Title:
EXHAUST GAS PURIFICATION DEVICE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/032857
Kind Code:
A1
Abstract:
An exhaust gas purification device which enables making the catalyst structure lighter and which enables suppressing the occurrence of cracks even when the catalyst structure has a prismatic shape, and a manufacturing method thereof are provided. The exhaust gas purification device includes a catalyst structure 2 which can circulate exhaust gas, a metal catalyst 3 which is supported on the catalyst structure 2 and which can react with and purify an exhaust gas that is flowing through the catalyst structure 2,and a housing case 4 which houses the catalyst structure 2 and which can be attached to the exhaust gas flow path through which the exhaust gas flows, wherein the catalyst structure 2 comprises a laminate body E obtained by laminating multiple paper sheets folded into a corrugated shape is formed into a prismatic shape that follows the shape of the inner peripheral surface of the housing case 4, and, of the side surfaces of the prismatic shape, a notch A is formed at least in a laminate-direction side surface α, which is positioned in the direction of lamination G of the paper sheets E1, E2.
Inventors:
TOMIMATSU KEITA (JP)
IDA YUYA (JP)
AKIYAMA TATSUYA (JP)
SUZUKI RYO (JP)
IDA YUYA (JP)
AKIYAMA TATSUYA (JP)
SUZUKI RYO (JP)
Application Number:
PCT/JP2022/032251
Publication Date:
March 09, 2023
Filing Date:
August 26, 2022
Export Citation:
Assignee:
FCC KK (JP)
International Classes:
B01J35/04; B01D53/86; B01D53/88; B01J23/63; B01J37/02; B01J37/08
Foreign References:
| JPH04260446A | 1992-09-16 | |||
| JP2014020573A | 2014-02-03 | |||
| JPH11508816A | 1999-08-03 | |||
| JP2019026547A | 2019-02-21 | |||
| JP2013212446A | 2013-10-17 | |||
| JPH0263556A | 1990-03-02 |
Attorney, Agent or Firm:
KOSHIKAWA Takao (JP)
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