impeller is disposed in the shell. The tongue portion is disposed in the shell and neighboring the air outlet. The protrusion is disposed on an inner wall of the shell and is physically connected to the top plate and the bottom plate.
    Type: Application
    Filed: August 6, 2013
    Publication date: October 23, 2014
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Po-Jeng TSAI, Te-Fu CHEN