公开(公告)号：US07779819B2

公开(公告)日：2010-08-24

申请号：US12168086

申请日：2008-07-04

申请人： Gabriele Serra ,  Matteo De Cesare

发明人： Gabriele Serra ,  Matteo De Cesare

IPC分类号： F02M37/00 ,  F02M57/02 ,  F02M59/36 ,  G01M15/00

CPC分类号： F04B49/03 ,  F02D41/3845 ,  F02D41/3863 ,  F02D2041/224 ,  F02M63/025 ,  F02M65/00 ,  F04B51/00

摘要： Control method for an overpressure valve in a common-rail fuel supply system, the method including the phases of: delivering fuel under pressure, via a high-pressure pump, to a common rail equipped with the overpressure valve that is set to discharge the fuel present in the common rail into a discharge line when the fuel pressure inside the common rail exceeds a safety value; piloting, during a diagnostic test, the high-pressure pump to increase the fuel pressure inside the common rail beyond the safety value in order to trigger operation of the overpressure valve; determining, during the diagnostic test, the flow of the high-pressure pump and/or the fuel pressure inside the common rail; and comparing the flow of the high-pressure pump and/or the fuel pressure inside the common rail during the diagnostic test with respective threshold values.

摘要翻译： 共轨燃料供给系统中的超压阀的控制方法，该方法包括以下阶段：将压力下的燃料经由高压泵输送到配备有过压阀的共轨，该超压阀被设定为排出燃料 当共轨内的燃料压力超过安全值时，在共轨中存在排放管线; 在诊断测试期间，引导高压泵将共轨内的燃油压力超过安全值，以触发超压阀的运行; 在诊断测试期间，确定高压泵的流动和/或共轨内的燃料压力; 以及在诊断测试期间将高压泵的流量和/或共轨内的燃料压力与相应的阈值进行比较。

公开(公告)号：US20120010848A1

公开(公告)日：2012-01-12

申请号：US13151709

申请日：2011-06-02

申请人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

发明人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

IPC分类号： G06F15/00 ,  G01H5/00

CPC分类号： F02D41/0007 ,  F01D17/06 ,  F01N1/168 ,  F02B29/0418 ,  F02B37/12 ,  F02B37/18 ,  F02B39/00 ,  F02B2037/122 ,  F02D23/02 ,  F02D2041/288 ,  F02D2200/025 ,  G01P3/48 ,  Y02T10/144 ,  Y02T10/146

摘要： A method for determining the rotation speed of at least one supercharger in an internal combustion engine; the method includes detecting, by means of a microphone, the intensity of a sound signal generated by the rotation of the supercharger and determining the evolution of the frequency content of the sound signal over time; determining, completely irrespective of the sound signal, a first estimation of the rotation speed of the supercharger by means of which an interval of plausible frequencies for the rotation speed of the supercharger may be determined; determining a second estimation of the rotation speed of the supercharger according to the frequency content of the sound signal within the interval of plausible frequencies and validating the second estimation of the rotation speed of the supercharger by means of the first estimation of the rotation speed of the supercharger.

摘要翻译： 一种用于确定内燃机中至少一个增压器的转速的方法; 该方法包括通过麦克风检测由增压器的旋转产生的声音信号的强度，并确定声音信号随时间的频率内容的演变; 确定完全不管声音信号，对增压器的转速的第一估计，借助于该增压器的旋转速度可以确定增压器的转速的合理频率的间隔; 根据在合理频率的间隔内的声音信号的频率含量来确定增压器的转速的第二估计，并通过对增压器的转速的第一估计来验证增压器的转速的第二估计 增压器

公开(公告)号：US07528346B2

公开(公告)日：2009-05-05

申请号：US11418458

申请日：2006-05-05

申请人： Gabriele Serra ,  Matteo De Cesare

发明人： Gabriele Serra ,  Matteo De Cesare

IPC分类号： F23Q7/22 ,  F02B53/12

CPC分类号： F02P19/025 ,  F02D35/025

摘要： An internal combustion engine comprising at least one cylinder provided with at least one glow plug adapted to heat a variable volume combustion chamber within the cylinder, and an electronic control unit which in turn comprises an estimation module adapted to estimate the temperature of the glow plug within the combustion chamber and a control module which is adapted to drive the glow plug as a function of the estimated temperature.

摘要翻译： 一种内燃机，包括设置有至少一个电热塞的至少一个气缸，所述至少一个电热塞适于加热所述气缸内的可变体积燃烧室，所述电子控制单元又包括估计模块，所述估计模块适于估计所述电热塞内的温度 所述燃烧室和控制模块，其适于根据估计的温度驱动所述电热塞。

公开(公告)号：US20070144490A1

公开(公告)日：2007-06-28

申请号：US11614247

申请日：2006-12-21

申请人： Gabriele Serra ,  Matteo De Cesare

发明人： Gabriele Serra ,  Matteo De Cesare

IPC分类号： F02M59/36

CPC分类号： F02M47/027 ,  F02D41/123 ,  F02D41/3872 ,  F02D2250/31 ,  F02M63/0225

摘要： A control method for a direct fuel injection system into an internal combustion engine provided with a number of cylinders; the method presents the stages of: supplying pressurised fuel to a common rail by means of a high-pressure pump; cyclically driving a number of hydraulically actuated injectors having an hydraulically actuated needle to inject fuel into the cylinders; establishing a desired fuel pressure level within the common rail; determining a threshold value for the injectors so that no fuel is injected by each injector if it is driven for a time interval shorter than the threshold value; and reducing the actual fuel pressure within the common rail by driving the injectors for a driving time interval shorter than the threshold value.

摘要翻译： 一种用于直接燃料喷射系统到具有多个气缸的内燃机中的控制方法; 该方法呈现以下阶段：通过高压泵将加压燃料供应到共轨; 循环地驱动许多具有液压致动针的液压致动喷射器，以将燃料喷射到气缸中; 在公共轨道内建立期望的燃料压力水平; 确定喷射器的阈值，使得如果每个喷射器被驱动比所述阈值短的时间间隔，则不喷射燃料; 并且通过驱动喷射器驱动比阈值小的驱动时间间隔来减小共轨内的实际燃料压力。

公开(公告)号：US08155846B2

公开(公告)日：2012-04-10

申请号：US11732907

申请日：2007-04-04

申请人： Gabriele Serra ,  Matteo De Cesare ,  Fabrizio Ponti

发明人： Gabriele Serra ,  Matteo De Cesare ,  Fabrizio Ponti

IPC分类号： G06F19/00 ,  G01L23/22 ,  G01M15/00 ,  B60W10/00 ,  F16H59/74

CPC分类号： F02D41/1497 ,  F02D35/02 ,  F02D2200/025 ,  Y10T477/648 ,  Y10T477/673 ,  Y10T477/679

摘要： A method and system for controlling an internal combustion power train, whereby the values of various operating parameters of the power train are measured by means of a number of sensors, and operation of the engine is monitored by means of at least one control unit, which is physically separate from the engine block and connected to the sensors; at least one pressure sensor is housed in the control unit, is physically separate from the engine block, and determines the intensity of pressure waves generated by the power train; and the control unit determines the value of at least one operating parameter of the power train as a function of the intensity of the pressure waves generated by the power train.

摘要翻译： 一种用于控制内燃动力系的方法和系统，由此通过多个传感器测量动力传动系的各种操作参数的值，并且通过至少一个控制单元来监测发动机的操作， 与发动机缸体物理分离并连接到传感器; 至少一个压力传感器容纳在控制单元中，与发动机缸体物理分离，并确定由动力传动系产生的压力波的强度; 并且所述控制单元根据由所述动力传动系产生的压力波的强度来确定所述动力传动系的至​​少一个操作参数的值。

公开(公告)号：US20120024266A1

公开(公告)日：2012-02-02

申请号：US13151609

申请日：2011-06-02

申请人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

发明人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

IPC分类号： F02B33/00

CPC分类号： F02D41/0007 ,  F02B29/0418 ,  F02B37/186 ,  F02B39/16 ,  F02B2039/168 ,  F02D23/02 ,  F02D2041/288 ,  F02D2200/025 ,  F02M35/10163 ,  G01P3/48 ,  Y02T10/144 ,  Y02T10/146

摘要： A method for determining the rotation speed of at least one supercharger which compresses the sucked air in an internal combustion engine; the control method, during the normal operation of the internal combustion engine, comprises the steps of detecting, by means of a microphone, the intensity of a sound signal generated by the rotation of the supercharger; determining a frequency content of the sound signal generated by the rotation of the supercharger; identifying the frequencies with maximum amplitude within the frequency content of the sound signal generated by the rotation of the supercharger; recognising the frequencies with maximum amplitude which are each other's multiples or submultiples; and determining the rotation speed of the supercharger using exclusively the frequencies with maximum amplitude which are each other's multiples or submultiples.

摘要翻译： 一种用于确定压缩内燃机中的吸入空气的至少一个增压器的转速的方法; 所述控制方法在所述内燃机的正常运行中包括以下步骤：通过麦克风检测由所述增压器的旋转产生的声音信号的强度; 确定通过增压器的旋转产生的声音信号的频率内容; 识别通过增压器的旋转产生的声音信号的频率内容内具有最大振幅的频率; 识别最大幅度的频率，彼此是倍数或倍数; 并且仅使用彼此为倍数或倍数的最大幅度的频率来确定增压器的旋转速度。

公开(公告)号：US07997253B2

公开(公告)日：2011-08-16

申请号：US12167609

申请日：2008-07-03

申请人： Gabriele Serra ,  Matteo De Cesare ,  Francesco Paolo Ausiello

发明人： Gabriele Serra ,  Matteo De Cesare ,  Francesco Paolo Ausiello

IPC分类号： F02M69/46 ,  B60T7/12 ,  G05D1/00 ,  G06F17/00

CPC分类号： F02M63/0235 ,  F02M47/027 ,  F02M63/0215 ,  F02M2200/18

摘要： A method for controlling the overpressure in a fuel-supply system of a common-rail type for an internal-combustion engine provided with a number of cylinders; the method has the steps of: supplying fuel under pressure to a common rail connected to a number of injectors by means of a high-pressure pump; detecting the effective value of the pressure of the fuel within the common rail; comparing the effective value of the pressure of the fuel within the common rail with a safety value; determining a condition of emergency if the effective value of the pressure of the fuel within the common rail is higher than the safety value; and driving, in the case of emergency, the injectors for discharging part of the fuel present in the common rail so as to contain the increase in pressure of the fuel within the common rail.

摘要翻译： 一种用于控制具有多个气缸的内燃机的共轨式燃料供给系统中的超压的方法; 该方法具有以下步骤：通过高压泵将压力下的燃料供给连接到多个喷射器的共轨; 检测共轨内燃料压力的有效值; 将共轨内的燃料的压力的有效值与安全值进行比较; 如果共轨内的燃料的压力的有效值高于安全值，则确定紧急情况; 并且在紧急情况下驾驶用于排出存在于共轨中的部分燃料的喷射器，以便容纳共轨内的燃料的压力增加。

公开(公告)号：US07699040B2

公开(公告)日：2010-04-20

申请号：US12283465

申请日：2008-09-12

申请人： Gabriele Serra ,  Matteo De Cesare

发明人： Gabriele Serra ,  Matteo De Cesare

IPC分类号： F02M1/00 ,  F02M55/02

CPC分类号： F02M63/0225 ,  F02D41/3845 ,  F02D2250/04 ,  F02D2250/31 ,  F02M59/06 ,  F02M59/102 ,  F02M59/205 ,  F02M59/366

摘要： A control method of a direct injection system of the common-rail type; the control method contemplates: feeding the pressurized fuel to a common rail by means of a high-pressure pump which receives the fuel through a shut-off valve; cyclically controlling the opening and closing of the shut-off valve for choking the flow rate of fuel taken in by the high-pressure pump; driving the shut-off valve synchronously with respect to the mechanical actuation of the high-pressure pump by means of a driving frequency of the shut-off valve having a constant integer synchronization ratio, predetermined according to the pumping frequency of the high-pressure pump; estimating a perturbation intensity of the fuel pressure inside the common rail; and varying the phase of the commands of the shut-off valve with respect to the phase of the mechanical actuation of the high-pressure pump if the perturbation intensity of the fuel pressure inside the common rail is higher than a predetermined threshold value.

摘要翻译： 共轨式直喷系统的控制方法; 控制方法设想：通过高压泵将加压燃料供给到共轨，该高压泵通过截止阀接收燃料; 循环地控制截止阀的打开和关闭，以阻止由高压泵吸入的燃料的流量; 通过具有恒定整数同步比的截止阀的驱动频率相对于高压泵的机械致动来同步地驱动截止阀，根据高压泵的泵送频率预定 ; 估计共轨内燃料压力的扰动强度; 并且如果共轨中的燃料压力的扰动强度高于预定阈值，则相对于高压泵的机械致动的相位改变截止阀的命令的相位。

公开(公告)号：US08676534B2

公开(公告)日：2014-03-18

申请号：US13151709

申请日：2011-06-02

申请人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

发明人： Gabriele Serra ,  Matteo De Cesare ,  Federico Stola

IPC分类号： G06F15/00 ,  G01H5/00

CPC分类号： F02D41/0007 ,  F01D17/06 ,  F01N1/168 ,  F02B29/0418 ,  F02B37/12 ,  F02B37/18 ,  F02B39/00 ,  F02B2037/122 ,  F02D23/02 ,  F02D2041/288 ,  F02D2200/025 ,  G01P3/48 ,  Y02T10/144 ,  Y02T10/146

摘要： A method for determining the rotation speed of at least one supercharger (14) in an internal combustion engine (1); the method includes detecting, through a microphone (25), the intensity of a sound signal generated by the rotation of the supercharger (14) and determining the evolution of the frequency content of the sound signal over time; determining, completely irrespective of the sound signal, a first estimation of the rotation speed of the supercharger (14) through which an interval of plausible frequencies for the rotation speed of the supercharger (14) may be determined; determining a second estimation of the rotation speed of the supercharger (14) according to the frequency content of the sound signal within the interval of plausible frequencies and validating the second estimation of the rotation speed of the supercharger (14) using the first estimation of the rotation speed of the supercharger (14).

摘要翻译： 一种用于确定内燃机（1）中的至少一个增压器（14）的转速的方法; 该方法包括通过麦克风（25）检测由增压器（14）的旋转产生的声音信号的强度，并确定随时间推移的声音信号的频率内容的演变; 确定完全不考虑声音信号的增压器（14）的转速的第一估计，通过该增压器的旋转速度可以确定增压器（14）的转速的合理频率的间隔; 根据在合理频率的间隔内的声音信号的频率含量来确定增压器（14）的转速的第二估计，并使用第一估计值来验证增压器（14）的转速的第二估计 增压器（14）的转速。

公开(公告)号：US20090139489A1

公开(公告)日：2009-06-04

申请号：US12234914

申请日：2008-09-22

申请人： Gabriele Serra ,  Matteo De Cesare ,  Giovanni Prodi

发明人： Gabriele Serra ,  Matteo De Cesare ,  Giovanni Prodi

IPC分类号： F02D41/38

CPC分类号： F02M63/0225 ,  F02D41/009 ,  F02D41/123 ,  F02D41/3854 ,  F02D2200/0602 ,  F02D2200/0604 ,  F02D2250/04 ,  F02M59/102 ,  F02M59/205 ,  F02M59/366

摘要： A control method of a direct injection system of the common rail in an internal combustion engine; the control method contemplates the steps of: feeding the pressurized fuel to a common rail by means of a high-pressure pump presenting at least one pumping element mechanically operated by a drive shaft of the internal combustion engine; measuring the angular position of the drive shaft; measuring the fuel pressure in the common rail; analyzing the oscillations of the fuel pressure in the common rail; and determining the phase of the pumping element of the high-pressure pump with respect to the drive shaft according to the oscillations of the fuel pressure in the common rail.

摘要翻译： 内燃机共轨直喷系统的控制方法; 控制方法考虑了以下步骤：借助于提供由内燃机的驱动轴机械操作的至少一个泵送元件的高压泵将加压燃料供给到共轨; 测量驱动轴的角位置; 测量共轨中的燃油压力; 分析共轨中燃油压力的振荡; 以及根据共轨中的燃料压力的振荡来确定高压泵相对于驱动轴的泵送元件的相位。