Patents by Inventor Zejun Jia

Zejun Jia 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).

  • Mixed energy heater with constant temperature control
    Patent number: 8437626
    Abstract: A type of mixed energy heater with constant temperature control, which belongs to the field of water heater technology. This water heater includes a gas heating portion, an electric heating portion, and a control circuit. The control circuit includes a power output controller. The electric heating portion is composed of water passage and electric heating device installed in the water passage. The water passages of the gas heating portion and the electric heating portion are connected together in series or in parallel, and the terminal of the passage is equipped with a temperature sensor. The output of the temperature sensor is connected to the signal input of the control circuit.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: May 7, 2013
    Assignee: A.O. Smith Corporation
    Inventors: Wei Ding, Bu Qiu, Ping Ju, Zejun Jia
  • MIXED ENERGY HEATER WITH CONSTANT TEMPERATURE CONTROL
    Publication number: 20100111508
    Abstract: A type of mixed energy heater with constant temperature control, which belongs to the field of water heater technology. This water heater includes a gas heating portion, an electric heating portion, and a control circuit. The control circuit includes a power output controller. The electric heating portion is composed of water passage and electric heating device installed in the water passage. The water passages of the gas heating portion and the electric heating portion are connected together in series or in parallel, and the terminal of the passage is equipped with a temperature sensor. The output of the temperature sensor is connected to the signal input of the control circuit.
    Type: Application
    Filed: October 6, 2009
    Publication date: May 6, 2010
    Applicant: A. O. SMITH CORPORATION
    Inventors: Wei Ding, Bu Qiu, Ping Ju, Zejun Jia