Patents by Inventor Dingyao Lu

Dingyao Lu 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).

  • Steam cooker and backflow prevention device thereof
    Patent number: 10385550
    Abstract: The present disclosure provides a backflow prevention device includes an upper chassis, a lower chassis, a seal member, and a resilient member. The upper chassis defines a receiving space passing through a bottom of the upper chassis. The lower chassis defines an air flow channel. A part of the lower chassis is accommodated in the receiving space of the upper chassis, and fixedly connected to an inner wall of the upper chassis. The upper chassis and the lower chassis are mounted to a pot. The seal member is received in the receiving space. The resilient member is resiliently mounted between the seal member and the upper chassis. The resilient power of the resilient member pushes the seal member to resist against and seal the air flow channel.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 20, 2019
    Assignee: NINGBO LVZHIPIN ELECTRICAL APPLIANCE SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Dingyao Lu, Shuqing Xu, Chao Yuan
  • STEAM COOKER AND BACKFLOW PREVENTION DEVICE THEREOF
    Publication number: 20190194914
    Abstract: The present disclosure provides a backflow prevention device includes an upper chassis, a lower chassis, a seal member, and a resilient member. The upper chassis defines a receiving space passing through a bottom of the upper chassis. The lower chassis defines an air flow channel. A part of the lower chassis is accommodated in the receiving space of the upper chassis, and fixedly connected to an inner wall of the upper chassis. The upper chassis and the lower chassis are mounted to a pot. The seal member is received in the receiving space. The resilient member is resiliently mounted between the seal member and the upper chassis. The resilient power of the resilient member pushes the seal member to resist against and seal the air flow channel.
    Type: Application
    Filed: April 25, 2018
    Publication date: June 27, 2019
    Inventors: Dingyao Lu, Shuqing Xu, Chao Yuan