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1. 发明申请

US20130226437A1 AIR-FUEL RATIO VARIATION ABNORMALITY DETECTING DEVICE AND AIR-FUEL RATIO VARIATION ABNORMALITY DETECTING METHOD 有权
标题翻译：空燃比变异异常检测装置和空燃比变异异常检测方法
公开(公告)号：US20130226437A1
公开(公告)日：2013-08-29
申请号：US13772935
申请日：2013-02-21
申请人： Toshihiro Kato , Isao Nakajima , Kiyotaka Kushihama , Tatsuro Shimada , Shinichi Nakagoshi
发明人： Toshihiro Kato , Isao Nakajima , Kiyotaka Kushihama , Tatsuro Shimada , Shinichi Nakagoshi
IPC分类号： F02D41/30
CPC分类号： F02D41/30 , F02D41/1441 , F02D41/1495 , F02D41/221 , F02D41/3094
摘要： In an engine having a plurality of cylinders in which a plurality of fuel injection valves are provided respectively, fuel is injected at a predetermined injection ratio, and an abnormality of air-fuel ratio variation is detected. If a fuel injection amount of at least one of the plurality of the fuel injection valves is smaller than a predetermined reference value, the fuel injection amount is increased so as to become equal to or larger than the reference value.
摘要翻译：在具有分别设置有多个燃料喷射阀的多个气缸的发动机中，以预定的喷射比率喷射燃料，并检测空燃比变动的异常。如果多个燃料喷射阀中的至少一个燃料喷射阀的燃料喷射量小于预定的基准值，则燃料喷射量增加到等于或大于基准值。

2. 发明授权

US09043121B2 Air-fuel ratio variation abnormality detecting device and air-fuel ratio variation abnormality detecting method 有权
标题翻译：空燃比变动异常检测装置和空燃比变动异常检测方法
公开(公告)号：US09043121B2
公开(公告)日：2015-05-26
申请号：US13772935
申请日：2013-02-21
申请人： Toshihiro Kato , Isao Nakajima , Kiyotaka Kushihama , Tatsuro Shimada , Shinichi Nakagoshi
发明人： Toshihiro Kato , Isao Nakajima , Kiyotaka Kushihama , Tatsuro Shimada , Shinichi Nakagoshi
IPC分类号： B60T7/12 , G05D1/00 , G06F7/00 , G06F17/00 , F02D41/30 , F02D41/14 , F02D41/22
CPC分类号： F02D41/30 , F02D41/1441 , F02D41/1495 , F02D41/221 , F02D41/3094
摘要： In an engine having a plurality of cylinders in which a plurality of fuel injection valves are provided respectively, fuel is injected at a predetermined injection ratio, and an abnormality of air-fuel ratio variation is detected. If a fuel injection amount of at least one of the plurality of the fuel injection valves is smaller than a predetermined reference value, the fuel injection amount is increased so as to become equal to or larger than the reference value.
摘要翻译：在具有分别设置有多个燃料喷射阀的多个气缸的发动机中，以预定的喷射比率喷射燃料，并检测空燃比变动的异常。如果多个燃料喷射阀中的至少一个燃料喷射阀的燃料喷射量小于预定的基准值，则燃料喷射量增加到等于或大于基准值。

3. 发明授权

US08620564B2 Abnormality detection apparatus and abnormality detection method for multi-cylinder internal combustion engine 有权
标题翻译：多气缸内燃机异常检测装置及异常检测方法
公开(公告)号：US08620564B2
公开(公告)日：2013-12-31
申请号：US13480921
申请日：2012-05-25
申请人： Masashi Hakariya , Isao Nakajima , Yoshihisa Oda , Hitoshi Tanaka , Kiyotaka Kushihama , Shota Kitano , Kazuyuki Noda , Katsumi Adachi , Yuichi Kohara , Akihiro Katayama
发明人： Masashi Hakariya , Isao Nakajima , Yoshihisa Oda , Hitoshi Tanaka , Kiyotaka Kushihama , Shota Kitano , Kazuyuki Noda , Katsumi Adachi , Yuichi Kohara , Akihiro Katayama
IPC分类号： B60T7/12 , G05D1/00 , G06F7/00 , G06F17/00
CPC分类号： F02D41/1498 , F02D41/0085 , F02D41/1495 , F02D41/22 , F02D41/3076
摘要： An abnormality detection apparatus for a multi-cylinder internal combustion engine changes a fuel injection quantity of a predetermined target cylinder to detect an abnormality of an internal combustion engine based on values of rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity. The abnormality detection apparatus corrects the values of the rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity based on at least one of the number of revolutions of the engine and an engine load at a corresponding detection time.
摘要翻译：用于多气缸内燃机的异常检测装置根据与在目标气缸的变化之前和之后检测到的目标气缸相关的旋转变化的值来改变预定目标气缸的燃料喷射量以检测内燃机的异常燃油喷射量。异常检测装置在相应的检测时间的基础上，基于发动机的转数和发动机负荷中的至少一方来校正与燃料喷射量的变化前后检测到的目标气缸的旋转变动的值。

4. 发明授权

US08892337B2 Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders in multi-cylinder internal combustion engine 有权
标题翻译：用于检测多缸内燃机气缸之间空燃比不平衡异常的装置
公开(公告)号：US08892337B2
公开(公告)日：2014-11-18
申请号：US13386260
申请日：2011-03-28
申请人： Shota Kitano , Hitoshi Tanaka , Isao Nakajima , Yoshihisa Oda , Masashi Hakariya , Kiyotaka Kushihama , Kazuyuki Noda , Akihiro Katayama , Yuichi Kohara , Katsumi Adachi
发明人： Shota Kitano , Hitoshi Tanaka , Isao Nakajima , Yoshihisa Oda , Masashi Hakariya , Kiyotaka Kushihama , Kazuyuki Noda , Akihiro Katayama , Yuichi Kohara , Katsumi Adachi
IPC分类号： F02D41/22 , F02D41/30 , F02D41/14 , F02D41/12 , F02D41/00
CPC分类号： F02D41/0085 , F02D41/126 , F02D41/1441 , F02D41/1443 , F02D41/1456 , F02D41/1498 , F02D2200/0816 , F02D2200/1012
摘要： An apparatus for detecting imbalance abnormality in an air-fuel ratio between cylinders in a multi-cylinder internal combustion engine according to the present invention increases a fuel injection quantity to a predetermined target cylinder to detect imbalance abnormality in an air-fuel ratio between cylinders at least based upon a rotation variation of the target cylinder after increasing the fuel injection quantity. The increase in the fuel injection quantity is carried out in the middle of performing the post-fuel-cut rich control. Since timing of the post-fuel cut rich control is used to increase the fuel injection quantity, the exhaust emission deterioration due to abnormality detection execution can be prevented as much as possible.
摘要翻译：根据本发明的用于检测多缸内燃机中的气缸之间的空燃比的不平衡异常的装置将预定目标气缸的燃料喷射量增加以检测气缸之间的空燃比的不平衡异常至少基于在增加燃料喷射量之后目标气缸的旋转变化。燃料喷射量的增加在执行后燃料切断浓缩控制的中间进行。由于使用后燃料切断浓缩控制的定时来增加燃料喷射量，所以可以尽可能地防止由异常检测执行引起的废气劣化。

5. 发明授权

US08281650B2 Misfire determination device and misfire determination method for internal combustion engine 有权
标题翻译：内燃机失火判定装置及失火判定方法
公开(公告)号：US08281650B2
公开(公告)日：2012-10-09
申请号：US12500018
申请日：2009-07-09
申请人： Kiyotaka Kushihama , Yohei Moriyama
发明人： Kiyotaka Kushihama , Yohei Moriyama
IPC分类号： G01M15/04
CPC分类号： G01M15/11
摘要： When a rotation fluctuation amount of an engine exceeds a predetermined threshold, it is determined that there is a possibility that a misfire has occurred. Then, when a rotation fluctuation pattern of the engine coincides with a first rotation fluctuation pattern, it is determined that a misfire has occurred; whereas, when the rotation fluctuation pattern does not coincide with the first rotation fluctuation pattern, it is determined whether the rotation fluctuation pattern coincides with a specific rotation fluctuation pattern in consideration of a lock-up state of a lock-up clutch or whether an engine rotational speed is lower than a threshold. When the determination is affirmative, occurrence of a misfire is determined on the basis of whether the rotation fluctuation pattern of the engine coincides with a second misfire determination pattern that is defined to be smaller in variation of a rotation fluctuation amount than the first rotation fluctuation pattern.
摘要翻译：当发动机的旋转变动量超过规定的阈值时，判断为发生失火的可能性。然后，当发动机的旋转波动模式与第一旋转波动模式一致时，判断为发生失火; 而当旋转波动图案与第一旋转波动图案不一致时，考虑到锁止离合器的锁定状态或发动机是否确定旋转波动图案是否与特定旋转波动图案一致转速低于阈值。当确定为肯定时，基于发动机的旋转波动模式是否与限定为比第一旋转波动模式的旋转变动量的变化更小的第二失火判定模式来确定失火的发生。

6. 发明申请

US20120303248A1 ABNORMALITY DETECTION APPARATUS AND ABNORMALITY DETECTION METHOD FOR MULTI-CYLINDER INTERNAL COMBUSTION ENGINE 有权
标题翻译：多缸内燃机异常检测装置及异常检测方法
公开(公告)号：US20120303248A1
公开(公告)日：2012-11-29
申请号：US13480921
申请日：2012-05-25
申请人： Masashi Hakariya , Isao Nakajima , Yoshihisa Oda , Hitoshi Tanaka , Kiyotaka Kushihama , Shota Kitano , Kazuyuki Noda , Katsumi Adachi , Yuichi Kohara , Akihiro Katayama
发明人： Masashi Hakariya , Isao Nakajima , Yoshihisa Oda , Hitoshi Tanaka , Kiyotaka Kushihama , Shota Kitano , Kazuyuki Noda , Katsumi Adachi , Yuichi Kohara , Akihiro Katayama
IPC分类号： F02D41/30 , F02D41/26
CPC分类号： F02D41/1498 , F02D41/0085 , F02D41/1495 , F02D41/22 , F02D41/3076
摘要： An abnormality detection apparatus for a multi-cylinder internal combustion engine changes a fuel injection quantity of a predetermined target cylinder to detect an abnormality of an internal combustion engine based on values of rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity. The abnormality detection apparatus corrects the values of the rotational variations relating to the target cylinder detected before and after the change of the fuel injection quantity based on at least one of the number of revolutions of the engine and an engine load at a corresponding detection time.
摘要翻译：用于多气缸内燃机的异常检测装置根据与在目标气缸的变化之前和之后检测到的目标气缸相关的旋转变化的值来改变预定目标气缸的燃料喷射量以检测内燃机的异常燃油喷射量。异常检测装置在相应的检测时间的基础上，基于发动机的转数和发动机负荷中的至少一方来校正与燃料喷射量的变化前后检测到的目标气缸的旋转变动的值。

7. 发明申请

US20120253642A1 APPARATUS FOR DETECTING IMBALANCE ABNORMALITY IN AIR-FUEL RATIO BETWEEN CYLINDERS IN MULTI-CYLINDER INTERNAL COMBUSTION ENGINE 有权
标题翻译：用于检测多缸内燃机中气缸之间的空燃比不平衡异常的装置
公开(公告)号：US20120253642A1
公开(公告)日：2012-10-04
申请号：US13386260
申请日：2011-03-28
申请人： Shota Kitano , Hitoshi Tanaka , Isao Nakajima , Yoshihisa Oda , Masashi Hakariya , Kiyotaka Kushihama , Kazuyuki Noda , Akihiro Katayama , Yuichi Kohara , Katsumi Adachi
发明人： Shota Kitano , Hitoshi Tanaka , Isao Nakajima , Yoshihisa Oda , Masashi Hakariya , Kiyotaka Kushihama , Kazuyuki Noda , Akihiro Katayama , Yuichi Kohara , Katsumi Adachi
IPC分类号： F02D41/30
CPC分类号： F02D41/0085 , F02D41/126 , F02D41/1441 , F02D41/1443 , F02D41/1456 , F02D41/1498 , F02D2200/0816 , F02D2200/1012
摘要： An apparatus for detecting imbalance abnormality in an air-fuel ratio between cylinders in a multi-cylinder internal combustion engine according to the present invention increases a fuel injection quantity to a predetermined target cylinder to detect imbalance abnormality in an air-fuel ratio between cylinders at least based upon a rotation variation of the target cylinder after increasing the fuel injection quantity. The increase in the fuel injection quantity is carried out in the middle of performing the post-fuel-cut rich control. Since timing of the post-fuel cut rich control is used to increase the fuel injection quantity, the exhaust emission deterioration due to abnormality detection execution can be prevented as much as possible.
摘要翻译：根据本发明的用于检测多缸内燃机中的气缸之间的空燃比的不平衡异常的装置将预定目标气缸的燃料喷射量增加以检测气缸之间的空燃比的不平衡异常至少基于在增加燃料喷射量之后目标气缸的旋转变化。燃料喷射量的增加在执行后燃料切断浓缩控制的中间进行。由于使用后燃料切断浓缩控制的定时来增加燃料喷射量，所以可以尽可能地防止由异常检测执行引起的废气劣化。

8. 发明申请

US20100031736A1 MISFIRE DETERMINATION DEVICE AND MISFIRE DETERMINATION METHOD FOR INTERNAL COMBUSTION ENGINE 有权
标题翻译：内燃机故障确定装置及故障检测方法
公开(公告)号：US20100031736A1
公开(公告)日：2010-02-11
申请号：US12500018
申请日：2009-07-09
申请人： Kiyotaka Kushihama , Yohei Moriyama
发明人： Kiyotaka Kushihama , Yohei Moriyama
IPC分类号： G01M15/04
CPC分类号： G01M15/11
摘要： When a rotation fluctuation amount of an engine exceeds a predetermined threshold, it is determined that there is a possibility that a misfire has occurred. Then, when a rotation fluctuation pattern of the engine coincides with a first rotation fluctuation pattern, it is determined that a misfire has occurred; whereas, when the rotation fluctuation pattern does not coincide with the first rotation fluctuation pattern, it is determined whether the rotation fluctuation pattern coincides with a specific rotation fluctuation pattern in consideration of a lock-up state of a lock-up clutch or whether an engine rotational speed is lower than a threshold. When the determination is affirmative, occurrence of a misfire is determined on the basis of whether the rotation fluctuation pattern of the engine coincides with a second misfire determination pattern that is defined to be smaller in variation of a rotation fluctuation amount than the first rotation fluctuation pattern.
摘要翻译：当发动机的旋转变动量超过规定的阈值时，判断为发生失火的可能性。然后，当发动机的旋转波动模式与第一旋转波动模式一致时，判断为发生失火; 而当旋转波动图案与第一旋转波动图案不一致时，考虑到锁止离合器的锁定状态或发动机是否确定旋转波动图案是否与特定旋转波动图案一致转速低于阈值。当确定为肯定时，基于发动机的旋转波动模式是否与限定为比第一旋转波动模式的旋转变动量的变化更小的第二失火判定模式来确定失火的发生。

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