公开(公告)号：US4015563A

公开(公告)日：1977-04-05

申请号：US608211

申请日：1975-08-27

申请人： Ulrich Drews ,  Lothar Winkelmann ,  Peter Werner

发明人： Ulrich Drews ,  Lothar Winkelmann ,  Peter Werner

IPC分类号： F02D41/34 ,  F02B1/04 ,  F02D41/18 ,  F02D41/32 ,  F02B3/00

CPC分类号： F02D41/182 ,  F02D41/32 ,  F02B1/04

摘要： To prevent bucking of a fuel injection operated automotive engine, under transient dynamic conditions, due to resilient suspension thereof, a timing capacitor in the fuel injection system has an auxiliary capacitor connected in parallel thereto over a diode, the auxiliary capacitor having its own charge circuit, and the diode and charge circuit being so arranged that the diode becomes conductive when the voltage across the main capacitor exceeds the voltage across the auxiliary capacitor, thus delaying and flattening the charge rate to the main capacitor without, however, detracting from total charge being placed on both capacitors to prevent excessive changes in fuel valve injection timing under transient engine operating conditions.

摘要翻译： 为了防止燃油喷射操作的汽车发动机的弯曲，在瞬态动态条件下，由于其弹性悬浮，燃料喷射系统中的定时电容器具有通过二极管并联连接的辅助电容器，辅助电容器具有其自己的充电电路 并且二极管和充电电路被布置成当主电容器两端的电压超过辅助电容器两端的电压时二极管导通，从而延迟和平坦化主电容器的充电速率，而不会损害总电荷 放置在两个电容器上，以防止在瞬态发动机运行条件下燃油阀喷射正时的过度变化。

公开(公告)号：US4171692A

公开(公告)日：1979-10-23

申请号：US713130

申请日：1976-08-10

申请人： Ulrich Drews ,  Lothar Winkelmann ,  Peter Werner

发明人： Ulrich Drews ,  Lothar Winkelmann ,  Peter Werner

IPC分类号： F02D41/34 ,  F02D41/06 ,  F02D41/18 ,  F02D1/04 ,  F02D1/06

CPC分类号： F02D41/182 ,  F02D41/064

摘要： A control circuit for a fuel injection system which modifies the control pulses of the electromagnetic valves during engine starting. The width of the normal injection control pulses determines the amount of fuel and is derived from engine parameters, in particular rpm and air flow rate. When stating the engine, the control circuit is actuated by the starting switch of the engine and causes suppression of the normal control pulses. A multivibrator generates substitute starting control pulses whose duration is changed by altering the time constant of the multivibrator in response to the signal from a temperature transducer.

摘要翻译： 一种用于在发动机起动期间修改电磁阀的控制脉冲的燃料喷射系统的控制电路。 正常喷射控制脉冲的宽度决定了燃料的量，并且从发动机参数，特别是转速和空气流速得出。 当说明发动机时，由发动机的起动开关驱动控制电路，并且抑制正常的控制脉冲。 多谐振荡器通过响应于来自温度传感器的信号改变多谐振荡器的时间常数来产生其持续时间改变的替代启动控制脉冲。

公开(公告)号：US4084552A

公开(公告)日：1978-04-18

申请号：US702929

申请日：1976-07-06

申请人： Ulrich Drews ,  Peter Werner ,  Lothar Winkelmann

发明人： Ulrich Drews ,  Peter Werner ,  Lothar Winkelmann

IPC分类号： F02D41/34 ,  F02D41/12 ,  F02D41/18 ,  F02D41/32 ,  F02B3/00

CPC分类号： F02D41/12 ,  F02D41/182

摘要： A control pulse generator for the fuel injection system of internal combustion engines. The rpm-dependent trigger signal is applied simultaneously to two multivibrators one of which generates pulses whose length is determined by engine parameters while the other generates pulses of fixed length. A logical circuit selects the longer of these pulses so that the fuel control pulse will always have at least a minimum length.

摘要翻译： 一种用于内燃机燃料喷射系统的控制脉冲发生器。 与转子相关的触发信号同时应用于两个多谐振荡器，其中一个产生脉冲，其长度由发动机参数确定，而另一个产生固定长度的脉冲。 逻辑电路选择这些脉冲中的较长时间，使得燃料控制脉冲将始终具有至少最小长度。

公开(公告)号：US4254742A

公开(公告)日：1981-03-10

申请号：US882517

申请日：1978-03-01

申请人： Hans Schnurle ,  Ulrich Drews ,  Peter Werner ,  Lothar Winkelmann

发明人： Hans Schnurle ,  Ulrich Drews ,  Peter Werner ,  Lothar Winkelmann

IPC分类号： F02D41/34 ,  F02D41/04 ,  F02D41/18 ,  F02B3/00

CPC分类号： F02D41/182

摘要： A fuel injection control system generates control pulses which open the fuel injection valves of the engine. The pulse duration is proportional to the injected fuel quantity and can be altered in dependence on air temperature by a circuit which includes a temperature-sensitive resistor. The voltage at this resistor controls a transistor which supplies a supplementary charging current for a timing capacitor.

摘要翻译： 燃料喷射控制系统产生打开发动机的燃料喷射阀的控制脉冲。 脉冲持续时间与注入的燃料量成比例，并且可以通过包括温度敏感电阻器的电路根据空气温度而改变。 该电阻器上的电压控制一个为定时电容器提供辅助充电电流的晶体管。

公开(公告)号：US4278061A

公开(公告)日：1981-07-14

申请号：US859509

申请日：1977-12-12

申请人： Peter Werner ,  Ulrich Drews

发明人： Peter Werner ,  Ulrich Drews

IPC分类号： F02D41/34 ,  F02D41/04 ,  F02D41/18 ,  F02D41/30 ,  F02D5/02

CPC分类号： F02D41/3005 ,  F02D41/182 ,  F02D2200/503

摘要： A fuel injection system of an internal combustion engine generates valve-actuating pulses for actuating electromagnetic fuel injection valves. The length, or duration, of these valve actuating pulses is a function of various engine conditions and they are generated by a pulse-length multiplying circuit from preliminary control pulses derived from two basic engine variables, e.g. engine speed and air flow rate. In order to compensate for the decreasing pressure drop across the injection valve orifice at high engine load due to increasing manifold pressure, the invention describes methods for lengthening the fuel valve-actuating pulses by engaging the pulse-length multiplying circuit, in order to change the charging or discharging times of the timing capacitor therein. Another method proposed is to engage the battery-voltage compensation circuit in the system to lengthen the valve-actuating pulses. Electronic circuitry to perform these corrections is also described.

摘要翻译： 内燃机的燃料喷射系统产生用于致动电磁燃料喷射阀的阀致动脉冲。 这些阀致动脉冲的长度或持续时间是各种发动机条件的函数，并且它们由来自两个基本发动机变量的初步控制脉冲的脉冲倍增电路产生。 发动机转速和空气流量。 为了补偿由于歧管压力的增加而在高发动机负载下的喷射阀孔口处压降的减小，本发明描述了通过接合脉冲倍增电路来延长燃料阀致动脉冲的方法，以便改变 定时电容器的充电或放电时间。 提出的另一种方法是使系统中的电池电压补偿电路接合以延长阀致动脉冲。 还描述了执行这些校正的电子电路。

公开(公告)号：US4239022A

公开(公告)日：1980-12-16

申请号：US901674

申请日：1978-05-01

申请人： Ulrich Drews ,  Michael Horbelt ,  Hans Schnurle ,  Peter Werner ,  Otto Glockler ,  Dieter Gunther ,  Richard Bertsch

发明人： Ulrich Drews ,  Michael Horbelt ,  Hans Schnurle ,  Peter Werner ,  Otto Glockler ,  Dieter Gunther ,  Richard Bertsch

IPC分类号： F02D41/34 ,  F02D41/06 ,  F02B3/00

CPC分类号： F02D41/061

摘要： The cyclic control pulses for actuating the fuel injection valves of an internal combustion engine are extended during engine starting at low temperatures. The degree of pulse extension, i.e. of fuel enrichment, is made dependent on engine temperature and decreases as a function of cranking time. In addition, a repeated starting attempt will be accompanied by reduced pulse extension to prevent excessive enrichment of the mixture. The pulse extension may also be retained for a period of time after engine cranking to insure smooth running.

摘要翻译： 用于致动内燃机的燃料喷射阀的循环控制脉冲在发动机起动低温时延长。 脉冲延伸的程度，即燃料浓缩的程度取决于发动机温度，并且随起动时间的变化而减小。 此外，重复的启动尝试将伴随着减小的脉冲延长以防止混合物的过度富集。 在发动机起动之后，脉冲延伸部分也可以保持一段时间，以确保平稳运行。

公开(公告)号：US4088927A

公开(公告)日：1978-05-09

申请号：US744789

申请日：1976-11-24

申请人： Karl-Heinz Adler ,  Ulrich Drews ,  Peter Werner ,  Heinz Moller ,  Heinz Kammerer

发明人： Karl-Heinz Adler ,  Ulrich Drews ,  Peter Werner ,  Heinz Moller ,  Heinz Kammerer

IPC分类号： H03K5/1252 ,  F02D41/36 ,  H03K3/013 ,  H04B15/00 ,  F02P3/06

CPC分类号： F02D41/365 ,  H03K3/013

摘要： To provide an undistorted square wave output signal under control of a switch subject to contact chatter so that the square wave will accurately reflect the operating instant of the switch, as commanded, regardless of contact chatter, a timing circuit is provided having a timing capacitor and a charge and discharge circuit therefor, connected to a threshold circuit, the threshold circuit response level and the charge circuit of the timing capacitor being dimensioned to cause the capacitor to charge to a level such that the threshold circuit responds only when the switch has changed state, typically closed after interrupting an inductive load, such as the primary of a spark plug, for a predetermined time period as determined by the switch contact chatter characteristics of the switch itself, for example about 0.6 to 1 millisecond in the case of automotive ignition breaker switches; a feedback connection is provided between the threshold circuit and the input stage to the circuit to disable transfer of a signal representative of change of the switch through the circuit unless the threshold level of the threshold circuit has been exceeded so that the threshold circuit could respond.

摘要翻译： 为了在受到接触颤动的开关的控制下提供未失真的方波输出信号，使得方波将按照命令精确地反映开关的工作时刻，而不管接触器的颤动如何，提供了具有定时电容器的定时电路， 一个充电和放电电路，连接到阈值电路，定时电容器的阈值电路响应电平和充电电路的尺寸被设计成使得电容器充电到一个电平，使得阈值电路仅在开关变化状态时响应 ，通常在中断感应负载（例如火花塞的初级）之后闭合一段预定时间段，由开关本身的开关接触颤动特性确定，例如在汽车点火断路器的情况下为约0.6至1毫秒 开关 在阈值电路和输入级之间提供反馈连接到电路，以禁止代表开关通过电路的变化的信号传输，除非阈值电路的阈值电平已被超过，以便阈值电路可以响应。

公开(公告)号：US4345562A

公开(公告)日：1982-08-24

申请号：US148435

申请日：1980-05-09

申请人： Ulrich Drews ,  Peter Werner ,  Werner Mohrle

发明人： Ulrich Drews ,  Peter Werner ,  Werner Mohrle

IPC分类号： F02D41/14 ,  G01N27/04 ,  G01N27/26 ,  G01N27/409 ,  F02B3/00 ,  F02B33/00

CPC分类号： F02D41/148

摘要： A method and an apparatus for regulating the fuel-air ratio of the operational mixture of an internal combustion engine and for monitoring the operational readiness of a .lambda. sensor controlling the regulating apparatus and functioning according to the principle of ionic conduction in fixed electrolytes. A constant reference voltage which approximately corresponds to the average sensor output voltage is connected opposite to the .lambda. sensor. The level of the resultant voltage thus established, the values of which are disposed symmetrically relative to the reference voltage, is utilized, along with the cooperation of a resultant electric current which causes a voltage drop across the temperature-dependent internal resistance of the .lambda. sensor as a gauge for the operational readiness of the .lambda. sensor. The pickup of the resultant voltage is accomplished by two comparison devices, whose logically evaluatable output signals are transformed via a logical linkage circuit into an operational readiness or unreadiness signal. A third comparison device serves the purpose of controlling the regulating apparatus. The third comparison device output is switched when the .lambda. sensor is not under the influence of any resultant electric current; as a result, no temperature-dependent shift of the switchover point relative to the internal sensor voltage occurs and regulation can be effected with the regulating apparatus in a temperature in dependent manner to a desired point in the sensor voltage curve or to a desired lambda value.

摘要翻译： 一种用于调节内燃机的操作混合物的燃料空气比的方法和装置，并且用于监测控制调节装置的λ传感器的操作准备情况以及根据固定电解质中的离子传导原理的功能。 大致对应于平均传感器输出电压的恒定参考电压与λ传感器相对。 这样建立的所得到的电压的电平，其值相对于参考电压对称设置，以及所得到的电流的协调，其导致跨越λ传感器的依赖于温度的内部电阻的电压降 作为λ传感器的操作准备的量规。 所得到的电压的拾取由两个比较装置实现，两个比较装置的逻辑可评估输出信号通过逻辑联动电路变换成操作就绪或不准备信号。 第三比较装置用于控制调节装置。 当λ传感器不受任何所得电流的影响时，第三比较器件输出被切换; 因此，不会发生切换点相对于内部传感器电压的温度相关的偏移，并且可以通过调节装置以与传感器电压曲线中的期望点相对应的温度或所需的λ值来实现调节 。

公开(公告)号：US4320732A

公开(公告)日：1982-03-23

申请号：US26159

申请日：1979-04-02

申请人： Hans Schnurle ,  Ulrich Drews ,  Peter Werner

发明人： Hans Schnurle ,  Ulrich Drews ,  Peter Werner

IPC分类号： F02D41/34 ,  F02D41/04 ,  F02D41/32 ,  F02M51/02

CPC分类号： F02D41/32

摘要： A method and an apparatus for generating fuel metering control pulse which may be used to control the operation of injection systems, carburetors, or any other controllable fuel metering mechanism. The system includes two signal generators one of which continually generates a signal related to engine conditions while the other is engaged in deriving therefrom a fuel metering control pulse of appropriate length. The duration of the pulses may be obtained by the charging and discharging constant of control capacitors or by a process of numerical countdown of digital data.

摘要翻译： 一种用于产生燃料计量控制脉冲的方法和装置，其可用于控制喷射系统，化油器或任何其它可控燃料计量机构的操作。 该系统包括两个信号发生器，其中一个信号发生器连续地产生与发动机状况相关的信号，而另一个信号发生器从其中导出适当长度的燃料计量控制脉冲。 脉冲的持续时间可以通过控制电容器的充电和放电常数或数字数据的数字倒数的过程来获得。

公开(公告)号：US4150305A

公开(公告)日：1979-04-17

申请号：US822451

申请日：1977-08-05

申请人： Klaus Streit ,  Hartmut Seiler ,  Klaus Jaeckel ,  Ulrich Drews ,  Peter Werner ,  Erwin Gloss

发明人： Klaus Streit ,  Hartmut Seiler ,  Klaus Jaeckel ,  Ulrich Drews ,  Peter Werner ,  Erwin Gloss

IPC分类号： F02D41/34 ,  F02D41/30 ,  F02P7/06 ,  H03K3/037 ,  H03K21/00 ,  H03K21/02 ,  H03K23/00 ,  H03K23/52 ,  H03K23/58

CPC分类号： H03K21/02 ,  F02P7/061 ,  H03K3/037

摘要： A frequency divider circuit and variants thereof, intended for use with the fuel injection system of an internal combustion engine. The primary trigger signal is one derived from a rotating engine member and this signal is used to generate two input pulse trains of opposite relative phase. A basic dividing block includes two bistable multivibrators formed by gates with crossed feedback. The inputs to these multivibrators are provided by two-input gates and the input pulse trains are applied, respectively, to the input gates ahead of the first and second multivibrators. The second inputs of the input gates receive the direct or crossed-over outputs of the multivibrators. Additional circuitry is disclosed for providing odd dividing ratios, e.g. 1:3.

摘要翻译： 分频器电路及其变型，旨在与内燃机的燃料喷射系统一起使用。 主要触发信号是从旋转发动机构件获得的信号，并且该信号用于产生相对相对相位的两个输入脉冲串。 基本分割块包括由具有交叉反馈的门形成的两个双稳态多谐振荡器。 这些多谐振荡器的输入由双输入门提供，并且输入脉冲串分别施加到第一和第二多谐振荡器之前的输入门。 输入门的第二个输入端接收多谐振荡器的直接或交叉输出。 公开了用于提供奇数分频比的附加电路，例如。 1：3。