US 12,297,763 B2
Engine device
Yoshiyuki Sandou, Osaka (JP); Hiroaki Naganawa, Osaka (JP); and Kazuma Sugimoto, Osaka (JP)
Assigned to Yanmar Power Technology Co., Ltd., Osaka (JP)
Filed by Yanmar Power Technology Co., Ltd., Osaka (JP)
Filed on Mar. 23, 2023, as Appl. No. 18/125,128.
Application 18/125,128 is a continuation of application No. 17/376,107, filed on Jul. 14, 2021, granted, now 11,643,960.
Application 17/376,107 is a continuation of application No. 16/901,122, filed on Jun. 15, 2020, granted, now 11,092,056.
Application 16/901,122 is a continuation of application No. 15/999,653, granted, now 10,690,034, previously published as PCT/JP2017/005597, filed on Feb. 15, 2017.
Claims priority of application No. 2016-030016 (JP), filed on Feb. 19, 2016; and application No. 2016-030017 (JP), filed on Feb. 19, 2016.
Prior Publication US 2023/0228208 A1, Jul. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F01N 3/28 (2006.01); F01N 3/021 (2006.01); F01N 3/023 (2006.01); F01N 3/035 (2006.01); F01N 3/20 (2006.01); F01N 13/00 (2010.01)
CPC F01N 3/2882 (2013.01) [F01N 3/021 (2013.01); F01N 3/023 (2013.01); F01N 3/035 (2013.01); F01N 3/2066 (2013.01); F01N 3/2892 (2013.01); F01N 13/009 (2014.06); F01N 2240/20 (2013.01); F01N 2470/02 (2013.01); F01N 2590/08 (2013.01); F01N 2610/02 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An engine device comprising:
an exhaust gas purification device including:
a first case configured to remove a carbon compound from an exhaust gas; and
a second case configured to remove a nitrogen compound from the exhaust gas, wherein the first case and the second case are connected via a tube, and at least a portion of the tube overlaps with either the first case or the second case in a plan view, and a urea-water injection body for injecting urea water into the tube is placed above the first case.