System for purging sulfate from a NOx trap
    21.
    发明授权
    System for purging sulfate from a NOx trap 失效
    用于从NOx捕集器中清除硫酸盐的系统

    公开(公告)号:US07343737B2

    公开(公告)日:2008-03-18

    申请号:US10595822

    申请日:2004-10-06

    CPC classification number: F02D41/028 F02D41/1446 F02D41/3809 F02D2041/389

    Abstract: In the system of the invention, the NOx trap (1) is associated with catalyst-forming means (2) integrated in an exhaust line (3) of a vehicle engine (4), and the engine is associated with a common manifold or “rail” fuel feeder (7, 8) for feeding it with fuel and adapted, by modifying control parameters for the operation of the engine, to cause the engine to switch between lean mixture (9) and rich mixture (10) operation. According to the invention, the fuel feeder (7, 8) is adapted to define four strategies (11, 12, 13, 14) for controlling lean mixture operation of the engine (9), and to cause the engine to switch between its various strategies in order to keep the trap (1) in a temperature window of maximum effectiveness.

    Abstract translation: 在本发明的系统中,NOx捕集器(1)与集成在车辆发动机(4)的排气管线(3)中的催化剂形成装置(2)相关联,并且发动机与公共歧管或“ 轨道“燃料供给器(7,8),用于向燃料供给燃料,并且通过修改用于发动机操作的控制参数来适应引擎在稀混合物(9)和富混合物(10)操作之间切换。 根据本发明,燃料供给器(7,8)适于限定用于控制发动机(9)的稀混合运行的四个策略(11,12,13,14),并且使发动机在其各种 策略,以保持陷阱(1)在最大效能的温度窗口。

    System for Evaluating Degree of Soot Loading in Depollution Means
    22.
    发明申请
    System for Evaluating Degree of Soot Loading in Depollution Means 有权
    污染物排放量评估系统

    公开(公告)号:US20070245721A1

    公开(公告)日:2007-10-25

    申请号:US11571259

    申请日:2005-06-21

    Abstract: The inventive system comprises means (10) for determining the vehicle running mode, means (11) for determining the mass of elementary carbon exhausted by the engine according said running mode, means (15) for accumulating said elementary masses during the engine operation and obtaining a total mass thereof, means (18) for calculating the volume of ash from engine lubrication oil, means (20) for calculating the volume of ash from engine feed fuel, means (21) for calculating the effective volume of the depollution means on the basis of the total volume of the means thereof as they are new or cleaned, the already calculated volume of ash and means for calculating the degree of soot loading of the depollution means on the basis of the total mass, the effective volume and the maximum density of deposits on the depollution means.

    Abstract translation: 本发明的系统包括用于确定车辆行驶模式的装置(10),用于根据所述行驶模式确定由发动机排出的基本碳的质量的装置(11),用于在发动机操作期间累积所述基本质量的装置(15) 其总质量,用于计算发动机润滑油的灰分量的装置(18),用于计算来自发动机进料燃料的灰分的装置(20),用于计算所述污染物装置的有效体积的装置(21) 其新鲜或清洁的装置的总体积的基础,灰分的已计算体积和基于总质量,有效体积和最大密度计算分解装置的烟灰负荷程度的装置 存放在污染物上的手段。

    System for assisting the regeneration of depollution means integrated in an exhaust line of a vehicle diesel engine
    23.
    发明申请
    System for assisting the regeneration of depollution means integrated in an exhaust line of a vehicle diesel engine 失效
    用于协助车辆柴油发动机的排气管路中的污染污染装置再生的系统

    公开(公告)号:US20070130916A1

    公开(公告)日:2007-06-14

    申请号:US10595624

    申请日:2004-10-04

    Abstract: This system in which the depollution means (1) are associated with oxidation catalyst-forming means (2), and the engine (4) is associated with common rail means (7) for feeding it with fuel and adapted to implement the strategy Of regeneration using At least one postinjection of fuel into the cylinders, is characterized in that it comprises detector means (8) for detecting a regeneration request (req.RG), detector means (9) for detecting a state in which the vehicle accelerator pedal is being raised, means (11) for acquiring the temperature downstream from the catalyst-forming means, means (8) for determining, on the basis of this temperature, the maximum duration for applying postinjections during a stage, in which the engine is returning to idling as a result of the accelerator pedal being raised, and cutoff means (7,8) for immediately cutting off postinjection as soon as the duration of postinjection use has reached the maximum duration.

    Abstract translation: 该分解装置(1)与氧化催化剂形成装置(2)相关联的该系统,并且发动机(4)与共轨装置(7)相关联,用于向其供给燃料并适于实施再生的策略 使用至少一个燃料后注入气缸,其特征在于它包括用于检测再生请求(req.RG)的检测器装置(8),用于检测车辆加速器踏板正在形成的状态的检测器装置(9) 用于获取催化剂形成装置下游的温度的装置(11),用于基于该温度确定在发动机返回空转的阶段期间施加后投射的最大持续时间的装置(8) 作为加速踏板升高的结果,以及一旦在投影使用的持续时间达到最大持续时间后立即切断投影后的切断装置(7,8)。

    System for assisting in the regeneration of depollution means integrated into an exhaust line of a motor vehicle diesel engine
    24.
    发明申请
    System for assisting in the regeneration of depollution means integrated into an exhaust line of a motor vehicle diesel engine 失效
    用于辅助汽车柴油发动机的排气管路中的污染污染再生装置的系统

    公开(公告)号:US20070017214A1

    公开(公告)日:2007-01-25

    申请号:US10595633

    申请日:2004-10-18

    Abstract: A system in which the depollution means (1) are associated with oxidation catalyst-forming means (2), and the engine (4) is associated with common manifold means (7) for feeding it with fuel, and adapted to implement a regeneration strategy in at least one operation of post-injecting fuel into the cylinders, is characterized in that is comprises: detector means (8) for detecting a regeneration request (req.RG); detector means (9) for detecting a state of the foot being raised on the vehicle accelerator; temperature acquisition means (11) for acquiring the temperature downstream from the catalyst-forming means (2); means (8) for determining a maximum quantity of fuel to be injected in the post-injection operations during the period of returning to idling following the foot being raised, and on the basis of said temperature; and means (7, 8) for immediately interrupting the post-injection operation as soon as the quantity of fuel injecting has reached the maximum quantity.

    Abstract translation: 一种其中分解装置(1)与氧化催化剂形成装置(2)相关联的系统,并且发动机(4)与用于向其供应燃料的共同歧管装置(7)相关联,并适于实施再生策略 在将燃料喷射到气缸中的至少一个操作中的特征在于包括:用于检测再生请求(req.RG)的检测器装置(8); 检测装置(9),用于检测在车辆加速器上升高的脚的状态; 用于获取催化剂形成装置(2)下游的温度的温度获取装置(11); 用于根据所述温度,在返回到空转之后的后期喷射操作期间确定要喷射的最大燃料量的装置(8); 以及一旦燃料喷射量达到最大量就立即中断后喷射操作的装置(7,8)。

    Auxiliary system for regenerating pollution control means incorporated into the exhaust line of a diesel engine for a motor vehicle
    25.
    发明申请
    Auxiliary system for regenerating pollution control means incorporated into the exhaust line of a diesel engine for a motor vehicle 失效
    用于再生污染控制装置的辅助系统,其结合到用于机动车辆的柴油发动机的排气管线中

    公开(公告)号:US20070017211A1

    公开(公告)日:2007-01-25

    申请号:US10595623

    申请日:2004-10-01

    Abstract: This system, in which the depollution means (1) are associated with oxidation catalyst-forming means (2), and the engine (4) is associated with common rail means (7) for feeding it with fuel and adapted to implement a regeneration strategy using at least one post-injection of fuel into the cylinders, is characterized in that it includes means (8) for detecting a request (req.RG) for regeneration, means (9, 10) for detecting a state in which the vehicle accelerator pedal is being raised or a stage in which the engine is idling, means (11) for acquiring the temperature downstream from the catalyst-forming means, means (8) responsive to said temperature to determine a maximum duration of post-injection application during stages of idling and during stages of returning to idling as a result of the accelerator pedal being raised, and means (7, 8) for immediately interrupting post-injection if the duration of post-injection utilization reaches the maximum duration during a stage of returning to idling, and/or for progressively reducing post-injection if the utilization duration reaches the maximum duration during a stage of the idling.

    Abstract translation: 该系统,其中分解装置(1)与氧化催化剂形成装置(2)相关联,并且发动机(4)与共轨装置(7)相关联,用于向其供给燃料并适于实施再生策略 使用至少一次后喷射燃料进入气缸,其特征在于它包括用于检测再生的请求(req.RG)的装置(8),用于检测车辆加速器的状态的装置(9,10) 踏板正在升起或发动机怠速的阶段,用于获取催化剂形成装置下游的温度的装置(11),响应于所述温度的装置(8),以确定阶段期间的后喷射施加的最大持续时间 怠速和由于加速器踏板升高而返回怠速阶段的装置(7,8),以及如果喷射后利用的持续时间在一段时间内达到最大持续时间,则立即中断后喷射 如果在怠速阶段使用持续时间达到最大持续时间,则返回空转阶段和/或逐渐减少后喷射。

    System for assisting the regeneration of depollution means included in a motor vehicle exhaust line
    26.
    发明授权
    System for assisting the regeneration of depollution means included in a motor vehicle exhaust line 失效
    用于辅助包括在机动车辆排气管线中的污染污染装置再生的系统

    公开(公告)号:US07946110B2

    公开(公告)日:2011-05-24

    申请号:US10595824

    申请日:2004-10-07

    CPC classification number: F02D41/027 F02B3/06 F02D2200/501 F02D2200/702

    Abstract: In a system for assisting the regeneration of depollution apparatus associated with an oxidation catalyst implementing an OSC function, constituting a supply of oxygen and integrated in an exhaust line of a motor vehicle diesel engine, in which the engine is associated with a common rail for feeding its cylinders with fuel, the running conditions of the vehicle are analyzed and compared with predetermined threshold values, to control the engine in a first regeneration mode of operation with a lean mixture when running conditions are above the threshold values, or in a second regeneration operating mode implementing sequences in which engine operation alternates between stages of rich mixture operation and of lean mixture operation when conditions are below the threshold values.

    Abstract translation: 在辅助再生与执行OSC功能的氧化催化剂相关联的污染污染装置的系统中,构成氧气供应并集成在机动车辆柴油发动机的排气管线中,其中发动机与用于进给的共轨相关联 其具有燃料的气缸,车辆的运行状况被分析并与预定阈值进行比较,以在运行条件高于阈值时或在第二再生操作中以贫混合物控制发动机处于第一再生运行模式 模式执行序列,其中当条件低于阈值时,发动机操作在富混合操作的阶段和精混合操作之间交替。

    System for evaluating the charge state of an exhaust line depollution means
    27.
    发明授权
    System for evaluating the charge state of an exhaust line depollution means 失效
    用于评估排气管道污染物排放状态的系统

    公开(公告)号:US07824481B2

    公开(公告)日:2010-11-02

    申请号:US11571260

    申请日:2005-06-22

    Abstract: The inventive system for evaluating the charged state of depollution means integrated into the exhaust line of a motor vehicle engine is characterised in that it comprises means (7) for determining a pressure in the depollution means, means (8) for determining the volume gas flowrate upstream said depollution means (10) and means for comparing the depollution means state defined by the thus determined pressure and the volume flowrate with a predetermined diagram (11) of the absent, overcharged and clogged states of the depollution means in order to evaluate the state thereof.

    Abstract translation: 用于评估集成在机动车辆发动机的排气管线中的污染污染装置的充电状态的本发明的系统的特征在于,其包括用于确定污染物排放装置中的压力的​​装置(7),用于确定体积气体流量的装置(8) 上游的污染污染装置(10)和用于将由如此确定的压力和体积流量所限定的污染物装置状态与去污装置的不存在,过充电和堵塞状态的预定图(11)进行比较的装置,以评估状态 其中。

    System for assisting the regeneration of depollution means for a motor vehicle engine
    28.
    发明授权
    System for assisting the regeneration of depollution means for a motor vehicle engine 有权
    用于辅助机动车辆发动机的污染物去除装置再生的系统

    公开(公告)号:US07765796B2

    公开(公告)日:2010-08-03

    申请号:US11571258

    申请日:2005-06-21

    Abstract: The inventive system for assisting in the regeneration of depollution means (1) which is integrated in the exhaust means (3) of a diesel engine (4), wherein the engine (4) is associated with a common rail supplying means (7, 8) for injecting fuel into cylinders thereof using at least one post-injection and for carrying out at least two regeneration strategies by isotorque modifying the parameters of the engine operation control, wherein the first regeneration strategy comprises a first level strategy and a second level strategy and the second regeneration strategy comprising the first level strategies and a sequence alternating the second and second over-calibrated level strategies, thereby making it possible to obtain different thermal levels in the line. The inventive system is characterised in that it comprises means (8) for determining the frequency of regenerations of the depollution means and means (8) for comparing said frequency with the threshold values in order to carry out the first regeneration strategy for the frequencies lower than said threshold values or the second strategy for the frequencies greater than the threshold values.

    Abstract translation: 本发明的用于辅助再生污染装置(1)的系统,该装置集成在柴油发动机(4)的排气装置(3)中,其中发动机(4)与共轨供应装置(7,8 ),用于使用至少一个后喷射将燃料喷射到气缸中,并且通过等速调节发动机操作控制的参数来执行至少两个再生策略,其中所述第一再生策略包括第一水平策略和第二水平策略,以及 第二再生策略包括第一级策略和序列交替的第二和第二过度校准的水平策略,从而使得可以在该线中获得不同的热水平。 本发明的系统的特征在于它包括用于确定分解装置的再生频率的装置(8)和用于将所述频率与阈值进行比较的装置(8),以便对低于该频率的频率执行第一再生策略 所述阈值或大于阈值的频率的第二策略。

    System for assisting regeneration of pollution management means
    29.
    发明授权
    System for assisting regeneration of pollution management means 失效
    协助再生污染治理手段的制度

    公开(公告)号:US07631490B2

    公开(公告)日:2009-12-15

    申请号:US11571253

    申请日:2005-06-20

    Abstract: The invention concerns a system for assisting regeneration of pollution management means (1) integrated in an exhaust line (3) of a diesel engine (4), wherein the engine (4) is associated with common ramp means (7) injecting fuel into the cylinders thereof, based on at least one post-injection and adapted to implement, in isocouple, through modification of the engine operation control parameters, at least two strategies called level 1 and level 2 and a second regeneration strategy including level 1 strategies and a sequence alternating level 2 and over-calibrated level 2 strategies, enabling different thermal levels to be achieved in the exhaust line. The invention is characterized in that it comprises means (8) for analyzing the vehicle running conditions and means (8) for comparing same to threshold values, to implement the first regeneration strategy for running conditions higher than the threshold values or the second regeneration strategy for running conditions lower than the threshold values.

    Abstract translation: 本发明涉及一种用于辅助再生整合在柴油发动机(4)的排气管线(3)中的污染管理装置(1)的系统,其中发动机(4)与将燃料喷射到 气缸,其基于至少一个后喷射并且适于通过改变发动机操作控制参数来实现等离子体,称为级别1和级别2的至少两种策略,以及包括级别1策略和序列的第二再生策略 交替水平2和过度校准的2级策略,使得在排气管线中实现不同的热水平。 本发明的特征在于,它包括用于分析车辆运行状况的装置(8)和用于将其与阈值进行比较的装置(8),以实现高于阈值或第二再生策略的运行条件的第一再生策略 运行条件低于阈值。

    System for assisting the regeneration of depollution means for a motor vehicle engine
    30.
    发明授权
    System for assisting the regeneration of depollution means for a motor vehicle engine 失效
    用于辅助机动车辆发动机的污染物去除装置再生的系统

    公开(公告)号:US07493755B2

    公开(公告)日:2009-02-24

    申请号:US11571261

    申请日:2005-06-22

    Abstract: The inventive system for assisting in the regeneration of depollution means (1) which is integrated in the exhaust means (3) of a diesel engine (4), wherein the engine (4) is associated with a common rail supplying means (7, 8) for injecting fuel into cylinders thereof using at least one post-injection and for carrying out at least two regeneration strategies by isotorque modifying the parameters of the engine operation control, wherein the first regeneration strategy comprises a first level strategy and a second level strategy and the second regeneration strategy comprising the first level strategies and a sequence alternating the second and second over-calibrated level strategies, thereby making it possible to obtain different thermal levels in the line. The inventive system is characterized in that it comprises means (8) for determining the number of incomplete regenerations of the depollution means and means (8) for comparing said number with the threshold values in order to carry out the first regeneration strategy for the number lower than said threshold values or the second strategy for the number greater than the threshold values.

    Abstract translation: 本发明的用于辅助再生污染装置(1)的系统,该装置集成在柴油发动机(4)的排气装置(3)中,其中发动机(4)与共轨供应装置(7,8 ),用于使用至少一个后喷射将燃料喷射到气缸中,并且通过等速调节发动机操作控制的参数来执行至少两个再生策略,其中所述第一再生策略包括第一水平策略和第二水平策略,以及 第二再生策略包括第一级策略和序列交替的第二和第二过度校准的水平策略,从而使得可以在该线中获得不同的热水平。 本发明的系统的特征在于它包括用于确定分解装置的不完全再生数量的装置(8)和用于将所述数量与阈值进行比较的装置(8),以便执行数量较低的第一再生策略 超过所述阈值或大于阈值的数字的第二策略。

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