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1.发明申请公开(公告)号：US20190063295A1
公开(公告)日：2019-02-28
申请号：US15689471
申请日：2017-08-29
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Rafat F. Hattar , Alexander Michel , Simon Schiesser , Nils Oth , Markus Kraft
CPC classification number: F01N9/002 , F01N3/023 , F01N3/025 , F01N3/0256 , F01N3/035 , F01N2900/1602 , F01N2900/1606 , F02D41/123
Abstract: An active regeneration method for a gasoline particulate filter includes determining if a particulate filter soot load level is greater than a predetermined soot load level threshold and, if so, determining if the particulate filter's temperature is greater than a predetermined burn off temperature threshold. A particulate filter heating phase is initiated when the particulate filter's temperature is not greater than a predetermined burn off temperature threshold and a soot burning phase is started when the particulate filter's temperature is greater than a predetermined burn off temperature threshold.
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公开(公告)号：US20150120169A1
公开(公告)日：2015-04-30
申请号：US14523552
申请日：2014-10-24
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Stefan Horst , Alexander Merz , Arnaud Schilly , Bastian Baeck , Florin Korn , Nils Oth
IPC: F02D41/14
CPC classification number: F02D41/1495 , F02D41/1402 , F02D41/1443 , F02D41/1454 , F02D41/1498 , F02D2200/1015 , G01M15/104
Abstract: A method for operating an internal combustion engine is described in which a combustion air ratio (λ) is determined and used to determine a deviation of this combustion air ratio from an in particular default or determined set point combustion air ratio. Spontaneous ignition of the internal combustion engine are detected based on the determined deviation (Δλ) and used to control the operation of the engine.
Abstract translation: 描述了一种操作内燃机的方法，其中确定了燃烧空气比（λ），并用于确定该燃烧空气比与特定默认或确定的设定点燃烧空气比的偏差。 基于确定的偏差（＆Dgr;λ）检测内燃机的自发点火，并用于控制发动机的运行。
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Patent Agency Ranking
公开(公告)号：US09874170B2
公开(公告)日：2018-01-23
申请号：US14523552
申请日：2014-10-24
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Stefan Horst , Alexander Merz , Arnaud Schilly , Bastian Baeck , Florin Korn , Nils Oth
CPC classification number: F02D41/1495 , F02D41/1402 , F02D41/1443 , F02D41/1454 , F02D41/1498 , F02D2200/1015 , G01M15/104
Abstract: A method for operating an internal combustion engine is described in which a combustion air ratio (λ) is determined and used to determine a deviation of this combustion air ratio from an in particular default or determined set point combustion air ratio. Spontaneous ignition of the internal combustion engine are detected based on the determined deviation (Δλ) and used to control the operation of the engine.
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4.发明授权公开(公告)号：US10415453B2
公开(公告)日：2019-09-17
申请号：US15689471
申请日：2017-08-29
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Rafat F. Hattar , Alexander Michel , Simon Schiesser , Nils Oth , Markus Kraft
Abstract: An active regeneration method for a gasoline particulate filter includes determining if a particulate filter soot load level is greater than a predetermined soot load level threshold and, if so, determining if the particulate filter's temperature is greater than a predetermined burn off temperature threshold. A particulate filter heating phase is initiated when the particulate filter's temperature is not greater than a predetermined burn off temperature threshold and a soot burning phase is started when the particulate filter's temperature is greater than a predetermined burn off temperature threshold.
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公开(公告)号：US10167796B2
公开(公告)日：2019-01-01
申请号：US15597625
申请日：2017-05-17
Applicant: GM Global Technology Operations LLC
Inventor： Rafat F. Hattar , Alexander Michel , Simon Schiesser , Nils Oth , Markus Kraft
Abstract: The method determines whether soot loading of a gas particulate filter (GPF) requires regeneration. If it does, the temperature of the GPF is read to determine whether it is sufficiently high to achieve particulate (soot) burning. If it is not, an engine control module is commanded to adjust variables such as spark timing, fuel injection timing and valve timing. If the temperature of the particulate filter is sufficiently high that regeneration can occur, other variables may be adjusted such as leaning the air/fuel mixture, retarding the spark timing, the fuel injection and valve timing. Because the latter adjustments may limit or reduce either engine speed or power, messages in a message center are provided indicating, first, that the driver should continue driving for GPF regeneration and, subsequently, under certain conditions, that the engine power has been reduced. Operation of the motor vehicle proceeds until, based upon sensed conditions or pre-determined experimental or empirical data, the filter has been regenerated.
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公开(公告)号：US20180334977A1
公开(公告)日：2018-11-22
申请号：US15597625
申请日：2017-05-17
Applicant: GM Global Technology Operations LLC
Inventor： Rafat F. Hattar , Alexander Michel , Simon Schiesser , Nils Oth , Markus Kraft
CPC classification number: F02D41/029 , F01N3/021 , F01N9/002 , F01N11/002 , F01N2560/06 , F02D41/0245 , F02D41/025 , F02D41/34 , F02D2200/0802 , F02D2200/0812 , F02D2200/1002 , F02D2200/101 , F02P5/1502
Abstract: The method determines whether soot loading of a gas particulate filter (GPF) requires regeneration. If it does, the temperature of the GPF is read to determine whether it is sufficiently high to achieve particulate (soot) burning. If it is not, an engine control module is commanded to adjust variables such as spark timing, fuel injection timing and valve timing. If the temperature of the particulate filter is sufficiently high that regeneration can occur, other variables may be adjusted such as leaning the air/fuel mixture, retarding the spark timing, the fuel injection and valve timing. Because the latter adjustments may limit or reduce either engine speed or power, messages in a message center are provided indicating, first, that the driver should continue driving for GPF regeneration and, subsequently, under certain conditions, that the engine power has been reduced. Operation of the motor vehicle proceeds until, based upon sensed conditions or pre-determined experimental or empirical data, the filter has been regenerated.
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公开(公告)号：US20150101581A1
公开(公告)日：2015-04-16
申请号：US14514138
申请日：2014-10-14
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Nihad Karacic , Nils Oth
CPC classification number: F02B37/186 , F02B37/16 , F02D41/0007 , F02D2041/2027 , F02D2041/2065 , Y02T10/144
Abstract: A method and apparatus for controlling a boost pressure of a turbocharger is provided. The turbocharger includes a waste gate valve and a waste gate actuator. When the internal combustion engine operates under cold temperature conditions, a steady state temperature of the waste gate actuator is determined and a corrected temperature of the waste gate actuator is estimated as a function of the thermal convection between ambient air and the waste gate actuator. A corrected value of the duty cycle of a pulse width modulated signal is estimated as a function of said corrected temperature and the duty cycle corrected value is used to control the boost pressure of the turbocharger.
Abstract translation: 提供了一种用于控制涡轮增压器的增压压力的方法和装置。 涡轮增压器包括废气门阀和废气门执行器。 当内燃机在低温条件下运行时，确定废门执行器的稳定状态温度，并且根据环境空气与废气门执行器之间的热对流来估计废门执行器的校正温度。 根据所述校正温度来估计脉冲宽度调制信号的占空比的校正值，并且使用占空比校正值来控制涡轮增压器的增压压力。
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