Patents by Inventor Cheng Qiang Ren

Cheng Qiang Ren 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).

  • Fan apparency arrangement for an appliance
    Patent number: 8158912
    Abstract: A fan apparency arrangement for an appliance is disclosed. The fan apparency arrangement includes a chamber having a port; a fan in the chamber for moving air out of the chamber, the fan having a discharge end, and an intake end having an intake tube; and a sail switch disposed in the intake tube. When activated, the fan moves air out of the chamber through the port and creates a pressure difference between opposite ends of the intake tube, the pressure difference causing the sail switch to change position and signal that the fan is activated. An appliance incorporating such a fan apparency arrangement is also disclosed.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: April 17, 2012
    Assignee: General Electric Company
    Inventors: James Armstrong, Steve B. Froelicher, Cheng Qiang Ren, Christopher Mast
  • FAN APPARENCY ARRANGEMENT FOR AN APPLIANCE
    Publication number: 20100031949
    Abstract: A fan apparency arrangement for an appliance is disclosed. The fan apparency arrangement includes a chamber having a port; a fan in the chamber for moving air out of the chamber, the fan having a discharge end, and an intake end having an intake tube; and a sail switch disposed in the intake tube. When activated, the fan moves air out of the chamber through the port and creates a pressure difference between opposite ends of the intake tube, the pressure difference causing the sail switch to change position and signal that the fan is activated. An appliance incorporating such a fan apparency arrangement is also disclosed.
    Type: Application
    Filed: August 8, 2008
    Publication date: February 11, 2010
    Inventors: James Armstrong, Steve B. Froelicher, Cheng Qiang Ren, Christopher Mast