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    ADDITIVE SUPPLY DEVICE AND ADDITIVE SUPPLY METHOD FOR ENGINE
    1.
    发明授权
    ADDITIVE SUPPLY DEVICE AND ADDITIVE SUPPLY METHOD FOR ENGINE 有权
    发动机的添加剂供应装置和添加剂供应方法

    公开(公告)号：EP3055525B1

    公开(公告)日：2017-11-29

    申请号：EP14793301.4

    申请日：2014-10-01

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA ,  Kabushiki Kaisha Toyota Jidoshokki

    发明人： TSUCHIYA, Tomihisa ,  HOSHI, Sakutaro

    IPC分类号： F01N3/20

    CPC分类号： F01N3/2066 ,  F01N2610/02 ,  F01N2610/10 ,  F01N2900/1811 ,  Y02A50/2325 ,  Y02T10/24

    摘要： An additive supply device for an engine, the additive supply device includes an additive supply system, a heater, an intake air temperature sensor and a heating control unit. The additive supply system is positioned outside of an engine compartment, and the additive supply system includes a tank, a pump, a supply passage. The heater heats the additive inside the additive supply system. The heating control unit is configured to (i) actuate the heater when a detected intake air temperature is low, and stop the actuation of the heater when the detected intake air temperature rises, and (ii) continue the actuation of the heater when a condition under which the detected intake air temperature and the temperature of the additive inside the additive supply system have deviated from each other is fulfilled during the actuation of the heater.

    ADDITIVE SUPPLY DEVICE
    2.
    发明公开
    ADDITIVE SUPPLY DEVICE 审中-公开
    添加剂供应装置

    公开(公告)号：EP3098408A1

    公开(公告)日：2016-11-30

    申请号：EP16170875.5

    申请日：2016-05-23

    申请人： Toyota Jidosha Kabushiki Kaisha ,  KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

    发明人： TSUCHIYA, Tomihisa ,  HOSHI, Sakutaro ,  MAEDA, Shoichi ,  HATTA, Masanori

    IPC分类号： F01N3/20

    CPC分类号： F01N3/2066 ,  F01N3/208 ,  F01N2260/10 ,  F01N2610/02 ,  F01N2610/14 ,  F01N2610/1453 ,  Y02T10/24

    摘要： An additive supply device includes: an addition valve (2) that injects urea water into an exhaust passage (1) of an internal combustion engine; a pipe (4); and a pump (6), a tank (5) and a pipe (4). The connector (3) is provided so that an inner upper end of the connector (3) is located at a position higher than the position of the connection port (2a) when the addition valve (2) is connected to the connector (3). A pressure accumulation portion (10) in which compressed air that, when the pumping of the urea water by the pump (6) is stopped, expands to a volume equal to or larger than the volume upon freezing and expansion of the urea water remaining inside the addition valve (2) and the pipe (4) is accumulated is provided in an upper part inside the connector (3), at a position higher than the position of the connection port (2a).

    摘要翻译： 一种添加剂供给装置，包括：向内燃机的排气通路（1）喷射尿素水的添加阀（2） 管（4）; 和泵（6），罐（5）和管（4）。 连接器（3）被设置为，当添加阀（2）连接到连接器（3）时，连接器（3）的内上端位于比连接端口（2a）的位置更高的位置处， 。 一种蓄压部（10），在该蓄压部（10）中，当泵（6）停止泵送尿素水时，压缩空气膨胀到等于或大于留在内部的尿素水冷冻和膨胀时的体积 在连接器（3）的内部的上部，在比连接口（2a）的位置更高的位置设置有添加阀（2）和管（4）。

    ADDITIVE SUPPLY DEVICE AND ADDITIVE SUPPLY METHOD FOR ENGINE
    9.
    发明授权
    ADDITIVE SUPPLY DEVICE AND ADDITIVE SUPPLY METHOD FOR ENGINE 有权

    公开(公告)号：EP3055525B8

    公开(公告)日：2018-04-11

    申请号：EP14793301.4

    申请日：2014-10-01

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA ,  Kabushiki Kaisha Toyota Jidoshokki

    发明人： TSUCHIYA, Tomihisa ,  HOSHI, Sakutaro

    IPC分类号： F01N3/20

    CPC分类号： F01N3/2066 ,  F01N2610/02 ,  F01N2610/10 ,  F01N2900/1811 ,  Y02A50/2325 ,  Y02T10/24

    摘要： An additive supply device for an engine, the additive supply device includes an additive supply system, a heater, an intake air temperature sensor and a heating control unit. The additive supply system is positioned outside of an engine compartment, and the additive supply system includes a tank, a pump, a supply passage. The heater heats the additive inside the additive supply system. The heating control unit is configured to (i) actuate the heater when a detected intake air temperature is low, and stop the actuation of the heater when the detected intake air temperature rises, and (ii) continue the actuation of the heater when a condition under which the detected intake air temperature and the temperature of the additive inside the additive supply system have deviated from each other is fulfilled during the actuation of the heater.