US 12,404,798 B2
Diesel engine
Yoshihiro Nuta, Osaka (JP)
Assigned to YANMAR HOLDINGS CO., LTD., Osaka (JP)
Filed by YANMAR HOLDINGS CO., LTD., Osaka (JP)
Filed on May 13, 2024, as Appl. No. 18/662,226.
Application 18/662,226 is a continuation of application No. 18/248,116, granted, now 12,018,603, previously published as PCT/JP2021/039634, filed on Oct. 27, 2021.
Claims priority of application No. 2020-192649 (JP), filed on Nov. 19, 2020.
Prior Publication US 2024/0301812 A1, Sep. 12, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F01N 13/18 (2010.01); B01D 53/94 (2006.01); F01N 3/033 (2006.01); F01N 3/20 (2006.01); F01N 13/00 (2010.01)
CPC F01N 13/1805 (2013.01) [B01D 53/9418 (2013.01); B01D 53/9477 (2013.01); F01N 3/033 (2013.01); F01N 3/2066 (2013.01); F01N 13/009 (2014.06); B01D 2257/404 (2013.01); B01D 2258/012 (2013.01); F01N 2610/02 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A diesel engine equipped with an exhaust after-treatment device to purify exhaust gas, wherein
the exhaust after-treatment device has a first case and a second case for treating the exhaust gas,
the first case is located extending in an engine front-rear direction parallel to a crankshaft,
the second case is located extending in an engine width direction orthogonal to both the engine front-rear direction and an up-down direction, on one side of the engine front-rear direction with respect to the first case, and
the first case and the second case are attached to a cylinder head of the diesel engine, and
the first case has an exhaust outlet at an end on a far side from the second case in the engine front-rear direction to discharge the exhaust gas after a particulate matter is collected, and
a second case pipe connects the exhaust outlet of the first case and an exhaust inlet of the second case.