Patents by Inventor Baiyan Cai

Baiyan Cai 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).

  • Patent number: 11254621
    Abstract: The present invention provides a vertical gas distribution device for aerobic compost and a gas distribution method. Current gas distribution pipelines are easily blocked by organic materials, resulting in poor ventilation due to non-uniform local ventilation and cleaning difficulties. The inventive device comprises a compost chamber, a compost bin, a compost heap, a percolate tank, and a plurality of gas distribution branch pipes at the bottom of the compost chamber, the pipes being vertically movable in the chamber; the percolate tank is positioned at the bottom of the chamber and under the pipes; an air inlet is provided on the side wall of the tank, and an outlet is provided on the side wall of the chamber; the compost bin is inside the compost chamber, and the compost heap is in the compost bin; each pipe is top sealed, with a plurality of vent holes on the side wall, and its bottom connected to the tank. The present invention is usable for compost ventilation.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: February 22, 2022
    Assignee: Northeast Agricultural University
    Inventors: Zimin Wei, Beidou Xi, Baiyan Cai, Xu Zhang, Dan Wei, Liming Jia, Xinyu Zhao, Mingxiao Li, Tianxue Yang, Yue Zhao
  • Publication number: 20190023625
    Abstract: The present invention provides a vertical gas distribution device for aerobic compost and a gas distribution method. Current gas distribution pipelines are easily blocked by organic materials, resulting in poor ventilation due to non-uniform local ventilation and cleaning difficulties. The inventive device comprises a compost chamber, a compost bin, a compost heap, a percolate tank, and a plurality of gas distribution branch pipes at the bottom of the compost chamber, the pipes being vertically movable in the chamber; the percolate tank is positioned at the bottom of the chamber and under the pipes; an air inlet is provided on the side wall of the tank, and an outlet is provided on the side wall of the chamber; the compost bin is inside the compost chamber, and the compost heap is in the compost bin; each pipe is top sealed, with a plurality of vent holes on the side wall, and its bottom connected to the tank. The present invention is usable for compost ventilation.
    Type: Application
    Filed: June 6, 2018
    Publication date: January 24, 2019
    Inventors: Zimin Wei, Beidou Xi, Baiyan Cai, Xu Zhang, Dan Wei, Liming Jia, Xinyu Zhao, Mingxiao Li, Tianxue Yang, Yue Zhao