Rossi, Kimms & McDowell LLP
Exhaust purification apparatus for engine
An exhaust purification apparatus comprises an ammonia selective reduction-type NOx catalyst that selectively reduces NOx within exhaust gas by using ammonia as a reducing agent, a urea-water supply device that supplies urea-water into the exhaust gas existing upstream of the ammonia selective reduction-type NOx catalyst, and a control unit. The control unit controls the urea-water supply device so that the urea-water is intermittently supplied according to predetermined supply duration time and predetermined supply suspension time when the urea-water is supplied from the urea-water supply device for the purpose of providing ammonia to the ammonia selective reduction-type NOx catalyst.
Mitsubishi Fuso Truck and Bus Corporation
F F Y F Y F F F
F01N F01N Y02T F01N Y02T F01N F01N F02B
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Satoshi Yoshinaka Satoshi Minehiro Shinichi Yasuko Hiroaki
Hiranuma Takeda Yamazaki Murata Saito Suzuki Fujita