公开(公告)号：US20050121535A1

公开(公告)日：2005-06-09

申请号：US11009980

申请日：2004-12-10

申请人： Richard Pirkl ,  Harald Schmidt ,  Harald Gegenfurtner ,  Walter Schrod

发明人： Richard Pirkl ,  Harald Schmidt ,  Harald Gegenfurtner ,  Walter Schrod

IPC分类号： F02D41/20 ,  F02M57/02 ,  F02M63/00 ,  B05D1/00 ,  A01G27/00 ,  B05B17/00 ,  F02D1/06 ,  F16K31/12

CPC分类号： F02M63/0026 ,  F02D41/2096 ,  F02D2041/2055 ,  F02M57/023

摘要： A method and a device for measuring the period of time which the valve needle (50) of a control valve (21) of a piezo pump nozzle unit requires to move from a first end position (64) into a second end position (65) is determined as a function of the voltage (u (t)) which is applied to the control valve (21) and/or the current (i (t)) which is applied. The actuation signal is generated at a time at which it is ensured that the pressure in the control valve (21) corresponds largely to the pressure of the fuel low-pressure region (31) during the measurement.

摘要翻译： 一种用于测量压电泵喷嘴单元的控制阀（21）的阀针（50）需要从第一端位置（64）移动到第二端位置（65）的时间段的方法和装置， 被确定为施加到控制阀（21）和/或施加的电流（i（t））的电压（u（t））的函数。 在确保控制阀（21）中的压力大大对应于测量期间的燃料低压区域（31）的压力的时刻产生致动信号。

公开(公告)号：US06366868B2

公开(公告)日：2002-04-02

申请号：US09821968

申请日：2001-03-30

申请人： Hellmut Freudenberg ,  Hartmut Gerken ,  Martin Hecker ,  Christian Hoffmann ,  Richard Pirkl ,  Walter Schrod

发明人： Hellmut Freudenberg ,  Hartmut Gerken ,  Martin Hecker ,  Christian Hoffmann ,  Richard Pirkl ,  Walter Schrod

IPC分类号： H01L4104

CPC分类号： F02M65/00 ,  F02D41/2096 ,  F02D41/221 ,  F02D2041/2051 ,  F02D2041/2058 ,  F02D2041/2089 ,  F02D2041/2093 ,  F02M2200/21 ,  G01R31/2829 ,  H02N2/06 ,  Y10T307/747 ,  Y10T307/826

摘要： A method of diagnosing an actuator includes supplying a predeterminable amount of energy to an actuator through a charge-reversal circuit. Faulty functional statuses of the actuator and its supply lines and/or its drive circuits, short- or long-term interruptions, short-circuits within the actuator or its supply lines, or excessively low capacitance values may be deduced from a discrepancy between reference values and determined variables including actuator voltage, actuator current, and actuator charge. A short-circuit of an electrical connection within the actuator or an electrical connection between the drive circuit and the actuator can be deduced if the actuator voltage is less than a lower voltage value. An interruption in the electrical connection within is the actuator or an electrical connection between the drive circuit and the actuator may be deduced if an actuator peak current is less than a lower current value. An apparatus for performing the method is also provided.

摘要翻译： 诊断致动器的方法包括通过电荷反转电路向致动器提供预定量的能量。 执行机构及其供电线路和/或其驱动电路的功能状态不良，执行器或其供电线路中的短期或长期中断，短路或过低的电容值可能会从参考值 并确定变量，包括执行器电压，执行器电流和执行器充电。 如果执行器电压小于较低的电压值，则可以推导出致动器内的电气连接的短路或驱动电路与致动器之间的电气连接。 如果致动器峰值电流小于较低的电流值，那么内部电气连接的中断是致动器，或者可以推导出驱动电路和致动器之间的电气连接。 还提供了一种用于执行该方法的装置。

公开(公告)号：US06349705B1

公开(公告)日：2002-02-26

申请号：US09521500

申请日：2000-03-09

申请人： Richard Pirkl ,  Achim Przymusinski ,  Walter Schrod ,  Mark Elliott

发明人： Richard Pirkl ,  Achim Przymusinski ,  Walter Schrod ,  Mark Elliott

IPC分类号： F02M5100

CPC分类号： F02D41/221 ,  F02D41/2096 ,  H01L41/042 ,  H02N2/06

摘要： A capacitive actuator is driven with a control signal st. The duration ti of actual actuator actuation is compared with the duration tst of the control signal st. Proper operation is determined, and the actuator is assumed to be operating correctly, if the measured duration ti is within a range determined by the duration tst of the control signal.

摘要翻译： 电容式致动器由控制信号st驱动。 将实际致动器致动的持续时间ti与控制信号st的持续时间tst进行比较。 如果测量的持续时间ti在由控制信号的持续时间tst确定的范围内，则确定正确的操作，并且假设致动器正常工作。

公开(公告)号：US20080087748A1

公开(公告)日：2008-04-17

申请号：US11755018

申请日：2007-05-30

申请人： Jorg Beilharz ,  Nicholas Nozeran ,  Richard Pirkl ,  Christian Rissler ,  Harald Schmidt ,  Hans-Jorg Wiehoff

发明人： Jorg Beilharz ,  Nicholas Nozeran ,  Richard Pirkl ,  Christian Rissler ,  Harald Schmidt ,  Hans-Jorg Wiehoff

IPC分类号： F02M51/06

CPC分类号： F02D41/2096

摘要： A method for injecting a fluid, in particular a fuel, performs the following steps: A nozzle (1) which can be actuated by a piezo element (5) is provided. A current pulse (12a) is supplied to the piezo element (5). The capacity (16) of the piezo element (5) is recorded at the time when the current pulse (12a) is supplied. An actual characteristic curve of the injection is recorded based on the capacity (16). The current pulse (12a) is regulated in order to optimize the injection based on the actual characteristic curve of the injection.

摘要翻译： 一种用于喷射流体，特别是燃料的方法，进行以下步骤：可由压电元件（5）致动的喷嘴（1）。 电流脉冲（12a）被提供给压电元件（5）。 在提供电流脉冲（12a）时记录压电元件（5）的容量（16）。 基于容量记录注射的实际特性曲线（16）。 调节电流脉冲（12a），以便根据注射的实际特性曲线优化注射。

公开(公告)号：US07815128B2

公开(公告)日：2010-10-19

申请号：US11755018

申请日：2007-05-30

申请人： Jörg Beilharz ,  Nicholas Nozeran ,  Richard Pirkl ,  Christian Riβler ,  Harald Schmidt ,  Hans-Jörg Wiehoff

发明人： Jörg Beilharz ,  Nicholas Nozeran ,  Richard Pirkl ,  Christian Riβler ,  Harald Schmidt ,  Hans-Jörg Wiehoff

IPC分类号： F02D1/06

CPC分类号： F02D41/2096

摘要： A method for injecting a fluid, in particular a fuel, performs the following steps: A nozzle (1) which can be actuated by a piezo element (5) is provided. A current pulse (12a) is supplied to the piezo element (5). The capacity (16) of the piezo element (5) is recorded at the time when the current pulse (12a) is supplied. An actual characteristic curve of the injection is recorded based on the capacity (16). The current pulse (12a) is regulated in order to optimize the injection based on the actual characteristic curve of the injection.

摘要翻译： 一种用于喷射流体，特别是燃料的方法，进行以下步骤：可由压电元件（5）致动的喷嘴（1）。 电流脉冲（12a）被提供给压电元件（5）。 在提供电流脉冲（12a）的时刻记录压电元件（5）的容量（16）。 基于容量记录注射的实际特性曲线（16）。 调整电流脉冲（12a），以便根据注射的实际特性曲线优化注射。

公开(公告)号：US20090223490A1

公开(公告)日：2009-09-10

申请号：US11721013

申请日：2005-11-25

申请人： Richard Pirkl ,  Harald Schmidt ,  Hans-Jörg Wiehoff

发明人： Richard Pirkl ,  Harald Schmidt ,  Hans-Jörg Wiehoff

IPC分类号： F02M51/00 ,  H01L41/09

CPC分类号： F02D41/2096 ,  F02D41/008 ,  F02D2041/2024 ,  F02D2041/2034 ,  F02D2041/2051 ,  F02D2041/2055

摘要： A method for controlling a piezoelectric actuator which displaces a control element of an injection valve includes the step of charging the actuator until a start voltage is reached. Subsequently, the actuator is discharged until a partial lifting voltage, which is maintained during a holding time, is reached. In the final step, the actuator is discharged until an off-load voltage is reached and a parameter which is dependent on the partial lifting voltage is used as a control variable. A desired value for the control variable is determined and the actuator is controlled in such a manner that the desired value of the control variable is maintained.

摘要翻译： 用于控制使喷射阀的控制元件移位的压电致动器的方法包括对致动器充电直到达到启动电压的步骤。 随后，致动器被排出，直到达到在保持时间期间保持的部分提升电压。 在最后一步中，致动器被放电直到达到负载电压，并且使用取决于部分提升电压的参数作为控制变量。 确定控制变量的期望值，并且以使得保持控制变量的期望值的方式来控制致动器。

公开(公告)号：US20070240685A1

公开(公告)日：2007-10-18

申请号：US10596480

申请日：2004-12-15

申请人： Jorg Beilharz ,  Maximillian Kronberger ,  Richard Pirkl ,  Sven Rebeschiess ,  Harald Schmidt ,  Hans-Jorg Wiegoff

发明人： Jorg Beilharz ,  Maximillian Kronberger ,  Richard Pirkl ,  Sven Rebeschiess ,  Harald Schmidt ,  Hans-Jorg Wiegoff

IPC分类号： F02M37/04

CPC分类号： F02D41/2096

摘要： A valve has a piezo actuator, a valve element, a valve body and a valve seat. At a predeterminable point in time, the valve element is controlled by a discharging process of the piezo actuator from a position in which it rests against the valve seat to a predetermined position located at a distance from the valve seat. The discharging process is divided into a first discharging period during which a predetermined first amount of electrical energy is discharged from the piezo actuator, a subsequent holding time period during which the piezo actuator is not controlled, and a subsequent second discharging period during which a predetermined second amount of electrical energy is discharged. The holding time duration and/or the first discharging period are/is adapted according to the course of a value that is not characteristic of the oscillation behavior of the piezo actuator during the holding time period.

摘要翻译： 阀具有压电致动器，阀元件，阀体和阀座。 在可预定的时间点，阀元件通过压电致动器从其位于阀座处的位置到位于距离阀座一定距离的预定位置的排放过程来控制。 放电处理被分为第一放电期间，在该第一放电期间，预定的第一电量从压电致动器排出，随后的压电致动器未被控制的保持期间，以及随后的第二放电期间， 第二量的电能被排出。 保持时间和/或第一放电周期根据在保持时间段期间不是压电致动器的振荡特性的值的过程而被适配。

公开(公告)号：US20060289670A1

公开(公告)日：2006-12-28

申请号：US11453723

申请日：2006-06-15

申请人： Jorg Beilharz ,  Maximilian Kronberger ,  Richard Pirkl ,  Christian Ribler ,  Harald Schmidt ,  Hans-Jorg Wiehoff

发明人： Jorg Beilharz ,  Maximilian Kronberger ,  Richard Pirkl ,  Christian Ribler ,  Harald Schmidt ,  Hans-Jorg Wiehoff

IPC分类号： F02M47/02 ,  B05B1/08

CPC分类号： F02D41/2096 ,  F02D2041/1409 ,  F02D2200/0606

摘要： A valve has a piezoelectric actuator with a valve element, a valve body and a valve seat. In order to control the valve, the valve element is moved into the valve seat from a position remote from the valve seat by means of a charging process at a prescribable first time. A first value is determined being characteristic of the electrical power supplied to the piezoelectric actuator when the valve element meets the valve seat. A second value is determined being characteristic of the electrical power supplied to the piezoelectric actuator when the charging process of the piezoelectric actuator is concluded. An actual difference value between the second value and the first value is determined. A difference between a setpoint difference value and the actual difference value is supplied to a controller. An actuating signal for charging the piezoelectric actuator is determined as a function of the actuating variable.

摘要翻译： 阀具有带阀元件，阀体和阀座的压电致动器。 为了控制阀，阀元件可以通过第一次可规定的充电过程从远离阀座的位置移动到阀座中。 当阀元件与阀座相遇时，第一个值被确定为提供给压电致动器的电功率的特性。 当压电致动器的充电过程结束时，确定提供给压电致动器的电力的特性的第二值。 确定第二值与第一值之间的实际差值。 将设定值差值与实际差值之差提供给控制器。 作为致动变量的函数确定用于对压电致动器充电的致动信号。

公开(公告)号：US20100288238A1

公开(公告)日：2010-11-18

申请号：US12669129

申请日：2008-06-26

申请人： Jörg Beilharz ,  Uwe Lingener ,  Andreas Pfeifer ,  Richard Pirkl ,  Harald Schmidt ,  Klaus Wenzlawski ,  Hans-Jörg Wiehoff

发明人： Jörg Beilharz ,  Uwe Lingener ,  Andreas Pfeifer ,  Richard Pirkl ,  Harald Schmidt ,  Klaus Wenzlawski ,  Hans-Jörg Wiehoff

IPC分类号： F02D41/20 ,  F02M51/06 ,  F02D41/40

CPC分类号： F02D41/2096 ,  F02D41/401 ,  F02D2041/2051 ,  F02M51/0603

摘要： In a method or a device for forming an electric control signal for an injection impulse of a position-controlled fuel injector, particularly of a common-rail or pump-nozzle injection system, he course of the electric control signal can be selected freely in regard to the pulse edges (injection rate changes Q), the holding period (Δt) and the injection rate (Q). This offers the advantage that the combustion process can be better optimized with respect to low emissions, low consumption and for meeting tightened legal regulations.

摘要翻译： 在用于形成用于位置控制的燃料喷射器，特别是共轨或泵喷嘴喷射系统的喷射脉冲的电控制信号的方法或装置中，电控制信号的过程可以根据 脉冲边缘（注入速率变化Q），保持时间（＆Dgr; t）和喷射速率（Q）。 这提供了燃烧过程可以在低排放，低消耗和满足严格的法律法规的情况下更好地优化的优点。

公开(公告)号：US07802561B2

公开(公告)日：2010-09-28

申请号：US10596480

申请日：2004-12-15

申请人： Jörg Beilharz ,  Maximillian Kronberger ,  Richard Pirkl ,  Sven Rebeschieβ ,  Harald Schmidt ,  Hans-Jörg Wiehoff

发明人： Jörg Beilharz ,  Maximillian Kronberger ,  Richard Pirkl ,  Sven Rebeschieβ ,  Harald Schmidt ,  Hans-Jörg Wiehoff

IPC分类号： F02M47/02 ,  F02M37/04

CPC分类号： F02D41/2096

摘要： A valve has a piezo actuator, a valve element, a valve body and a valve seat. At a predeterminable point in time, the valve element is controlled by a discharging process of the piezo actuator from a position in which it rests against the valve seat to a predetermined position located at a distance from the valve seat. The discharging process is divided into a first discharging period during which a predetermined first amount of electrical energy is discharged from the piezo actuator, a subsequent holding time period during which the piezo actuator is not controlled, and a subsequent second discharging period during which a predetermined second amount of electrical energy is discharged. The holding time duration and/or the first discharging period are/is adapted according to the course of a value that is not characteristic of the oscillation behavior of the piezo actuator during the holding time period.

摘要翻译： 阀具有压电致动器，阀元件，阀体和阀座。 在可预定的时间点，阀元件通过压电致动器从其位于阀座处的位置到位于距离阀座一定距离的预定位置的排放过程来控制。 放电处理被分为第一放电期间，在该第一放电期间，预定的第一电量从压电致动器排出，随后的压电致动器未被控制的保持期间，以及随后的第二放电期间， 第二量的电能被排出。 保持时间和/或第一放电周期根据在保持时间段期间不是压电致动器的振荡特性的值的过程而被适配。