To improve and substitute an exhaust gas purifying system, having a catalyst and a bypass flow passage, for easy mounting and use.
An exhaust emission control device 2 includes a purification unit 12 having a casing 13 and a first exhaust gas flow passage 5 arranged in the casing 13. The first exhaust gas flow passage 5 has one or more exhaust gas purifying elements 9, 10. A second exhaust gas flow passage 6 is provided in a cavity 21 of the purification unit as a member integrated with the purification unit 12. A confluent part 7 is provided as a member integrated with the purification unit 12. The first and second exhaust gas flow passages 5, 6 are merged at the confluent part 7 so as to form a common exhaust gas outlet 26 of the exhaust emission control device 2. An exhaust gas purifying system comprises the exhaust emission control device 2 and a flow-passage switching device.
HANAMOTO KENICHI
HOLMSTROEM PER
DEC MARINE AB
| JP2002242659A | 2002-08-28 | |||
| JP2005023932A | 2005-01-27 | |||
| JPS50118322U | 1975-09-27 | |||
| JP2005207410A | 2005-08-04 | |||
| JPS63119818U | 1988-08-03 | |||
| JP2010071149A | 2010-04-02 |
| EP0953741A1 | 1999-11-03 |
Mitsuo Tanaka