Title:
フィルタ及びフィルタ用リーフディスク
Document Type and Number:
Japanese Patent JP7384693
Kind Code:
B2
Abstract:
To increase a flow rate of a fluid substance passing through a porous plate, and shorten time for filtering the fluid substance.SOLUTION: A leaf disk 1 includes a pair of porous plates 9 having a plurality of hole parts 90, and a pair of non-woven fabrics 6 arranged on outer surface sides of each of the porous plates 9. Diameters of each of the hole parts 90 that are aligned side by side in a radial direction 9b of the porous plates 9 are configured so as to be sequentially larger from outside 90b to inside 90a of centers 9a of the porous plates 9, diameters of each of the hole parts 90 that are aligned side by side in a circumferential direction 9c of the porous plates 9 are configured so as to have the same size, and clearances 90c of each of the hole parts 90 that are aligned in a circumferential direction 9c of the porous plates 9 are configured so as to be sequentially smaller from the outside 90b to the inside 90a of the centers 9a of the porous plates 9.SELECTED DRAWING: Figure 3
Inventors:
Takeshi Watanabe
Application Number:
JP2020024245A
Publication Date:
November 21, 2023
Filing Date:
February 17, 2020
Export Citation:
Assignee:
Takeshi Watanabe
International Classes:
B01D29/39
Domestic Patent References:
| JP2004167364A | ||||
| JP8033805A | ||||
| JP2014140793A | ||||
| JP2008200607A | ||||
| JP2090908A |
Foreign References:
| CN111151054A |
Attorney, Agent or Firm:
Patent Attorney Corporation Minori Patent Office