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公开(公告)号：US10914262B1
公开(公告)日：2021-02-09
申请号：US16573006
申请日：2019-09-17
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Patricia M. Laskowsky , Dana J. Suttman , Jin Shen , Jeffrey M. Hutmacher
Abstract: Methods and systems are provided for monitoring a fuel injector of an internal combustion engine. In one embodiment, a method includes: receiving a set of feature data, the feature data sensed from a fuel injector during a fuel injection event; processing, by a processor, the set of feature data with a machine learning model to generate a prediction of a fault status; and selectively generating, by the processor, a notification signal based on the prediction.
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公开(公告)号：US20140100728A1
公开(公告)日：2014-04-10
申请号：US13647471
申请日：2012-10-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Christopher E. Whitney , Jeffrey M. Hutmacher , J. Michael Ellenberger , James B. Nicholson , Rafat F. Hattar
CPC classification number: B60W10/06 , B60W10/08 , B60W20/16 , B60W2710/0644 , B60W2710/0666 , B60W2710/0683 , B60W2710/0694 , B60Y2300/474 , F02D37/02 , F02D41/0205 , F02D41/0255 , F02D41/064 , F02D2200/0406 , F02P5/1506 , Y02T10/26 , Y02T10/46 , Y02T10/54 , Y02T10/6286
Abstract: A method of warming a catalyst of an exhaust gas treatment system of a hybrid vehicle includes transitioning a rotational speed of an engine to within a pre-defined speed range with an electric motor, and reducing an engine manifold pressure to within a pre-defined pressure range. The engine is fueled after the rotational speed of the engine is within the pre-defined speed range, and the engine manifold pressure is within the pre-defined pressure range. While the engine is being fueled, the engine manifold pressure is increased to within a catalyst light-off pressure range, and the torque output of the engine is increased to within a catalyst light-off operating torque range. The exhaust gas produced from the operation of the engine within the pre-defined speed range, within the catalyst light-off pressure range, and within the catalyst light-off operating torque range heats the catalyst while minimizing emissions.
Abstract translation: 一种对混合动力车辆的废气处理系统的催化剂进行加温的方法包括使用电动机将发动机的转速转换到预定的速度范围内，并且将发动机歧管压力降低到预定压力内 范围。 发动机在发动机的转速处于预定的速度范围内并且发动机歧管压力在预定的压力范围内的情况下燃油。 当发动机正在燃料时，发动机歧管压力增加到催化剂熄灭压力范围内，并且发动机的扭矩输出增加到催化剂熄灭操作转矩范围内。 在预定速度范围内，在催化剂熄灭压力范围内，并且在催化剂熄灭操作转矩范围内，由发动机运转产生的废气加热催化剂同时最小化排放。
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公开(公告)号：US20210079864A1
公开(公告)日：2021-03-18
申请号：US16573109
申请日：2019-09-17
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Jin Shen , Jeffrey M. Hutmacher , Patricia M. Laskowsky , Dana J. Suttman , Iman Mohammadrezazadeh , Ruggero Scorcioni , Vincent DeSapio
Abstract: Methods and systems are provided for monitoring a fuel injector of an internal combustion engine. In one embodiment, a method includes: receiving a set of feature data, the feature data sensed from a fuel injector during a fuel injection event; processing, by a processor, the set of feature data with a decision tree model to generate a prediction of a fault status; and selectively generating, by the processor, a notification signal based on the prediction.
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公开(公告)号：US20180030918A1
公开(公告)日：2018-02-01
申请号：US15220136
申请日：2016-07-26
Applicant: GM Global Technology Operations LLC
Inventor： Jesse Michael Gwidt , Jeffrey M. Hutmacher , Rafat F. Hattar
CPC classification number: F02D41/402 , F01N3/101 , F01N3/2066 , F01N11/005 , F01N11/007 , F01N2430/08 , F01N2550/02 , F01N2900/0416 , F01N2900/0422 , F01N2900/08 , F01N2900/1602 , F02D35/028 , F02D41/024 , F02D41/027 , F02D41/401 , F02D2200/0802 , F02P5/145
Abstract: A method for operating a spark-ignition direct-injection internal combustion engine coupled to an exhaust aftertreatment system including a catalytic converter includes monitoring an operating state of the catalytic converter. The method further includes determining if a piston of the engine is entering an intake stroke. The method further includes injecting a first quantity of fuel into a cylinder in which the piston of the engine is entering the intake stroke, and injecting a second quantity of fuel into the cylinder in which the piston of the engine is entering the intake stroke.
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公开(公告)号：US08838316B2
公开(公告)日：2014-09-16
申请号：US13647471
申请日：2012-10-09
Applicant: GM Global Technology Operations LLC
Inventor： Christopher E. Whitney , Jeffrey M. Hutmacher , J Michael Ellenberger , James B. Nicholson , Rafat F Hattar
CPC classification number: B60W10/06 , B60W10/08 , B60W20/16 , B60W2710/0644 , B60W2710/0666 , B60W2710/0683 , B60W2710/0694 , B60Y2300/474 , F02D37/02 , F02D41/0205 , F02D41/0255 , F02D41/064 , F02D2200/0406 , F02P5/1506 , Y02T10/26 , Y02T10/46 , Y02T10/54 , Y02T10/6286
Abstract: A method of warming a catalyst of an exhaust gas treatment system of a hybrid vehicle includes transitioning a rotational speed of an engine to within a pre-defined speed range with an electric motor, and reducing an engine manifold pressure to within a pre-defined pressure range. The engine is fueled after the rotational speed of the engine is within the pre-defined speed range, and the engine manifold pressure is within the pre-defined pressure range. While the engine is being fueled, the engine manifold pressure is increased to within a catalyst light-off pressure range, and the torque output of the engine is increased to within a catalyst light-off operating torque range. The exhaust gas produced from the operation of the engine within the pre-defined speed range, within the catalyst light-off pressure range, and within the catalyst light-off operating torque range heats the catalyst while minimizing emissions.
Abstract translation: 一种对混合动力车辆的废气处理系统的催化剂进行加温的方法包括使用电动机将发动机的转速转换到预定的速度范围内，并且将发动机歧管压力降低到预定压力内 范围。 发动机在发动机的转速处于预定的速度范围内并且发动机歧管压力在预定的压力范围内的情况下燃油。 当发动机正在燃料时，发动机歧管压力增加到催化剂熄灭压力范围内，并且发动机的扭矩输出增加到催化剂熄灭操作转矩范围内。 在预定速度范围内，在催化剂熄灭压力范围内，并且在催化剂熄灭操作转矩范围内，由发动机运转产生的废气加热催化剂同时最小化排放。
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Patent Agency Ranking
公开(公告)号：US12196148B1
公开(公告)日：2025-01-14
申请号：US18755158
申请日：2024-06-26
Applicant: GM Global Technology Operations LLC
Inventor： Jesse Michael Gwidt , Mark Daniel Carr , Jeffrey M. Hutmacher
Abstract: A method for controlling a plurality of fuel injectors for a vehicle may include determining a total fuel mass for a combustion stage in a cylinder. The method further may include determining a first injection mass for a first fuel injector and a second injection mass for a second fuel injector. A sum of the first injection mass and the second injection mass is equal to the total fuel mass. The first fuel injector and the second fuel injector are configured to provide fuel to the cylinder. A first minimum mass per pulse of the first fuel injector is greater than a second minimum mass per pulse of the second fuel injector. The method further may include controlling the first fuel injector and the second fuel injector based at least in part on the first injection mass and the second injection mass.
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公开(公告)号：US11773791B1
公开(公告)日：2023-10-03
申请号：US17987085
申请日：2022-11-15
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： J. Michael Gwidt , Daniel P. Himes , Mark D. Carr , Jonathan A. Law , Jeffrey M. Hutmacher
CPC classification number: F02D13/0219 , F02D41/221 , F02D41/3017 , F02D41/402 , F02D41/403 , F02D41/405 , F02D2041/224 , F02D2200/0618 , F02D2200/1015
Abstract: Presented are multi-pulse fuel injection systems for monitoring engine fuel injectors for missed pulses, methods for making/using such systems, and vehicles equipped with such systems. A method of operating a fuel injection system includes an engine controller determining if the system's injectors are operating in a multi-pulse mode for injecting multiple fuel pulses per combustion cycle to an engine's cylinders and, if so, monitoring pulse signals transmitted to the injectors for injecting the multiple fuel pulses. For each combustion cycle for each injector, the controller flags a cylinder misfire if any one of the fuel pulses for that combustion cycle is missed. For each cylinder, the controller calculates a misfire ratio of a total number of cylinder misfires to a total number of combustion cycles; if one of these misfire ratios exceeds a calibrated misfire limit, the controller commands a resident subsystem to execute control operations to mitigate the misfires.
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公开(公告)号：US11236695B2
公开(公告)日：2022-02-01
申请号：US16573109
申请日：2019-09-17
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Jin Shen , Jeffrey M. Hutmacher , Patricia M. Laskowsky , Dana J. Suttman , Iman Mohammadrezazadeh , Ruggero Scorcioni , Vincent DeSapio
Abstract: Methods and systems are provided for monitoring a fuel injector of an internal combustion engine. In one embodiment, a method includes: receiving a set of feature data, the feature data sensed from a fuel injector during a fuel injection event; processing, by a processor, the set of feature data with a decision tree model to generate a prediction of a fault status; and selectively generating, by the processor, a notification signal based on the prediction.
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公开(公告)号：US10526992B2
公开(公告)日：2020-01-07
申请号：US15479855
申请日：2017-04-05
Applicant: GM Global Technology Operations LLC
Inventor： Christopher E. Whitney , Kevin C. Wong , Marcus S. Gilbert , Jeffrey M. Hutmacher
Abstract: A method to detect and mitigate sensor degradation in an automobile system includes: collecting output signal data from at least one of a sensor and an actuator which is outputting the signal data related to operational parameters of a vehicle system; placing the sensor or the actuator in communication with a fault box used to purposely corrupt the output signal data; analyzing patterns of the output signal data compared to signal data from a nominal operating sensor or actuator using an artificial intelligence program; identifying when a statistical range of the patterns exceeds a first threshold level; and modifying a control signal to change the operational parameters of the vehicle system.
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公开(公告)号：US10066576B2
公开(公告)日：2018-09-04
申请号：US15220136
申请日：2016-07-26
Applicant: GM Global Technology Operations LLC
Inventor： Jesse Michael Gwidt , Jeffrey M. Hutmacher , Rafat F. Hattar
Abstract: A method for operating a spark-ignition direct-injection internal combustion engine coupled to an exhaust aftertreatment system including a catalytic converter includes monitoring an operating state of the catalytic converter. The method further includes determining if a piston of the engine is entering an intake stroke. The method further includes injecting a first quantity of fuel into a cylinder in which the piston of the engine is entering the intake stroke, and injecting a second quantity of fuel into the cylinder in which the piston of the engine is entering the intake stroke.
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