Title:
EXHAUST PIPE AND AUTOMOBILE MUFFLER
Document Type and Number:
WIPO Patent Application WO/2022/113689
Kind Code:
A1
Abstract:
An exhaust pipe (100) or an automobile muffler (1) has recessed parts (121) formed in a recessed shape on an outer circumferential surface of an outlet end part (110) through which exhaust gas is discharged.
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Inventors:
NAKASUJI TADASHI (JP)
SHIMIZU MASAMICHI (JP)
SAITOU NOBUHIRO (JP)
SHIMIZU MASAMICHI (JP)
SAITOU NOBUHIRO (JP)
Application Number:
PCT/JP2021/040654
Publication Date:
June 02, 2022
Filing Date:
November 04, 2021
Export Citation:
Assignee:
MARELLI CORP (JP)
International Classes:
F01N1/08; F01N13/20
Foreign References:
| CN110657028A | 2020-01-07 | |||
| JPH06159789A | 1994-06-07 | |||
| JPS62275896A | 1987-11-30 | |||
| US20120145268A1 | 2012-06-14 | |||
| US5058703A | 1991-10-22 | |||
| JP2009536282A | 2009-10-08 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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