US 12,065,961 B2
V-type engine and work machine
Atsuki Sugihara, Saitama (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Appl. No. 18/549,529
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
PCT Filed Mar. 10, 2021, PCT No. PCT/JP2021/009505
§ 371(c)(1), (2) Date Sep. 7, 2023,
PCT Pub. No. WO2022/190252, PCT Pub. Date Sep. 15, 2022.
Prior Publication US 2024/0141828 A1, May 2, 2024
Int. Cl. F02B 75/22 (2006.01); F01N 13/10 (2010.01); F01N 3/28 (2006.01); F02B 75/18 (2006.01)
CPC F02B 75/22 (2013.01) [F01N 13/10 (2013.01); F01N 3/28 (2013.01); F02B 2075/1808 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A V-type engine, comprising: an engine body including a crankcase configured to rotatably support a crankshaft, and a first and second cylinder banks extending from the crankcase; an exhaust collecting pipe connected to the first and second cylinder banks; a catalyst accommodated in the exhaust collecting pipe; a muffler detachably connected to the exhaust collecting pipe, wherein when viewed in an axial direction of the crankshaft, the catalyst is arranged within an area between axial lines of the first and second cylinder banks an air cleaner connected to the first and second cylinder banks, wherein when viewed in a width direction of the engine body, the muffler is arranged on an opposite side of the air cleaner with the first and second cylinder banks in between, and wherein the muffler includes a muffler body having a muffling chamber, and the muffler body extends in a width direction of the engine body from a distal end side of the first cylinder bank to a distal end side of the second cylinder bank.