Title:
MUFFLER AND HONEYCOMB STRUCTURE FOR MUFFLER
Document Type and Number:
WIPO Patent Application WO/2021/079556
Kind Code:
A1
Abstract:
Provided is a muffler comprising a honeycomb structure 1 inside a metal can. The honeycomb structure 1 comprises a honeycomb structure section 6 and mesh sealing parts 7. The honeycomb structure section 6 has an outer circumferential wall 2, and porous partitioning walls 5 that are provided inside the outer circumferential wall 2 and that demarcate and form a plurality of cells 4 which serve as fluid channels extending from a first end face 3a to a second end face 3b. The mesh sealing parts 7 are provided at the first end surface 3a and/or the second end surface 3b of the plurality of cells 4, and the effective lengths of the plurality of cells 4 are uneven in the flow channel direction.
Inventors:
MIYAIRI YUKIO (JP)
FURUTA YASUYUKI (JP)
MASUDA MASAAKI (JP)
FURUTA YASUYUKI (JP)
MASUDA MASAAKI (JP)
Application Number:
PCT/JP2020/023802
Publication Date:
April 29, 2021
Filing Date:
June 17, 2020
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
F01N1/00; B01D53/94; F01N1/04; F01N3/022; F01N3/035; F01N3/24
Foreign References:
| JPH08281034A | 1996-10-29 | |||
| JP2003269132A | 2003-09-25 | |||
| JP2002256845A | 2002-09-11 | |||
| JP2004154768A | 2004-06-03 | |||
| JP2013163155A | 2013-08-22 | |||
| JP2019163760A | 2019-09-26 | |||
| JP2004162702A | 2004-06-10 | |||
| JP2017125480A | 2017-07-20 | |||
| JP2003254035A | 2003-09-10 | |||
| CN204512003U | 2015-07-29 | |||
| JP2010284599A | 2010-12-24 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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