Patents by Inventor XUEQING ZHAO

XUEQING ZHAO 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).

  • DUAL FUEL IGNITION DEVICE AND WORK METHOD THEREOF AS WELL AS SAFETY TYPE DUAL FUEL CONTROL SYSTEM BASED THEREON AND CONTROL METHOD THEREOF
    Publication number: 20170051916
    Abstract: The present invention provides a dual fuel ignition device and a work method thereof, wherein the ignition device can output electric potential according to the opposite in-series connection of two thermocouples in a high-heating value gas igniting end and a low-heating value gas igniting end and the heating condition of the thermocouples, and can control the switching on or off of a control valve on a gas flow according to the effective heat electric potential generated by the thermocouples in the process of ignition, so as to avoid the danger condition that the main burner generates high fire caused by the misoperation of the gas appliance, therefore, the safe use can be guaranteed.
    Type: Application
    Filed: January 19, 2016
    Publication date: February 23, 2017
    Applicant: ZHEJIANG FUERJ ELECTRIC SCIENCE AND TECHNOLOGY CO. LTD
    Inventors: JIANFU LUO, XUEQING ZHAO