Fuel injection system
    1.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4341192A

    公开(公告)日:1982-07-27

    申请号:US129496

    申请日:1980-03-11

    CPC分类号: F02M69/22 F02M69/26 F02M69/44

    摘要: A fuel injection system is proposed which brings about an improvement in the acceleration behavior of an internal combustion engine. The fuel injection system includes metering valves actuatable by means of an air flow measuring device, at which valves a pressure difference can be held constant via control valves and the pressure difference is variable in accordance with operational characteristics of the engine. To this end, the control valves are located on a control pressure line in which a control throttle and an electromagnetic valve are disposed. At the same time, pressure limitation elements communicate with the control pressure line and, in the event of acceleration of the engine, reduce the extent of increase of control pressure and thus assure fuel metering corresponding with the operational state of the engine.

    摘要翻译: 提出了一种燃料喷射系统,其引起内燃机的加速行为的改善。 燃料喷射系统包括可通过气流测量装置致动的计量阀,在该阀处通过控制阀将压力差保持不变,并且压力差根据发动机的操作特性是可变的。 为此,控制阀位于控制节流阀和电磁阀的控制压力管路上。 同时,压力限制元件与控制压力线通信,并且在发动机的加速的情况下减小控制压力的增加的程度,从而确保与发动机的操作状态对应的燃料计量。

    Fuel injection system
    2.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4326487A

    公开(公告)日:1982-04-27

    申请号:US132056

    申请日:1980-03-20

    摘要: A fuel injection system is proposed which brings about an improvement in the acceleration behavior of an internal combustion engine. The fuel injection system includes an intake manifold having a measuring device arranged therein which is moved against a restoring force in accordance with the quantity of air flowing therethrough and thereby actuates the control slide of a distribution valve. The restoring force on the air flow measuring device is actuated by fuel, supplied by a fuel pump via a damping throttle, which operates within a pressure chamber into which the control slide protrudes by means of an end face. A check valve is arranged in a discharge line between the pressure chamber and the delivery side or the suction side of the pump, and opens above a predetermined pressure within the pressure chamber. This allows a rapid unloading of the pressure chamber and a rapid response of the fuel injection system in the case of an acceleration.

    摘要翻译: 提出了一种燃料喷射系统,其引起内燃机的加速行为的改善。 燃料喷射系统包括具有布置在其中的测量装置的进气歧管,该测量装置根据流过其中的空气量抵抗恢复力移动,从而致动分配阀的控制滑块。 气流测量装置上的恢复力由燃料驱动,由燃料泵通过阻尼节流阀提供,阻尼节流阀在控制滑块通过端面突出的压力室内工作。 止回阀布置在压力室与泵的排出侧或吸入侧之间的排出管线中,并且在压力室内的预定压力以上打开。 这允许在加速的情况下快速卸载压力室和燃料喷射系统的快速响应。

    Fuel injection system
    3.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4515128A

    公开(公告)日:1985-05-07

    申请号:US541606

    申请日:1983-10-13

    CPC分类号: F02M69/386 F02M69/26

    摘要: A fuel injection system which serves to adapt the fuel-air mixture accurately over a wide range to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, with each of which a regulating valve is associated, the movable valve element of which can be acted upon on one side by the fuel pressure downstream of the particular metering valve and on the other side by the pressure in a differential pressure control line, which is defined on one end by a first electrofluidic converter of the nozzle/baffle type and on the other end by a first throttle. The first electrofluidic converter is triggerable in accordance with operating characteristics of the engine and determines the pressure in the differential pressure control line and thus, via the regulating valves, the differential pressure at the metering valves. The control slide of the metering valves protrudes with one end face into a pressure chamber, which communicates with a restoring force pressure control line in which the pressure, and thus the restoring force exerted upon the control slide, is variable by means of a second electrofluidic converter, which communicates via an uncoupling throttle with the fuel supply line.

    摘要翻译: 一种燃料喷射系统,其用于将燃料 - 空气混合物在宽范围内精确地适应于内燃机的运行状态。 燃料喷射系统包括计量阀,其中每个阀都与调节阀相关联,其可动阀元件可以通过特定计量阀下游的燃料压力一侧作用在另一侧,另一侧通过压力 差压控制线,其一端由喷嘴/挡板型的第一电流转换器限定,另一端由第一节气门限定。 第一电流转换器可根据发动机的运行特性进行触发,并确定差压控制线中的压力,从而通过调节阀来计量计量阀的压差。 计量阀的控制滑块以一个端面突出到压力室中,该压力室与恢复力压力控制线连通,在该压力室中压力施加在控制滑块上的恢复力可通过第二电流 转换器,其通过解耦节气门与燃料供应管线进行通信。

    Fuel injection system
    4.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4648368A

    公开(公告)日:1987-03-10

    申请号:US747755

    申请日:1985-06-24

    摘要: A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating valve whose movable valve element can be exposed on one side to the fuel pressure downstream of the respective metering valve and on the other side to a control pressure line defined on one end by a control pressure valve of the nozzle/impact plate type and on the other end by a control throttle. The control pressure valve has a permanent magnet and an electromagnet, the magnetic fluxes of which are guided via an armature in such a manner that in at least one air gap the magnetic fluxes of the permanent magnet and of the electromagnet extend in the same direction, while in at least one other air gap the magnetic fluxes of the permanent magnet and of the electromagnet extend in opposite directions. This kind of embodiment requires a substantially smaller triggering power on the part of the electromagnet. By reversing the exciter current of the electromagnet, the control pressure valve is opened widely enough that the control pressure engaging the regulating valves causes the closure of the regulating valves, and the injection of fuel is precluded.

    摘要翻译: 提出了一种燃料喷射系统,其用于使燃料 - 空气混合物尽可能精确地适应于内燃机的运行条件。 燃料喷射系统包括计量阀,每个计量阀被分配有调节阀,其可动阀元件可以在一侧暴露于相应计量阀下游的燃料压力,另一侧暴露于在一端限定的控制压力线 通过喷嘴/冲击板型的控制压力阀,另一端由控制油门。 控制压力阀具有永磁体和电磁体,其磁通量通过电枢被引导,使得在至少一个气隙中永磁体和电磁体的磁通量沿相同的方向延伸, 而在至少一个其它气隙中,永磁体和电磁体的磁通量沿相反方向延伸。 这种实施例需要在电磁体的一部分上实质上更小的触发功率。 通过反转电磁铁的励磁机电流,控制压力阀开度足够大,接合调节阀的控制压力导致调节阀关闭,排除燃油喷射。

    Fuel injection system
    5.
    发明授权

    公开(公告)号:US4545353A

    公开(公告)日:1985-10-08

    申请号:US357110

    申请日:1982-03-11

    摘要: A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating valve whose movable valve element can be exposed on one side to the fuel pressure downstream of the respective metering valve and on the other side to a control pressure line defined on one end by a control pressure valve of the nozzle/impact plate type and on the other end by a control throttle. The control pressure valve has a permanent magnet and an electromagnet, the magnetic fluxes of which are guided via an armature in such a manner that in at least one air gap the magnetic fluxes of the permanent magnet and of the electromagnet extend in the same direction, while in at least one other air gap the magnetic fluxes of the permanent magnet and of the electromagnet extend in opposite directions. This kind of embodiment requires a substantially smaller triggering power on the part of the electromagnet. By reversing the exciter current of the electromagnet, the control pressure valve is opened widely enough that the control pressure engaging the regulating valves causes the closure of the regulating valves, and the injection of fuel is precluded.

    Diaphragm pressure regulator
    6.
    发明授权
    Diaphragm pressure regulator 失效
    隔膜压力调节器

    公开(公告)号:US4353385A

    公开(公告)日:1982-10-12

    申请号:US236385

    申请日:1981-02-20

    摘要: A diaphragm pressure regulator is proposed which serves to regulate a fluid pressure in a system having fluid flowing through it, and in particular to relate the fuel pressure in a fuel injection system. The diaphragm pressure regulator includes a valve diaphragm, which cooperates with a valve seat. The valve diaphragm separates a spring chamber having a system pressure spring from a system pressure chamber, into which the valve seat, which is axially displaceable and is supported in an axial bearing point, protrudes and which communicates with the fluid to be regulated. The end of the valve seat remote from the valve diaphragm is embodied as a valve plate and protrudes into a collection chamber, in which it opens a sealing seat toward a return flow line to a greater or lesser extent. A closing pressure spring engages the valve plate and urges the valve seat in the direction of the valve diaphragm. When the valve diaphragm is lifted up from the valve seat, fluid flows via a conduit in the valve seat into the collection chamber. A throttle gap is provided between the system pressure chamber and the collection chamber, by way of which throttle gap fluid can flow out to the collection chamber, when the fluid system is shut off, until such time as the valve plate is pressed in a sealing fashion against the sealing seat and blocks the return flow line, which takes place below a predetermined fluid pressure.

    摘要翻译: 提出了一种隔膜压力调节器,其用于调节具有流过其中的流体的系统中的流体压力,并且特别地涉及燃料喷射系统中的燃料压力。 膜片压力调节器包括与阀座配合的阀膜片。 阀隔膜将具有系统压力弹簧的弹簧室从系统压力室分离开,阀座可轴向移动并被支撑在轴向支承点中,并且与被调节的流体连通。 远离阀隔膜的阀座的端部被实施为阀板并且突出到收集室中,在收集室中朝向返回流动管线打开密封座或多或少的程度。 闭合压力弹簧与阀板接合并沿阀膜片的方向推压阀座。 当阀膜从阀座上升时,流体经由阀座中的导管流入收集室。 在系统压力室和收集室之间提供节流间隙,当流体系统被切断时,节流间隙流体可以通过该节流间隙流体流出到收集室,直到阀板被密封 抵抗密封座并阻止在预定流体压力以下发生的回流管线。

    Fuel injection system
    8.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4530329A

    公开(公告)日:1985-07-23

    申请号:US543653

    申请日:1983-10-19

    摘要: A fuel injection system which serves to supply fuel to an internal combustion engine. The fuel injection system includes a metering and quantity distribution valve with regulating valves connected at the output side, which valves can be influenced by the fuel pressure in a differential pressure control line. Communicating with a fuel supply line is a fuel reservoir, which has a flexible diaphragm which is displaceable by the fuel pressure counter to a reservoir spring in a spring chamber. Shortly before the end of the movement of the flexible diaphragm into the spring chamber, a spring plate resting on the flexible diaphragm opens a sealing valve via a stem. The sealing valve rests on the mouth of an outflow line, which leads via a control throttle to the differential pressure control line. A pressure maintenance valve is likewise disposed upstream of the sealing valve, and a line from a pressure limitation valve and a leakage line from the metering and quantity distribution valve discharge between the pressure maintenance valve and the sealing valve. The spring chamber of the fuel reservoir communicates via a return flow line with the fuel container.

    摘要翻译: 一种燃料喷射系统,其用于向内燃机供应燃料。 燃料喷射系统包括计量和数量分配阀,其具有连接在输出侧的调节阀,该阀可受到差压控制线中的燃料压力的影响。 与燃料供应管线通信是具有柔性隔膜的燃料储存器,其可通过与弹簧室中的储存器弹簧相反的燃料压力移位。 在柔性隔膜移动到弹簧室的结束之前不久,搁置在柔性隔膜上的弹簧板通过阀杆打开密封阀。 密封阀靠在流出管路的嘴部,通过控制节流阀导向压差控制管路。 压力维持阀同样设置在密封阀的上游,并且来自压力限制阀的管线和来自计量和数量分配阀的泄漏管线在压力维持阀和密封阀之间排出。 燃料箱的弹簧室通过回流管线与燃料容器连通。

    Fuel injection system
    9.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4354472A

    公开(公告)日:1982-10-19

    申请号:US146867

    申请日:1980-05-05

    CPC分类号: F02M69/28

    摘要: A fuel injection system is proposed which can be triggered in such a manner that when control signals characterizing engine overrunning are present the fuel injection is interrupted. The fuel injection system includes metering valves, each of which is assigned one regulating valve, the movable valve element of which can be exposed on one side to the fuel pressure downstream of the pertinent metering valve and on the other side to the pressure in a control pressure line, which is limited on one side by a control throttle and on the other side by a control pressure valve. During engine overrunning, an electromagnetic valve which is disposed in a bypass that bypasses the control throttle or the control pressure valve or an electromagnetic valve in the control pressure line can be controlled in such a manner that the fuel pressure in the control pressure line increases and the regulating valves close, as a result of which the fuel injection is interrupted.

    摘要翻译: 提出了一种燃料喷射系统,其可以以表征发动机超速的控制信号的方式被触发,燃料喷射被中断。 燃料喷射系统包括计量阀,每个计量阀被分配一个调节阀,其可动阀元件可以在一侧暴露于相关计量阀下游的燃料压力,另一侧暴露于控制器中的压力 压力线通过控制节流阀一侧限制,另一侧由控制压力阀限制。 在发动机超速运转期间,可以以控制压力线上的燃料压力增加的方式控制设置在绕过控制节气门的旁路的电磁阀或控制压力阀中的电磁阀, 调节阀关闭,因此燃料喷射被中断。

    Fuel injection system
    10.
    发明授权
    Fuel injection system 失效
    燃油喷射系统

    公开(公告)号:US4381751A

    公开(公告)日:1983-05-03

    申请号:US236382

    申请日:1981-02-20

    CPC分类号: F02M69/26

    摘要: A fuel injection system is proposed which serves to provide the most precise possible adaptation of the fuel-air mixture to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned one regulating valve, whose movable valve element can be exposed on the one hand to the fuel pressure downstream of the respective metering valve and on the other hand to the pressure in a control pressure line, which is limited on the one hand by an electro-fluid converter of the nozzle/bounce plate type and on the other hand by a control throttle. The electro-fluid converter is triggerable in accordance with operating characteristics of the engine. A pressure limitation valve is embodied as a diaphragm valve and serves to regulate the most precise possible system pressure in the engine and, when the engine is shut off, it serves to reduce the fuel pressure in the fuel injection system below the fuel pressure required for opening the injection valves and to block the return flow lines.

    摘要翻译: 提出了一种燃料喷射系统,其用于提供燃料 - 空气混合物对内燃机的操作条件的最精确的可能的适应。 燃料喷射系统包括计量阀,每个计量阀被分配一个调节阀,其可移动阀元件可以一方面暴露于相应计量阀下游的燃料压力,另一方面暴露于控制压力 一方面由喷嘴/反弹板型的电流体转换器限制,另一方面由控制节流阀限制。 电流体转换器可根据发动机的操作特性进行触发。 压力限制阀被实施为隔膜阀,并且用于调节发动机中最精确的可能的系统压力,并且当发动机关闭时,其用于将燃料喷射系统中的燃料压力降低到低于 打开注射阀并阻止回流管线。