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    MODEL BASED CONTROL OF VALVES FOR TURBINES IN AN ENGINE
    1.
    发明申请
    MODEL BASED CONTROL OF VALVES FOR TURBINES IN AN ENGINE 审中-公开

    公开(公告)号：US20190153932A1

    公开(公告)日：2019-05-23

    申请号：US15819406

    申请日：2017-11-21

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Yue-Yun Wang ,  Joerg Bernards

    IPC: F02B37/18 ,  F02D41/26 ,  F02D41/24 ,  F02B37/013

    Abstract: An engine assembly includes an engine, a first turbine operatively connected to the engine, a first valve configured to modulate flow to the first turbine, a controller configured to transmit a primary command signal to the first valve and at least one sensor configured to transmit a sensor feedback to the controller. The controller is configured to obtain a first model output based at least partially on a desired total compressor pressure ratio (βc). A first delta factor is obtained based at least partially on the desired total compressor pressure ratio (βc) and the sensor feedback. The controller is configured to obtain a first valve optimal position based at least partially on the first model output and the first delta factor. The output of the engine is controlled by commanding the first valve to the first valve optimal position.

    METHOD OF ESTIMATING THE BOOST CAPABILITY OF A TURBOCHARGED INTERNAL COMBUSTION ENGINE
    2.
    发明申请
    METHOD OF ESTIMATING THE BOOST CAPABILITY OF A TURBOCHARGED INTERNAL COMBUSTION ENGINE 有权
    估计内燃机涡轮增压能力的方法

    公开(公告)号：US20150101578A1

    公开(公告)日：2015-04-16

    申请号：US14514170

    申请日：2014-10-14

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Martin Suchy ,  Joerg Bernards ,  Alexander Klein

    IPC: F02D41/00 ,  F02M25/07

    CPC classification number: F02D41/0007 ,  F02B2037/122 ,  F02D41/1445 ,  F02D41/1446 ,  F02D2041/1433 ,  F02D2200/0402 ,  F02D2200/0408 ,  F02M26/05 ,  Y02T10/144

    Abstract: A method of estimating a boost pressure of a turbocharger is disclosed. A throttle body temperature is estimated as a function of engine operating parameters. An intake air mass flow and an exhaust mass flow are estimated as a function of the throttle body temperature. A turbine inlet pressure and a turbine outlet pressure are estimated as a function of engine operating parameters. A turbine speed is estimated as a function of the intake air mass flow, exhaust mass flow and turbine inlet and outlet pressure. The boost pressure is estimated as a function of the turbine speed. Estimation of the maximum boost pressure of a turbocharged internal combustion engine is performed method cyclically as follows: estimating a throttle temperature, estimating an air mass flow and an exhaust mass flow, estimating a turbine inlet pressure and a turbine outlet pressure, estimating a turbine speed, and estimating the maximum boost pressure.

    Abstract translation: 公开了一种估计涡轮增压器的增压压力的方法。 作为发动机工作参数的函数估计节气门体温。 估计进气质量流量和排气质量流量作为节气门体温度的函数。 涡轮进口压力和涡轮出口压力被估计为发动机工作参数的函数。 涡轮速度被估计为进气质量流量，排气质量流量和涡轮机入口压力和出口压力的函数。 推动压力被估计为涡轮机速度的函数。 涡轮增压内燃机的最大增压压力的估计是循环地执行如下：估计节气门温度，估计空气质量流量和排气质量流量，估计涡轮机入口压力和涡轮机出口压力，估计涡轮机转速 ，并估计最大增压压力。

    CONTROL OF AN INTERNAL COMBUSTION ENGINE EMPLOYING A WASTE-GATED TURBOCHARGER
    4.
    发明申请
    CONTROL OF AN INTERNAL COMBUSTION ENGINE EMPLOYING A WASTE-GATED TURBOCHARGER 审中-公开

    公开(公告)号：US20180306102A1

    公开(公告)日：2018-10-25

    申请号：US15496819

    申请日：2017-04-25

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Yue-Yun Wang ,  Martin Suchy ,  Joerg Bernards

    IPC: F02B37/18

    CPC classification number: F02B37/186 ,  F02B37/16 ,  F02B37/18 ,  F02B37/22 ,  F05B2220/40 ,  Y02T10/144

    Abstract: An internal combustion engine has a cylinder configured to combust an air-fuel mixture and expel an exhaust gas and a turbocharger for generating a pressurized airflow to the cylinder. The turbocharger includes a turbine scroll defining an inlet and an outlet, an exhaust gas driven rotating assembly having a turbine wheel disposed inside the turbine scroll, and a waste-gate defining an opening. A first sensor detects turbine outlet pressure. A second sensor detects turbine inlet temperature. A controller determines an effective area of the waste-gate opening and an exhaust gas mass flow-rate. The controller also determines a turbine inlet pressure in response to the detected turbine outlet pressure and the turbine inlet temperature, and the determined waste-gate opening effective area and the exhaust gas mass flow-rate. The controller additionally regulates a supply of fuel to the cylinder corresponding to the pressurized airflow affected by the determined turbine inlet pressure.

    Fuel injection control of a turbocharged internal combustion engine
    7.
    发明授权
    Fuel injection control of a turbocharged internal combustion engine 有权

    公开(公告)号：US10260405B2

    公开(公告)日：2019-04-16

    申请号：US15496819

    申请日：2017-04-25

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Yue-Yun Wang ,  Martin Suchy ,  Joerg Bernards

    IPC: F02B37/16 ,  F02B37/22 ,  F02B37/18

    Abstract: An internal combustion engine has a cylinder configured to combust an air-fuel mixture and expel an exhaust gas and a turbocharger for generating a pressurized airflow to the cylinder. The turbocharger includes a turbine scroll defining an inlet and an outlet, an exhaust gas driven rotating assembly having a turbine wheel disposed inside the turbine scroll, and a waste-gate defining an opening. A first sensor detects turbine outlet pressure. A second sensor detects turbine inlet temperature. A controller determines an effective area of the waste-gate opening and an exhaust gas mass flow-rate. The controller also determines a turbine inlet pressure in response to the detected turbine outlet pressure and the turbine inlet temperature, and the determined waste-gate opening effective area and the exhaust gas mass flow-rate. The controller additionally regulates a supply of fuel to the cylinder corresponding to the pressurized airflow affected by the determined turbine inlet pressure.

    METHOD FOR THE LOAD-DEPENDENT OPENING AND CLOSING OF A BLOW-OFF VALVE FLAP OF AN INTERNAL COMBUSTION ENGINE WITH A TURBOCHARGER
    9.
    发明申请
    METHOD FOR THE LOAD-DEPENDENT OPENING AND CLOSING OF A BLOW-OFF VALVE FLAP OF AN INTERNAL COMBUSTION ENGINE WITH A TURBOCHARGER 有权
    用于涡轮增压器的内燃机发动机关闭阀瓣的负载开启和关闭方法

    公开(公告)号：US20150128588A1

    公开(公告)日：2015-05-14

    申请号：US14541990

    申请日：2014-11-14

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Gerhard Landsmann ,  Baris Camurtay ,  Joerg Bernards

    IPC: F02D41/00 ,  F02B37/12

    CPC classification number: F02D41/0007 ,  F02B37/18 ,  F02D41/18 ,  F02D2041/1433 ,  F02D2200/0406 ,  F02D2200/604 ,  F02D2200/606 ,  Y02T10/144

    Abstract: A method for the load-dependent opening and closing of a blow-off valve flap of an internal combustion engine with a turbocharger is provided, in which by at least one detector on an internal combustion engine inlet side, at least one air pressure value, one air mass flow value and/or an opening position of a valve of the suction pipe are detected and transmitted to a control device. By the control device from the received values a current load of the internal combustion engine is determined, and by the control device based on the determined current load of the internal combustion engine and/or of the turbocharger, control inputs for an actuator of the blow-off valve flap are generated and transmitted to the actuator. The blow-off valve flap is completely opened, partially opened, minimally opened or closed and held in the respective position by the actuator dependent on the current load.

    Abstract translation: 提供了一种用于具有涡轮增压器的内燃机的排气阀瓣的负载依赖性打开和关闭的方法，其中通过内燃机入口侧的至少一个检测器，至少一个空气压力值， 检测吸入管的阀的一个空气质量流量值和/或打开位置并将其传送到控制装置。 通过控制装置从接收值确定内燃机的当前负载，并且通过控制装置基于确定的内燃机和/或涡轮增压器的当前负载，确定吹气致动器的控制输入 产生阀瓣并将其传递到执行机构。 吹出阀瓣完全打开，部分打开，最小程度地打开或关闭，并由致动器保持在相应的位置，取决于当前负载。

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