Method and device for operating an internal combustion engine
    1.
    发明授权
    Method and device for operating an internal combustion engine 有权
    用于操作内燃机的方法和装置

    公开(公告)号:US08000853B2

    公开(公告)日:2011-08-16

    申请号:US12281381

    申请日:2007-02-01

    IPC分类号: G01M15/04

    摘要: During a first driving cycle, a combustion process is controlled in at least one combustion chamber for the purpose of performing a check on an emission reduction system of an internal combustion engine. During a second driving cycle following the first cycle, a check is performed to establish whether an error in the emission reduction system was detected during the first cycle. An idle time between the first and the second cycles is determined, in the event of an error of the emission reduction system detected during the first cycle. During the second cycle, the combustion process in the at least one combustion chamber is only controlled for the purpose of the check on the emission reduction system, in the event of an error detected in the emission reduction system during the first cycle and in the event of the idle time being longer than a pre-determined repair time.

    摘要翻译: 在第一驱动循环期间,为了对内燃机的排放减少系统进行检查,在至少一个燃烧室中控制燃烧过程。 在第一循环之后的第二驱动循环期间,执行检查以确定在第一循环期间是否检测到排放减少系统中的误差。 在第一周期内检测到发射减少系统的误差的情况下,确定第一和第二周期之间的空闲时间。 在第二循环期间,在第一循环期间和在事件中在发射减少系统中检测到错误的情况下,仅控制至少一个燃烧室中的燃烧过程用于检查排放减少系统 的空闲时间比预定的维修时间长。

    Method for operating an exhaust-gas catalytic converter of an internal combustion engine
    2.
    发明授权
    Method for operating an exhaust-gas catalytic converter of an internal combustion engine 有权
    用于操作内燃机的废气催化转化器的方法

    公开(公告)号:US08312707B2

    公开(公告)日:2012-11-20

    申请号:US12161264

    申请日:2006-12-05

    IPC分类号: F01N3/00 F01N3/10

    摘要: Method and apparatus for operating an exhaust-gas catalytic converter (21) of an internal combustion engine having at least one cylinder (Z1-Z4) and one exhaust-gas section (4), in which the exhaust-gas catalytic converter (21) and a lambda probe (43) downstream of the exhaust-gas catalytic converter (21) are arranged. A characteristic value which is representative for the NOx concentration is determined as a function of a measured signal (VLS DOWN) of the lambda probe (43).

    摘要翻译: 用于操作具有至少一个气缸(Z1-Z4)和一个废气部分(4)的内燃机的排气 - 催化转化器(21)的方法和装置,其中排气 - 催化转化器(21) 和排气催化转化器(21)下游的λ探针(43)。 根据λ探针(43)的测量信号(VLS DOWN)确定代表NOx浓度的特征值。

    Method for Operating an Exhaust-Gas Catalytic Converter of an Internal Combustion Engine
    3.
    发明申请
    Method for Operating an Exhaust-Gas Catalytic Converter of an Internal Combustion Engine 有权
    操作内燃机废气催化转化器的方法

    公开(公告)号:US20100186371A1

    公开(公告)日:2010-07-29

    申请号:US12161264

    申请日:2006-12-05

    IPC分类号: F01N3/18 F01N3/10

    摘要: Method and apparatus for operating an exhaust-gas catalytic converter (21) of an internal combustion engine having at least one cylinder (Z1-Z4) and one exhaust-gas section (4), in which the exhaust-gas catalytic converter (21) and a lambda probe (43) downstream of the exhaust-gas catalytic converter (21) are arranged. A characteristic value which is representative for the NOx concentration is determined as a function of a measured signal (VLS DOWN) of the lambda probe (43).

    摘要翻译: 用于操作具有至少一个气缸(Z1-Z4)和一个废气部分(4)的内燃机的排气 - 催化转化器(21)的方法和装置,其中排气 - 催化转化器(21) 和排气催化转化器(21)下游的λ探针(43)。 根据λ探针(43)的测量信号(VLS DOWN)确定代表NOx浓度的特征值。

    Method and Device for Operating an Internal Combustion Engine
    4.
    发明申请
    Method and Device for Operating an Internal Combustion Engine 有权
    操作内燃机的方法和装置

    公开(公告)号:US20090012671A1

    公开(公告)日:2009-01-08

    申请号:US12281381

    申请日:2007-02-01

    IPC分类号: F02D45/00

    摘要: During a first driving cycle, a combustion process is controlled in at least one combustion chamber for the purpose of performing a check on an emission reduction system of an internal combustion engine. During a second driving cycle following the first cycle, a check is performed to establish whether an error in the emission reduction system was detected during the first cycle. An idle time between the first and the second cycles is determined, in the event of an error of the emission reduction system detected during the first cycle. During the second cycle, the combustion process in the at least one combustion chamber is only controlled for the purpose of the check on the emission reduction system, in the event of an error detected in the emission reduction system during the first cycle and in the event of the idle time being longer than a pre-determined repair time.

    摘要翻译: 在第一驱动循环期间,为了对内燃机的排放减少系统进行检查,在至少一个燃烧室中控制燃烧过程。 在第一循环之后的第二驱动循环期间,执行检查以确定在第一循环期间是否检测到排放减少系统中的误差。 在第一周期内检测到发射减少系统的误差的情况下,确定第一和第二周期之间的空闲时间。 在第二循环期间,在第一循环期间和在事件中在发射减少系统中检测到错误的情况下,仅控制至少一个燃烧室中的燃烧过程用于检查排放减少系统 的空闲时间比预定的维修时间长。

    Method and device for monitoring an exhaust gas probe
    5.
    发明授权
    Method and device for monitoring an exhaust gas probe 有权
    用于监测排气探头的方法和装置

    公开(公告)号:US08196460B2

    公开(公告)日:2012-06-12

    申请号:US12444228

    申请日:2007-10-02

    IPC分类号: G01M15/10

    摘要: In relation to a jump (SP_J_LR) from a lean air-to-fuel ratio to a richer air-to-fuel ratio, a measurement signal of the exhaust gas probe is detected after a predetermined lean-to-rich delay (t_R) as a lean-to-rich signal value (SV_LR) and is placed in relation to a lean-to-reference signal value (L_REF). In relation to a jump (SP_J_RL) from a richer air-to-fuel ratio to a leaner air-to-fuel ratio, the procedure is performed equivalently. Depending on the lean-to-rich and lean-to-rich signal value put in relation, either an asymmetrically aged or non-asymmetrically aged exhaust gas probe is detected.

    摘要翻译: 关于从空气 - 空燃比到更丰富的空气 - 燃料比的跳跃(SP_J_LR),在预定的稀薄到富的延迟(t_R)之后检测排气探针的测量信号,如 稀疏信号值(SV_LR),并且相对于倾斜参考信号值(L_REF)被放置。 相对于从更加丰富的空气 - 燃料比到更精细的空气 - 燃料比的跳跃(SP_J_RL),等效地执行该过程。 根据相关的贫富浓和贫富信号值,检测到不对称老化或非对称老化的废气探头。

    Method and device for monitoring an exhaust gas probe
    6.
    发明申请
    Method and device for monitoring an exhaust gas probe 有权
    用于监测排气探头的方法和装置

    公开(公告)号:US20100037683A1

    公开(公告)日:2010-02-18

    申请号:US12444228

    申请日:2007-10-02

    IPC分类号: G01M15/10

    摘要: In relation to a jump (SP_J_LR) from a lean air-to-fuel ratio to a richer air-to-fuel ratio, a measurement signal of the exhaust gas probe is detected after a predetermined lean-to-rich delay (t_R) as a lean-to-rich signal value (SV_LR) and is placed in relation to a lean-to-reference signal value (L_REF). In relation to a jump (SP_J_RL) from a richer air-to-fuel ratio to a leaner air-to-fuel ratio, the procedure is performed equivalently. Depending on the lean-to-rich and lean-to-rich signal value put in relation, either an asymmetrically aged or non-asymmetrically aged exhaust gas probe is detected.

    摘要翻译: 关于从空气 - 空燃比到更丰富的空气 - 燃料比的跳跃(SP_J_LR),在预定的稀薄到富的延迟(t_R)之后检测排气探针的测量信号,如 稀疏信号值(SV_LR),并且相对于倾斜参考信号值(L_REF)被放置。 相对于从更加丰富的空气 - 燃料比到更精细的空气 - 燃料比的跳跃(SP_J_RL),等效地执行该过程。 根据相关的贫富浓和贫富信号值,检测到不对称老化或非对称老化的废气探头。

    ENGINE-CONTROLLING UNIT AND ENGINE-CONTROLLING METHOD FOR AN INTERNAL-COMBUSTION ENGINE
    7.
    发明申请
    ENGINE-CONTROLLING UNIT AND ENGINE-CONTROLLING METHOD FOR AN INTERNAL-COMBUSTION ENGINE 有权
    发动机控制单元和内燃机发动机控制方法

    公开(公告)号:US20090198435A1

    公开(公告)日:2009-08-06

    申请号:US12355054

    申请日:2009-01-16

    摘要: An engine-controlling unit/method for an internal-combustion engine with first and second combustion-chamber groups having a first and second catalytic exhaust-gas converter, respectively, having (a) a master control device that controls a combustion-air ratio for the first combustion-chamber group by forcibly exciting the first combustion-chamber group, further having (b) a slave control device that controls a combustion-air ratio for the second combustion-chamber group by forcibly exciting the second combustion-chamber group, and further having (c) a data link between the master and slave for control through the master. It is proposed (d) for the master to transmit a synchronizing signal to the slave over the data link during changeover between the rich and lean combustion-air ratio within the scope of forced excitation, and (e) on receipt of the synchronizing signal from the master for the slave to change over within the scope of forced excitation between the rich and lean combustion-air ratio.

    摘要翻译: 一种用于具有第一和第二燃烧室组的内燃机的发动机控制单元/方法,分别具有第一和第二催化废气转换器,所述第一和第二燃烧室组具有:(a)主控制装置,其控制燃烧 - 所述第一燃烧室组通过强制地激励所述第一燃烧室组,还具有(b)从动控制装置,其通过强制地激励所述第二燃烧室组来控制所述第二燃烧室组的燃烧空气比;以及 还具有(c)主机和从机之间的数据链路,以通过主机进行控制。 (d)提出(d)在强制激励的范围内,在丰富和贫燃燃烧比之间的切换期间,主器件在数据链路上向从机发送同步信号,以及(e)在接收到来自 主人在奴隶之间在强力激励的范围内在丰富和贫乏的燃烧空气比之间转变。

    Engine-controlling unit and engine-controlling method for an internal-combustion engine
    8.
    发明授权
    Engine-controlling unit and engine-controlling method for an internal-combustion engine 有权
    用于内燃机的发动机控制单元和发动机控制方法

    公开(公告)号:US07974770B2

    公开(公告)日:2011-07-05

    申请号:US12355054

    申请日:2009-01-16

    IPC分类号: G06F19/00 F01N3/10

    摘要: An engine-controlling unit/method for an internal-combustion engine with first and second combustion-chamber groups having a first and second catalytic exhaust-gas converter, respectively, having (a) a master control device that controls a combustion-air ratio for the first combustion-chamber group by forcibly exciting the first combustion-chamber group, further having (b) a slave control device that controls a combustion-air ratio for the second combustion-chamber group by forcibly exciting the second combustion-chamber group, and further having (c) a data link between the master and slave for control through the master. It is proposed (d) for the master to transmit a synchronizing signal to the slave over the data link during changeover between the rich and lean combustion-air ratio within the scope of forced excitation, and (e) on receipt of the synchronizing signal from the master for the slave to change over within the scope of forced excitation between the rich and lean combustion-air ratio.

    摘要翻译: 一种用于具有第一和第二燃烧室组的内燃机的发动机控制单元/方法,分别具有第一和第二催化废气转换器,所述第一和第二燃烧室组具有:(a)主控制装置,其控制燃烧 - 所述第一燃烧室组通过强制地激励所述第一燃烧室组,还具有(b)从动控制装置,其通过强制地激励所述第二燃烧室组来控制所述第二燃烧室组的燃烧空气比;以及 还具有(c)主机和从机之间的数据链路,以通过主机进行控制。 (d)提出(d)在强制激励的范围内,在丰富和贫燃燃烧比之间的切换期间,主器件在数据链路上向从机发送同步信号,以及(e)在接收到来自 主人在奴隶之间在强力激励的范围内在丰富和贫乏的燃烧空气比之间转变。

    Method and device for monitoring an exhaust gas probe
    9.
    发明授权
    Method and device for monitoring an exhaust gas probe 有权
    用于监测排气探头的方法和装置

    公开(公告)号:US07874285B2

    公开(公告)日:2011-01-25

    申请号:US11906898

    申请日:2007-10-04

    IPC分类号: F02D41/00 G01M19/00 G01M15/00

    摘要: Depending on a trim controller diagnosis, a suspicion marker for an asymmetric ageing of the exhaust gas probe is allocated either a “true” value or a “false” value and, if the value of the suspicion marker is “true”, a dynamic diagnosis will be performed based on the exhaust gas probe's measuring signal, on the basis of the results of which diagnosis either an asymmetrically aged or a non-asymmetrically aged exhaust gas probe will be detected.

    摘要翻译: 根据修剪控制器诊断,排气探针的不对称老化的怀疑标记被分配为“真”值或“假”值,并且如果怀疑标记的值为“真”,则动态诊断 将基于排气探测器的测量信号进行,基于将检测到不对称老化或非对称老化的废气探测器的结果。

    Method and device for monitoring an exhaust gas probe
    10.
    发明申请
    Method and device for monitoring an exhaust gas probe 有权
    用于监测排气探头的方法和装置

    公开(公告)号:US20080083211A1

    公开(公告)日:2008-04-10

    申请号:US11906898

    申请日:2007-10-04

    IPC分类号: F01N3/00 G01R31/00

    摘要: Depending on a trim controller diagnosis, a suspicion marker for an asymmetric ageing of the exhaust gas probe is allocated either a “true” value or a “false” value and, if the value of the suspicion marker is “true”, a dynamic diagnosis will be performed based on the exhaust gas probe's measuring signal, on the basis of the results of which diagnosis either an asymmetrically aged or a non-asymmetrically aged exhaust gas probe will be detected.

    摘要翻译: 根据修剪控制器诊断,排气探针的不对称老化的怀疑标记被分配为“真”值或“假”值,并且如果怀疑标记的值为“真”,则动态诊断 将基于排气探测器的测量信号进行,基于将检测到不对称老化或非对称老化的废气探测器的结果。