公开(公告)号：US20090183495A1

公开(公告)日：2009-07-23

申请号：US12227931

申请日：2007-05-14

申请人： Takao Onodera ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

发明人： Takao Onodera ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

IPC分类号： F01N9/00 ,  F01N3/023 ,  F01N3/035

CPC分类号： F01N3/0231 ,  F01N3/0235 ,  F01N3/035 ,  F01N9/002 ,  F01N13/0097 ,  F01N2250/02 ,  F01N2260/14 ,  F01N2430/085 ,  F01N2560/08 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1606 ,  F02D41/029 ,  F02D41/08 ,  F02D2200/0812 ,  Y02T10/47

摘要： Even in the case of driving for a long time in the low rotation speed driving condition in which the exhaust flow rate is small and an estimation of the PM accumulated amount due to the pressure difference between the front and the back sides of a filter is difficult, the forced regeneration time can be accurately judged, the deterioration of fuel efficiency that is caused by excessive PM trapping can be avoided, and at the same time, thermal runaway that is generated by the excessive accumulated amount of PM and melting damage of the DPF due to this thermal runaway can be prevented. In the exhaust gas purification system 1 that performs a forced regeneration control by judging a forced regeneration starting time of the DPF 12b from the pressure difference ΔPm between the front and the back sides of the DPF 12b, in the case of detecting that the driving condition of the internal combustion engine 10 is a low rotation speed driving condition, the sustaining time tm of the low rotation speed driving condition is measured, and when the measured sustaining time tm exceeds the predetermined time for judgment tc, the forced regeneration control of the DPF 12b is performed without affecting the pressure difference ΔPm between the front and the back sides of the DPF 12b.

摘要翻译： 即使在排气流量小的低转速行驶条件下长时间行驶，并且由于过滤器的前后侧之间的压力差导致的PM累积量的估计困难的情况 可以准确地判断强制再生时间，可以避免PM过量引起的燃油效率的劣化，同时由PM的过度累积量和DPF的熔融损伤产生的热失控 由于这种热失控可以防止。 在通过从DPF 12b的前侧和后侧之间的压力差ΔPm判断DPF 12b的强制再生开始时间来进行强制再生控制的排气净化系统1中，在检测到驱动条件 内燃机10的转速为低转速驱动条件时，测量低转速驱动条件的维持时间tm，并且当测量的维持时间tm超过用于判断的预定时间tc时，DPF的强制再生控制 执行12b而不影响DPF 12b的前侧和后侧之间的压力差ΔPm。

公开(公告)号：US08522533B2

公开(公告)日：2013-09-03

申请号：US12227931

申请日：2007-05-14

申请人： Takao Onodera ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

发明人： Takao Onodera ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

IPC分类号： F01N3/00

CPC分类号： F01N3/0231 ,  F01N3/0235 ,  F01N3/035 ,  F01N9/002 ,  F01N13/0097 ,  F01N2250/02 ,  F01N2260/14 ,  F01N2430/085 ,  F01N2560/08 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1606 ,  F02D41/029 ,  F02D41/08 ,  F02D2200/0812 ,  Y02T10/47

摘要： When an internal combustion engine is in a low rotation speed driving condition, a duration of the low rotation speed driving condition is measured, and when this duration exceeds a predetermined time, the forced regeneration control is performed. Thus, even when an exhaust flow rate is small and an estimation of a particulate matter accumulated amount due to a pressure difference between front and back sides of a filter is difficult, a forced regeneration time can be accurately judged, the deterioration of fuel efficiency that is caused by excessive trapped particulate matter can be avoided, and thermal runaway that is caused by the excessive particulate matter, and the melting damage of the diesel particulate filter due to this thermal runaway, can be prevented.

摘要翻译： 当内燃机处于低转速行驶状态时，测量低转速行驶状态的持续时间，当该持续时间超过规定时间时，进行强制再生控制。 因此，即使排气流量小，并且由于过滤器的前后侧之间的压力差导致的颗粒物质累积量的估计困难，因此可以准确地判断强制再生时间，燃料效率的劣化 是由于过量捕获的颗粒物质可以避免的，并且可以防止由于这种热失控导致的过量颗粒物质引起的热失控和柴油颗粒过滤器的熔化损坏。

公开(公告)号：US08181449B2

公开(公告)日：2012-05-22

申请号：US11922846

申请日：2006-06-20

申请人： Takao Onodera ,  Naofumi Ochi ,  Wei Wu ,  Tatsuo Mashiko

发明人： Takao Onodera ,  Naofumi Ochi ,  Wei Wu ,  Tatsuo Mashiko

IPC分类号： F01N3/00

CPC分类号： F02D41/029 ,  B01D46/0061 ,  B01D46/0086 ,  B01D46/46 ,  B01D53/9495 ,  B01D2251/208 ,  B01D2258/012 ,  B01D2279/30 ,  F01N3/023 ,  F01N3/0235 ,  F01N3/035 ,  F01N3/106 ,  F01N11/002 ,  F01N13/0097 ,  F02D41/405 ,  F02D2250/11 ,  Y02T10/44 ,  Y02T10/47

摘要： An exhaust gas purification system has an exhaust gas purification device for purifying components in exhaust gas from an internal combustion engine. In order to recover a purification ability of the device, and in order to prevent oil dilution occurring when post injection is conducted during control that raises the temperature of exhaust gas, the system performs the following, during control; injection quantities of post injections are calculated based on previously set map data, accumulated to calculate a post injection accumulated injection amount, and, when the accumulated injection amount exceeds a predetermined value, the post injection is stopped to cease the regenerative control.

摘要翻译： 排气净化系统具有净化来自内燃机的废气中的成分的废气净化装置。 为了恢复装置的净化能力，并且为了防止在提高排气温度的控制期间进行后喷射时发生的油稀释，在控制期间，系统执行以下操作： 基于预先设定的地图数据计算后喷射的喷射量，累积以计算后喷射累积喷射量，并且当累积喷射量超过预定值时，停止后喷射以停止再生控制。

公开(公告)号：US20090082938A1

公开(公告)日：2009-03-26

申请号：US11922846

申请日：2006-06-20

申请人： Takao Onodera ,  Naofumi Ochi ,  Wei Wu ,  Tatsuo Mashiko

发明人： Takao Onodera ,  Naofumi Ochi ,  Wei Wu ,  Tatsuo Mashiko

IPC分类号： F02D41/00 ,  F01N9/00

CPC分类号： F02D41/029 ,  B01D46/0061 ,  B01D46/0086 ,  B01D46/46 ,  B01D53/9495 ,  B01D2251/208 ,  B01D2258/012 ,  B01D2279/30 ,  F01N3/023 ,  F01N3/0235 ,  F01N3/035 ,  F01N3/106 ,  F01N11/002 ,  F01N13/0097 ,  F02D41/405 ,  F02D2250/11 ,  Y02T10/44 ,  Y02T10/47

摘要： An exhaust gas purification system has an exhaust gas purification device (12) for purifying components in exhaust gas from an internal combustion engine (10) such as a diesel engine. In order to recover the purification ability of the exhaust gas purification device (12), and in order to prevent oil dilution occurring when post injection is conducted as part of an in-cylinder fuel injection control during an exhaust gas temperature raising control that raises the temperature of exhaust gas, the system performs the following. In a regenerative control for recovering purification ability of the exhaust gas purification device (12), injection quantities (Qp) of post injections are calculated based on previously set map data (Mp), accumulated to calculate a post injection accumulated injection amount (ΣQp), and, when the accumulated injection amount (ΣQp) exceeds a predetermined determination value (Cp), the post injection is stopped to cease the regenerative control.

摘要翻译： 排气净化系统具有净化来自柴油发动机等内燃机（10）的废气中的成分的废气净化装置（12）。 为了回收废气净化装置（12）的净化能力，为了防止在进行后喷射时发生的油稀释，作为在排气升温控制期间的缸内燃料喷射控制的一部分， 排气温度，系统执行以下操作。 在用于回收废气净化装置（12）的净化能力的再生控制中，基于预先设定的映射数据（Mp）计算后喷射量的喷射量（Qp），累计计算出后喷射累积喷射量（SigmaQp） ，并且当累积喷射量（SigmaQp）超过预定的确定值（Cp）时，停止后喷射以停止再生控制。

公开(公告)号：US08171725B2

公开(公告)日：2012-05-08

申请号：US11922317

申请日：2006-06-20

申请人： Wei Wu ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

发明人： Wei Wu ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

IPC分类号： F01N3/00

CPC分类号： F02D41/029 ,  B01D53/9495 ,  B01D2251/208 ,  B01D2258/012 ,  F01N3/023 ,  F01N3/0235 ,  F01N3/035 ,  F01N3/106 ,  F01N11/002 ,  F02B2023/085 ,  F02D9/06 ,  F02D41/1446 ,  F02D41/405 ,  F02D2250/38 ,  Y02T10/44 ,  Y02T10/47

摘要： In an exhaust gas temperature raising control for recovering purification ability of an exhaust gas purification device of an internal combustion engine, the exhaust gas temperature is efficiently raised to a target level without producing white smoke. In recovery control of the exhaust gas purification device, when the temperature of the exhaust gas flowing into the exhaust gas purification device is lower than a predetermined judgment value, a first exhaust gas temperature raising control that does not include post injection but includes intake air restriction is performed, and when equal to or higher than the predetermined judgment value, a second exhaust gas temperature raising control that includes both the post injection and the intake air restriction is performed to set an intake air restriction amount in the first exhaust gas temperature raising control greater than an intake air restriction amount in the second exhaust gas temperature raising control.

摘要翻译： 在用于回收内燃机的排气净化装置的净化能力的排气升温控制中，废气温度有效地提高到目标水平而不产生白烟。 在排气净化装置的回收控制中，当流入排气净化装置的废气的温度低于预定判定值时，不包括后喷射但包含进气限制的第一废气升温控制 并且当等于或高于预定判断值时，执行包括后喷射和进气限制的二次排气升温控制，以设定第一排气升温控制中的进气限制量 大于第二排气升温控制中的进气限制量。

公开(公告)号：US20090235644A1

公开(公告)日：2009-09-24

申请号：US11922317

申请日：2006-06-20

申请人： Wei Wu ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

发明人： Wei Wu ,  Naofumi Ochi ,  Shigeru Ikeda ,  Tatsuo Mashiko

IPC分类号： F01N9/00 ,  F01N3/023

CPC分类号： F02D41/029 ,  B01D53/9495 ,  B01D2251/208 ,  B01D2258/012 ,  F01N3/023 ,  F01N3/0235 ,  F01N3/035 ,  F01N3/106 ,  F01N11/002 ,  F02B2023/085 ,  F02D9/06 ,  F02D41/1446 ,  F02D41/405 ,  F02D2250/38 ,  Y02T10/44 ,  Y02T10/47

摘要： In an exhaust gas temperature raising control for recovering purification ability of an exhaust gas purification device (12) of an internal combustion engine, the exhaust gas temperature is efficiently raised to a target level with white smoke prevented from being produced. To achieve this, in the exhaust gas temperature raising control in recovery control of the exhaust gas purification device (12), when the temperature (Tg1) of the exhaust gas flowing into the exhaust gas purification device (12) is lower than a predetermined judgment value (Tp), a first exhaust gas temperature raising control that does not include post injection but includes intake air restriction is performed, and when equal to or higher than the predetermined judgment value (Tp), a second exhaust gas temperature raising control that includes both the post injection and the intake air restriction is performed to set an intake air restriction amount (α) in the first exhaust gas temperature raising control greater than an intake air restriction amount (β) in the second exhaust gas temperature raising control.

摘要翻译： 在用于回收内燃机的排气净化装置（12）的净化能力的废气升温控制中，废气温度有效地提高到目标水平，防止产生白烟。 为此，在排气净化装置（12）的回收控制中的废气升温控制中，当流入排气净化装置（12）的废气的温度（Tg1）低于预定判定值时 （Tp），执行不包括后喷射但包括进气限制的第一废气升温控制，并且当等于或高于预定判定值（Tp）时，包括第二废气升温控制 执行后喷射和进气限制，以将第一排气升温控制中的进气限制量（α）设定为大于第二排气升温控制中的进气限制量（β）。

公开(公告)号：US07729845B2

公开(公告)日：2010-06-01

申请号：US11995665

申请日：2006-06-22

申请人： Takuro Iwashita ,  Takashi Haseyama ,  Yoshinobu Watanabe ,  Naofumi Ochi ,  Kenji Hagio ,  Tatsuo Mashiko

发明人： Takuro Iwashita ,  Takashi Haseyama ,  Yoshinobu Watanabe ,  Naofumi Ochi ,  Kenji Hagio ,  Tatsuo Mashiko

IPC分类号： G06F19/00 ,  F02M51/00

CPC分类号： F02D41/403 ,  F02D41/1498 ,  F02D41/405 ,  F02D2200/1015 ,  Y02T10/44

摘要： A fuel injection control device that prevents a misfire is provided. The fuel injection control device comprises: target injection amount determination means 3 for determining a target injection amount of each fuel injection, so that the amount of fuel to be supplied to a cylinder in one combustion cycle is supplied in a plurality of fuel injections; and fuel injection correction amount determination means 4 for determining a fuel correction amount of one combustion cycle, wherein the fuel injection correction amount determination means 4 distributes the correction amount among each fuel injection in accordance with the ratio of a target injection amount of each fuel injection in the cylinder.

摘要翻译： 提供了防止失火的燃料喷射控制装置。 燃料喷射控制装置包括：目标喷射量确定装置3，用于确定每个燃料喷射的目标喷射量，使得在多个燃料喷射中供应供应到一个燃烧循环中的气缸的燃料量; 以及用于确定一个燃烧循环的燃料校正量的燃料喷射校正量确定装置4，其中燃料喷射校正量确定装置4根据每个燃料喷射的目标喷射量的比率分配每个燃料喷射中的校正量 在气缸中。

公开(公告)号：US20090150045A1

公开(公告)日：2009-06-11

申请号：US11995665

申请日：2006-06-22

申请人： Takuro Iwashita ,  Takashi Haseyama ,  Yoshinobu Watanabe ,  Naofumi Ochi ,  Kenji Hagio ,  Tatsuo Mashiko

发明人： Takuro Iwashita ,  Takashi Haseyama ,  Yoshinobu Watanabe ,  Naofumi Ochi ,  Kenji Hagio ,  Tatsuo Mashiko

IPC分类号： F02D41/30

CPC分类号： F02D41/403 ,  F02D41/1498 ,  F02D41/405 ,  F02D2200/1015 ,  Y02T10/44

摘要： A fuel injection control device that prevents a misfire is provided. The fuel injection control device comprises: target injection amount determination means 3 for determining a target injection amount of each fuel injection, so that the amount of fuel to be supplied to a cylinder in one combustion cycle is supplied in a plurality of fuel injections; and fuel injection correction amount determination means 4 for determining a fuel correction amount of one combustion cycle, wherein the fuel injection correction amount determination means 4 distributes the correction amount among each fuel injection in accordance with the ratio of a target injection amount of each fuel injection in the cylinder.

摘要翻译： 提供了防止失火的燃料喷射控制装置。 燃料喷射控制装置包括：目标喷射量确定装置3，用于确定每个燃料喷射的目标喷射量，使得在多个燃料喷射中供应供应到一个燃烧循环中的气缸的燃料量; 以及用于确定一个燃烧循环的燃料校正量的燃料喷射校正量确定装置4，其中燃料喷射校正量确定装置4根据每个燃料喷射的目标喷射量的比率分配每个燃料喷射中的校正量 在气缸中。

公开(公告)号：US20130081379A1

公开(公告)日：2013-04-04

申请号：US13703219

申请日：2011-06-10

申请人： Naofumi Ochi ,  Tetsuya Murata ,  Takao Onodera

发明人： Naofumi Ochi ,  Tetsuya Murata ,  Takao Onodera

IPC分类号： F01N3/025

CPC分类号： F01N3/0253 ,  F01N3/36 ,  F01N9/002 ,  F01N2560/08 ,  F01N2610/03 ,  F01N2900/0412 ,  F01N2900/0416 ,  F01N2900/08 ,  F01N2900/1808 ,  F02B37/013 ,  F02M63/0225 ,  Y02T10/47

摘要： An exhaust pipe injection control device for controlling an appropriate fuel injection amount regardless of engine rotation speed. The exhaust pipe injection control device includes: a target injection amount setting unit which sets, according to an engine rotation speed and an exhaust gas flow rate, a target injection amount that is injected in a single injection from an exhaust pipe injector; a base pulse width (“BPW”) map in which a fuel injection time of the exhaust pipe injector is set so that, with respect to the target injection amount and an exhaust pipe injection fuel pressure, fuel in the target injection amount is injected; and an exhaust pipe injection executing unit which performs injection from the exhaust pipe injector by referring to the BPW map based on the target injection amount and the exhaust pipe injection fuel pressure.

摘要翻译： 一种排气管喷射控制装置，用于与发动机转速无关地控制适当的燃料喷射量。 排气管喷射控制装置包括：目标喷射量设定单元，其根据发动机转速和排气流量设定从排气管喷射器以单次喷射喷射的目标喷射量; 基准脉冲宽度（BPW）图，其中排气管喷射器的燃料喷射时间被设定为使得相对于目标喷射量和排气管喷射燃料压力喷射目标喷射量的燃料; 以及排气管喷射执行单元，其基于目标喷射量和排气管喷射燃料压力参照BPW图从排气管喷射器进行喷射。

公开(公告)号：US08875492B2

公开(公告)日：2014-11-04

申请号：US13703219

申请日：2011-06-10

申请人： Naofumi Ochi ,  Tetsuya Murata ,  Takao Onodera

发明人： Naofumi Ochi ,  Tetsuya Murata ,  Takao Onodera

IPC分类号： F01N3/00 ,  F01N3/025 ,  F01N3/36 ,  F01N9/00 ,  F02B37/013 ,  F02M63/02

CPC分类号： F01N3/0253 ,  F01N3/36 ,  F01N9/002 ,  F01N2560/08 ,  F01N2610/03 ,  F01N2900/0412 ,  F01N2900/0416 ,  F01N2900/08 ,  F01N2900/1808 ,  F02B37/013 ,  F02M63/0225 ,  Y02T10/47

摘要： An exhaust pipe injection control device for controlling an appropriate fuel injection amount regardless of engine rotation speed. The exhaust pipe injection control device includes: a target injection amount setting unit which sets, according to an engine rotation speed and an exhaust gas flow rate, a target injection amount that is injected in a single injection from an exhaust pipe injector; a base pulse width (“BPW”) map in which a fuel injection time of the exhaust pipe injector is set so that, with respect to the target injection amount and an exhaust pipe injection fuel pressure, fuel in the target injection amount is injected; and an exhaust pipe injection executing unit which performs injection from the exhaust pipe injector by referring to the BPW map based on the target injection amount and the exhaust pipe injection fuel pressure.

摘要翻译： 一种排气管喷射控制装置，用于与发动机转速无关地控制适当的燃料喷射量。 排气管喷射控制装置包括：目标喷射量设定单元，其根据发动机转速和排气流量设定从排气管喷射器以单次喷射喷射的目标喷射量; 基准脉冲宽度（“BPW”）图，其中排气管喷射器的燃料喷射时间被设定为使得相对于目标喷射量和排气管喷射燃料压力喷射目标喷射量的燃料; 以及排气管喷射执行单元，其基于目标喷射量和排气管喷射燃料压力参照BPW图从排气管喷射器进行喷射。