Diffusor pump having diffusor blades

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United States of America Patent

PATENT NO 5383764
SERIAL NO

08029735

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a novel diffusor for a diffusor pump. The diffusor comprises a body having a side portion and a plurality of blades placed on the side portion of the body so as to be along a flow direction of a liquid, each of the plural blades including at least one aperture so as to divided into a plurality of parts. The body has a cylindrical shape. The blade is divided into first and second parts by a single aperture. The first part of the blade has a solidity in the range from 0.75 to 1.25 when the treating liquid flows from the first part to the second part.

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Patent Owner(s)

Patent OwnerAddress
NIKKISO CO LTD20-3 EBISU 4-CHOME SHIBUYA-KU TOKYO 1506022 ?1506022

International Classification(s)

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  • 1993 Application Filing Year
  • F04D Class
  • 120 Applications Filed
  • 67 Patents Issued To-Date
  • 55.84 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances1993199419951996199719980255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakagawa, Yuzo Tokyo, JP 23 322
Ogawa, Motoyasu Tokyo, JP 9 33

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Patent Citation Ranking

  • 3 Citation Count
  • F04D Class
  • 3.92 % this patent is cited more than
  • 30 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges23314201 - 1011 - 2021 - 30024681012141618202224262830323436

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