MEMBRANE SEPARATION DEVICE

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United States of America Patent

SERIAL NO

13974567

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A membrane separation device comprises a membrane unit that includes membrane modules piled in a direction of a depth of a biological reactor, an air diffusing member arranged below the membrane unit to diffuse air for cleaning membranes of the membrane unit and an air bubble group splitting member arranged between the membrane unit and the air diffusing member to split an air bubble group supplied from the air diffusing member into air bubble groups. The air bubble group splitting member has a diameter larger than that of the air diffusing member and is a three-dimensional obstruction member arranged in parallel with an axis of the air diffusing member. The air bubble group splitting member has a vertical cross section of which a lower part is projected downward, and has a vertical cross section of which an upper part is triangular and a lower part is semicircular.

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Patent Owner(s)

Patent OwnerAddress
MEIDENSHA CORPORATION1-1 OSAKI 2-CHOME SHINAGAWA-KU TOKYO 141-6029

International Classification(s)

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  • 2013 Application Filing Year
  • C02F Class
  • 1232 Applications Filed
  • 1035 Patents Issued To-Date
  • 84.01 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
LI, Tairi Tokyo, JP 1 0
NOGUCHI, Hiroshi Tokyo, JP 107 1105

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  • 0 Citation Count
  • C02F Class
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  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges7440784277211101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7091 - 1000255075100125150175200225250275300325350375400425450

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