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    • 3. 发明公开
    • LEAK DIAGNOSIS DEVICE FOR EVAPORATED FUEL PROCESSING SYSTEM
    • LECKDIAGNOSEVORRICHTUNGFÜR系统ZUR VERARBEITUNG VON VERDAMPFTEN KRAFTSTOFFEN
    • EP2902610A1
    • 2015-08-05
    • EP13841186.3
    • 2013-09-25
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • YAMAMOTO, SatoshiAKAGI, MasakiASO, Shuichi
    • F02M25/08F02D45/00
    • F02M65/006F02D41/0045F02D41/1459F02D2041/228F02M25/0809F02M37/0082G01M3/02
    • It is a task of the invention to provide a leak diagnosis device for an evaporated fuel processing system, which is able to carry out a leak diagnosis irrespective of a temperature inside a fuel tank. A leak diagnosis device that is used in an evaporated fuel processing system including a canister (41) and a purge line (43). The canister (41) is provided inside a fuel tank (31), and adsorbs evaporated fuel that is produced inside the fuel tank (31). The purge line (43) introduces purge gas, including evaporated fuel, from the canister (41) into an intake pipe (23) of an engine (2). An alarm lamp (51) indicating an abnormality is lit on the condition that the width of decrease in the concentration of HC in the purge line (43) in a predetermined period is smaller than a predetermined threshold.
    • 本发明的任务是提供一种用于蒸发燃料处理系统的泄漏诊断装置,其能够执行泄漏诊断,而与燃料箱内的温度无关。 一种用于包括罐(41)和净化管线(43)的蒸发燃料处理系统中的泄漏诊断装置。 罐(41)设置在燃料箱(31)的内部,吸附在燃料箱(31)内产生的蒸发燃料。 吹扫管线(43)将包括蒸发燃料的净化气体从罐(41)引入发动机(2)的进气管道(23)。 在预定时间段内净化线(43)中的HC浓度的下降幅度小于预定阈值的情况下,指示异常的报警灯(51)点亮。
    • 7. 发明公开
    • Fuel injection
    • Kraftstoffeinspritzung
    • EP1798406A2
    • 2007-06-20
    • EP06125977.6
    • 2006-12-12
    • Nissan Motor Company Limited
    • OHGA, Kiyoshi, Nissan Technical Centre
    • F02D41/40F02D41/14
    • F02D41/402F02D41/1446F02D41/1459F02D41/146F02D41/1467F02D41/403F02D41/405Y02T10/44
    • An engine fuel injection control apparatus has a parameter setting section, a parameter changing section and a determining section. The parameter setting section is configured to set a parameter of fuel injected into an engine to a first injection parameter to control a state of combustion noise or exhaust emission to a target state when an engine operation condition is in a first operation region. The parameter changing section is configured to change the parameter of fuel injected into the engine from the first injection parameter to a second injection parameter while the engine operation condition remains in the first operation region. The determining section is configured to determine whether or not an actual state of the combustion noise or the exhaust emission of the engine changes when the parameter of fuel injected into the engine is changed from the first injection parameter to the second injection parameter.
    • 发动机燃料喷射控制装置具有参数设定部,参数变更部以及判定部。 参数设定部被配置为当发动机运转状态处于第一运转区域时,将喷射到发动机的燃料的参数设定为第一喷射参数,以将燃烧噪声或废气排放的状态控制在目标状态。 所述参数变更部构成为,在所述发动机运转状态保持在所述第一运转区域的状态下,将从所述第一喷射参数向所述发动机喷射的燃料的参数改变为第二喷射参数。 确定部分被配置为当喷射到发动机中的燃料的参数从第一喷射参数改变到第二喷射参数时,确定燃烧噪声的实际状态或发动机的排气发射是否改变。