US 12,286,913 B2
Work machine including exhaust treatment devices
Kou Uchiyama, Tokyo (JP); Yoshiaki Shimada, Tokyo (JP); and Wataru Nishiyama, Tokyo (JP)
Assigned to KOMATSU LTD., Tokyo (JP)
Appl. No. 18/021,910
Filed by KOMATSU LTD., Tokyo (JP)
PCT Filed Aug. 5, 2021, PCT No. PCT/JP2021/029113
§ 371(c)(1), (2) Date Sep. 1, 2023,
PCT Pub. No. WO2022/049992, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 2020-149376 (JP), filed on Sep. 4, 2020.
Prior Publication US 2024/0200485 A1, Jun. 20, 2024
Int. Cl. F01N 13/18 (2010.01); B60K 13/04 (2006.01); E02F 9/08 (2006.01); F01N 13/00 (2010.01)
CPC F01N 13/1805 (2013.01) [B60K 13/04 (2013.01); E02F 9/0866 (2013.01); F01N 13/009 (2014.06); F01N 2590/08 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A work machine comprising:
an engine;
a first exhaust treatment device that treats exhaust emitted from the engine; and
a second exhaust treatment device that treats exhaust that has passed through the first exhaust treatment device, wherein in a plan view, the first exhaust treatment device intersects with the second exhaust treatment device, and
the first exhaust treatment device is arranged above the second exhaust treatment device.