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    • 9. 发明申请
    • CONTROL DEVICE OF AN INTERNAL COMBUSTION ENGINE
    • 内燃机的控制装置
    • US20100037595A1
    • 2010-02-18
    • US12532846
    • 2008-03-14
    • Naoya KanekoShigeki MiyashitaKenji Harima
    • Naoya KanekoShigeki MiyashitaKenji Harima
    • F02D43/00F01N3/10F01N3/00
    • F02D41/028F01N3/0878F01N3/0885F01N13/009F01N13/011F01N13/107F01N2430/02F01N2430/06F02D13/0242F02D13/0284F02D41/0082F02D41/123F02D2041/0012Y02T10/18Y02T10/20
    • The control device of the internal combustion engine appropriately controls plural exhaust valves to effectively perform sulfur poisoning recovery in an exhaust gas purifying catalyst. The control device controls the internal combustion engine which performs lean burn. The exhaust system of the internal combustion engine includes: first exhaust valves and second exhaust valves provided in each of the plural cylinders; a first exhaust passage communicating with the first exhaust valves; a second exhaust passage communicating with the second exhaust valves; a first exhaust gas purifying catalyst provided at least one of the first exhaust passage and the second exhaust passage; and a second exhaust gas purifying catalyst provided on an exhaust passage downstream of a junction of the first exhaust passage and the second exhaust passage. The control means controls the exhaust valves such that an effect of rich combustion occurs more to the second exhaust gas purifying catalyst than to the first exhaust gas purifying catalyst, when performing rich combustion. By this, the consumption of the exhaust gas in the first exhaust gas purifying catalyst can be suppressed, and the temperature of the second exhaust gas purifying catalyst can be effectively risen. Therefore, the sulfur poisoning recovery and the like can be effectively performed.
    • 内燃机的控制装置适当地控制多个排气阀,以有效地进行排气净化催化剂中的硫中毒回收。 控制装置控制进行稀燃的内燃机。 内燃机的排气系统包括:设置在多个气缸中的第一排气阀和第二排气阀; 与所述第一排气阀连通的第一排气通路; 与第二排气阀连通的第二排气通道; 第一废气净化催化剂,其设置有第一排气通道和第二排气通道中的至少一个; 以及第二排气净化催化剂,其设置在第一排气通路和第二排气通路的接合处下游的排气通路上。 当进行丰富的燃烧时,控制装置控制排气门,使得与第一排气净化催化剂相比,富燃的作用比第二废气净化催化剂更多。 由此,能够抑制第一排气净化催化剂中的排气的消耗,能够有效地提高第二排气净化催化剂的温度。 因此,能够有效地进行硫中毒回收等。
    • 10. 发明授权
    • Control device of an internal combustion engine
    • 内燃机的控制装置
    • US08225594B2
    • 2012-07-24
    • US12532846
    • 2008-03-14
    • Naoya KanekoShigeki MiyashitaKenji Harima
    • Naoya KanekoShigeki MiyashitaKenji Harima
    • F01N3/00
    • F02D41/028F01N3/0878F01N3/0885F01N13/009F01N13/011F01N13/107F01N2430/02F01N2430/06F02D13/0242F02D13/0284F02D41/0082F02D41/123F02D2041/0012Y02T10/18Y02T10/20
    • The control device of the internal combustion engine appropriately controls plural exhaust valves to effectively perform sulfur poisoning recovery in an exhaust gas purifying catalyst. The control device controls the internal combustion engine which performs lean burn. The exhaust system of the internal combustion engine includes: first exhaust valves and second exhaust valves provided in each of the plural cylinders; a first exhaust passage communicating with the first exhaust valves; a second exhaust passage communicating with the second exhaust valves; a first exhaust gas purifying catalyst provided at least one of the first exhaust passage and the second exhaust passage; and a second exhaust gas purifying catalyst provided on an exhaust passage downstream of a junction of the first exhaust passage and the second exhaust passage. The control means controls the exhaust valves such that an effect of rich combustion occurs more to the second exhaust gas purifying catalyst than to the first exhaust gas purifying catalyst, when performing rich combustion. By this, the consumption of the exhaust gas in the first exhaust gas purifying catalyst can be suppressed, and the temperature of the second exhaust gas purifying catalyst can be effectively risen. Therefore, the sulfur poisoning recovery and the like can be effectively performed.
    • 内燃机的控制装置适当地控制多个排气阀,以有效地进行排气净化催化剂中的硫中毒回收。 控制装置控制进行稀燃的内燃机。 内燃机的排气系统包括:设置在多个气缸中的第一排气阀和第二排气阀; 与所述第一排气阀连通的第一排气通路; 与第二排气阀连通的第二排气通道; 第一废气净化催化剂,其设置有第一排气通道和第二排气通道中的至少一个; 以及第二排气净化催化剂,其设置在第一排气通路和第二排气通路的接合处下游的排气通路上。 当进行丰富的燃烧时,控制装置控制排气门,使得与第一排气净化催化剂相比,富燃的作用比第二废气净化催化剂更多。 由此,能够抑制第一排气净化催化剂中的排气的消耗,能够有效地提高第二排气净化催化剂的温度。 因此,能够有效地进行硫中毒回收等。