Patents by Inventor LIANG HUI ZHENG

LIANG HUI ZHENG 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).

  • MICROWAVE OVEN WITH A TRAY MOVING IN AN ORBITAL PATTERN
    Publication number: 20090114642
    Abstract: A microwave oven includes a heating cavity, a tray for supporting foodstuff to be heated inside the cavity, a driver including a motor and a shaft protruding into the cavity for moving the tray along a predetermined pattern, and a supporting frame with rollers interposed between the bottom of the heating cavity and the tray. The supporting frame comprises a first group of rollers adapted to be guided on the bottom of the heating cavity along a first direction, and a second group of rollers adapted to be guided on a lower surface of the tray along a second direction substantially perpendicular to the first direction, so that the overall movement of the tray is an orbital movement.
    Type: Application
    Filed: November 5, 2008
    Publication date: May 7, 2009
    Applicant: WHIRLPOOL CORPORATION
    Inventors: WAI HANG LOUIE, LIANG HUI ZHENG, ULF ERIK NORDH, HAKAN CARLSSON