Title:
EXHAUST GAS PIPE, AND ENGINE
Document Type and Number:
WIPO Patent Application WO/2022/158136
Kind Code:
A1
Abstract:
An exhaust gas pipe comprising: a plurality of pipe bodies which are in the shape of a cylinder centered on an axis, which are arranged in the axis direction, and in which exhaust gas introduced from an engine body flows; connection parts each connecting a pair of adjacent ones of the pipe bodies; and gaskets provided between the pipe bodies and the connection parts, wherein flanges protruding circumferentially outward are provided at respective axis-direction ends of the pipe bodies, the connection parts each have a connection part body that is in the shape of a cylinder centered on the axis, and holding rings having counter surfaces opposing the flanges in a state where the gaskets are inserted in gaps between the holding rings and the flanges, and the exhaust gas pipe further comprises coupling members that are provided and spaced apart in the circumferential direction and that couple the flanges and the holding rings, and deformation prevention members provided in regions on the outer circumferential side of the gaps.
Inventors:
SUZUKI HAJIME (JP)
ESAKI MINORU (JP)
KADOWAKI TAKESHI (JP)
ESAKI MINORU (JP)
KADOWAKI TAKESHI (JP)
Application Number:
PCT/JP2021/044326
Publication Date:
July 28, 2022
Filing Date:
December 02, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F01N13/08; F16J15/08; F16L23/02; F16L23/24
Foreign References:
| JPH05502929A | 1993-05-20 | |||
| JPH0550280U | 1993-07-02 | |||
| JP2021009890A | 2021-01-28 | |||
| JP2003286842A | 2003-10-10 | |||
| JPS6151431U | 1986-04-07 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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