Yanmar Holdings Co., Ltd.

Yohei Kamata

Tsuyoshi Inoue

Keita Fujisaki

Kohei Iwamoto

Yusuke Oda

Daisuke Morimitsu

Koki Shimizu

Takaki Sakamoto

Shigeru Aoki

An exhaust purification apparatus capable of improving stirring property of urea water and properly cooling an injection device is provided. The exhaust purification apparatus that purifies nitrogen oxides in exhaust gas includes an exhaust pipe that causes exhaust gas discharged from an engine to flow, a catalyst reactor (catalyst) provided in the exhaust pipe to reduce the nitrogen oxides in the exhaust gas, a through pipe provided in such a way as to penetrate the exhaust pipe, and an injection device provided inside the through pipe to inject a reducing agent for reducing exhaust gas into the exhaust pipe.

Exhaust purification apparatus

To provide a reducer supply device that can be made compact and has excellent maintainability. The reducer supply device includes a nozzle unit that adjusts a flow rate of a reducer which is to be supplied to a NOx purification catalyst device; and a pump unit that supplies the reducer to the nozzle unit. The nozzle unit and the pump unit are arranged at positions offset from each other in top view.

Reducer supply device

Growing community of inventors

Osaka, Japan

Yohei Kamata