公开(公告)号：US20230184148A1

公开(公告)日：2023-06-15

申请号：US17975942

申请日：2022-10-28

Applicant: Kubota Corporation

Inventor： Masaru Shinya ,  Tatsuya Nishimura

IPC: F01N1/08

CPC classification number: F01N1/084

Abstract: A work vehicle includes: a first exhaust pipe to which engine exhaust is sent; and a second exhaust pipe that has an inlet having an outer diameter larger than an outlet of the first exhaust pipe, the outlet of the first exhaust pipe and the inlet of the second exhaust pipe being disposed in proximity such that the outlet of the first exhaust pipe is positioned inside the inlet of the second exhaust pipe; a partition that divides a cross section of the outlet of the first exhaust pipe into a plurality of divided regions when viewed from the flow direction and partitions the adjacent divided regions at intervals.

公开(公告)号：US11946402B2

公开(公告)日：2024-04-02

申请号：US17975942

申请日：2022-10-28

Applicant: Kubota Corporation

Inventor： Masaru Shinya ,  Tatsuya Nishimura

IPC: F01N13/08 ,  F01N1/08

CPC classification number: F01N13/082 ,  F01N1/084 ,  F01N2470/24

Abstract: A work vehicle includes: a first exhaust pipe to which engine exhaust is sent; and a second exhaust pipe that has an inlet having an outer diameter larger than an outlet of the first exhaust pipe, the outlet of the first exhaust pipe and the inlet of the second exhaust pipe being disposed in proximity such that the outlet of the first exhaust pipe is positioned inside the inlet of the second exhaust pipe; a partition that divides a cross section of the outlet of the first exhaust pipe into a plurality of divided regions when viewed from the flow direction and partitions the adjacent divided regions at intervals.