Electromagnetically actuatable valve, in particular a fuel injection
valve
    1.
    发明授权
    Electromagnetically actuatable valve, in particular a fuel injection valve 失效
    电磁致动阀,特别是燃油喷射阀

    公开(公告)号:US4436071A

    公开(公告)日:1984-03-13

    申请号:US408976

    申请日:1982-08-17

    摘要: An electromagnetically actuatable valve, especially an injection valve for fuel injection systems which supply internal combustion engines with fuel, is proposed in which the fuel injection valve encompasses a valve chamber and a core upon which a magnetic coil is mounted by means of a carrier body. Fuel supply openings discharge into a flow passage provided around the magnetic coil. Vapor bubbles dissolved in the fuel may be flushed out of the flow passage via a first restriction into fuel return openings which communicate with a fuel return line. On the other hand, the fuel may flow from the flow passage into the collecting chamber which houses a valve component and a valve seat. Vapor bubbles which may appear near the valve component may be flushed out via a second restriction which is provided in the interior of a core to reach the fuel return openings. Thus, disturbances with fuel injection, especially during the "hot start" of the internal combustion engine, are avoided.

    摘要翻译: 提出了一种电磁致动阀,特别是一种用于向内燃机提供燃料的燃料喷射系统的喷射阀,其中燃料喷射阀包括通过载体主体安装有电磁线圈的阀室和芯。 燃料供给开口排放到设置在电磁线圈周围的流路中。 溶解在燃料中的气泡可以经由第一限制从流动通道冲出到与燃料返回管路连通的燃料返回开口。 另一方面,燃料可以从流动通道流入容纳阀部件和阀座的收集室。 可能出现在阀部件附近的气泡可以通过设置在芯部内部以到达燃料返回开口的第二限制来冲出。 因此,避免了燃料喷射的干扰,特别是在内燃机的“热启动”期间。

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

    公开(公告)号:US4295452A

    公开(公告)日:1981-10-20

    申请号:US45894

    申请日:1979-06-06

    摘要: A fuel injection system is proposed which serves to supply fuel to a mixture-compressing, externally ignited internal combustion engine in accordance with operational parameters of the engine. The fuel injection system includes a metallic fuel distributor tube, which communicates via at least one branch line with at least one fuel injection valve, wherein the branch line is embodied as a metal tube and is connected with the fuel injection valve by means of a threaded assembly. The material used for the branch line is easily bendable metal. Between the threaded assembly at the branch line and the fuel injection valve, a thin-walled metallic bellows is provided, by means of which a lateral displacement between the attachment point of the branch line at the fuel distributor tube and the installation point of the fuel injection valve is compensated for, and the noise of operation produced by the fuel injection valve is damped.

    摘要翻译: 提出了一种燃料喷射系统,其用于根据发动机的操作参数将燃料供应到混合物压缩的外部点燃的内燃机。 燃料喷射系统包括金属燃料分配管,其经由至少一个分支管线与至少一个燃料喷射阀连通,其中分支线被实施为金属管,并且通过螺纹连接到燃料喷射阀 部件。 用于分支线的材料是易弯曲的金属。 在分支管线的螺纹组件和燃料喷射阀之间,设置有薄壁的金属波纹管,通过该薄壁金属波纹管,在燃料分配器管的分支管线的附接点与燃料的安装点之间的横向位移 喷射阀被补偿,并且由燃料喷射阀产生的操作噪声被抑制。

    Method for mixture formation for mixture-compressing internal combustion
engines and fuel supply system for performing the method
    3.
    发明授权
    Method for mixture formation for mixture-compressing internal combustion engines and fuel supply system for performing the method 失效
    用于混合压缩内燃机和用于执行该方法的燃料供应系统的混合物形成方法

    公开(公告)号:US4474161A

    公开(公告)日:1984-10-02

    申请号:US417971

    申请日:1982-09-14

    摘要: A method for mixture formation for mixture-compressing internal combustion engines having a turbocharger and a fuel supply system for performing the method. The fuel supply system serves to regulate the fuel-air mixture in accordance with operating parameters of the engine and includes a first fuel supply element disposed upstream of a throttle valve and a second fuel supply element disposed upstream of a compressor. Below the operating temperature of the engine, fuel is fed only via the first fuel supply element. Above the operating temperature of the engine, the feeding of fuel is effected via the first fuel supply element until such time as the charging range begins, at a predetermined intake manifold pressure (p.sub.um), and above this pressure only via the second fuel supply element. The transition from one fuel supply element to the other takes place in accordance with a predetermined timed function. As a result, good fuel preparation and good cylinder filling are attained.

    摘要翻译: 一种用于混合压缩内燃机的混合物形成方法,所述内燃机具有涡轮增压器和用于执行该方法的燃料供应系统。 燃料供给系统用于根据发动机的操作参数来调节燃料 - 空气混合物,并且包括设置在节流阀上游的第一燃料供应元件和设置在压缩机上游的第二燃料供应元件。 在发动机的工作温度以下时,仅通过第一燃料供给元件供给燃料。 在发动机的工作温度之上,通过第一燃料供应元件进行燃料的供给,直到充电范围开始时,在预定的进气歧管压力(泵浦)下,并且仅通过第二燃料供给元件 。 从一个燃料供给元件到另一个燃料供应元件的转变是根据预定的定时功能进行的。 结果,获得了良好的燃料准备和良好的气缸填充。

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

    公开(公告)号:US5012787A

    公开(公告)日:1991-05-07

    申请号:US129904

    申请日:1987-12-07

    IPC分类号: F02M69/00 F02M55/00 F02M69/04

    CPC分类号: F02M69/043 F02M55/007

    摘要: A fuel injection system for internal combustion engines is proposed which serves the purpose of fuel injection into the air intake tube of the engine. The fuel injection system includes a fuel injection valve, which is supported upstream of a throttle valve in a holder body disposed coaxially in the air intake tube. A fuel supply line leads to the fuel injection valve, extending in a downwardly directed manner toward the fuel injection valve and away from a deaeration chamber. A fuel return line leads away from the fuel injection valve, extending in an upwardly inclined direction to discharge into the regulating chamber, disposed at a higher level, of a pressure regulating valve. A fuel feed line originating at a fuel supply pump terminates in an upwardly directed manner into the dearation chamber, which communicates via a dearation nozzle with the regulating chamber, so that vapor bubbles can escape upstream of the injection valve into the return side of the injection valve.

    摘要翻译: 提出了一种用于内燃机的燃料喷射系统,其用于将燃料喷射到发动机的进气管中。 燃料喷射系统包括燃料喷射阀,该燃料喷射阀被支撑在同时设置在进气管中的保持器主体中的节流阀的上游。 燃料供给管线通向燃料喷射阀,向下朝向燃料喷射阀延伸并远离脱气室。 燃料返回管线从燃料喷射阀引出,沿向上倾斜的方向延伸,以排出设置在更高位置的压力调节阀的调节室。 源自燃料供应泵的燃料供给管线以向上的方式终止于通过制造喷嘴与调节室连通的制冷室,使得蒸汽气泡可以从喷射阀的上游逸出到喷射器的返回侧 阀。

    Fuel injection valve
    5.
    发明授权
    Fuel injection valve 失效
    燃油喷射阀

    公开(公告)号:US4361126A

    公开(公告)日:1982-11-30

    申请号:US167619

    申请日:1980-07-11

    摘要: A fuel injection valve is proposed which, especially in low-fuel-pressure systems, serves to inject fuel into the intake tube of a mixture-compressing internal combustion engine with externally supplied ignition. The fuel injection valve includes a fixed valve seat cooperating with a movable valve element, downstream of which the fuel to be injected is carried into a mixture guidance channel of a mixture guidance tube and surrounded on all sides with air or exhaust gas for preparation immediately upon its entrance into the mixture guidance channel and injected via an injection opening into the intake tube. The mixture guidance channel may be embodied as tapering in conical fashion toward the injection opening. For the purpose of preliminary preparation of the fuel, secondary air or exhaust gas can already be delivered to the fuel before its entrance into the mixture guidance channel. The fuel injection valve embodied according to the invention assures optimal preparation of the fuel to be injected, even at low fuel pressures, and good running behavior of the engine in the event of abrupt changes in load.

    摘要翻译: 提出了一种燃料喷射阀,特别是在低燃料压力系统中,用于将燃料喷射到具有外部点火供应的混合压缩内燃机的进气管中。 燃料喷射阀包括与可动阀元件配合的固定阀座,下游将要喷射的燃料运送到混合引导管的混合引导通道中,并在空气或废气的所有侧面上被立即包围,以便立即进行准备 其进入混合物引导通道并通过注射开口注入进气管。 混合物引导通道可以以朝向注射开口的锥形方式变形。 为了初步准备燃料,二次空气或废气在其进入混合物引导通道之前可以已经被输送到燃料。 根据本发明实施的燃料喷射阀即使在低燃料压力下也确保了要喷射的燃料的最佳准备,以及在负载突然变化的情况下发动机的良好运行特性。

    Method and device for determining gas flow
    7.
    发明授权
    Method and device for determining gas flow 有权
    用于确定气流的方法和装置

    公开(公告)号:US06820482B2

    公开(公告)日:2004-11-23

    申请号:US10169630

    申请日:2003-01-03

    IPC分类号: G01F168

    CPC分类号: G01P5/12 G01F1/6845

    摘要: A gas flow determination method and a corresponding gas flow determination device. A sensor device including a diaphragm and a frame enclosing it is provided; a predetermined temperature profile is created on the diaphragm; the gas flow to be determined is directed over the diaphragm in a predetermined direction of flow; the change in the temperature profile caused by the gas flow is detected; and the gas flow is determined on the basis of the change thus detected. The temperature at a third location on the diaphragm upstream from the first location and optionally at a fourth location downstream from the second location is regulated at a value corresponding to the local value of the predetermined temperature profile. In this manner, the effect of soiling on the diaphragm may be minimized effectively.

    摘要翻译: 一种气体流量测定方法和相应的气体流量测定装置。 提供包括隔膜和包围其的框架的传感器装置; 在隔膜上形成预定的温度曲线; 要确定的气流以预定的流动方向指向隔膜; 检测由气流导致的温度分布的变化; 并且基于由此检测到的变化确定气体流量。 在第一位置上游并且可选地位于第二位置下游的第四位置处的膜片上的第三位置处的温度被调节为对应于预定温度曲线的局部值的值。 以这种方式,可以有效地使隔膜上的污垢的效果最小化。

    Method for reducing the fuel supply for one engine cylinder
    9.
    发明授权
    Method for reducing the fuel supply for one engine cylinder 失效
    一种用于减少一个发动机气缸的燃料供应的方法

    公开(公告)号:US5275143A

    公开(公告)日:1994-01-04

    申请号:US768982

    申请日:1991-12-09

    摘要: In a method for reducing the fuel supply for one cylinder of a multi-cylinder internal combustion engine with centralized injection, the procedure is that the cylinder located in the intake cycle sequence in front of the cylinder whose mixture is to be made much leaner, for example because of unreliable combustion, is already supplied with less fuel than is the case when all cylinders are operable. In addition, the intake cycle for the failed cylinder itself is supplied with as little fuel as possible. Using this method, it is possible to set a very lean mixture in the failed cylinder but a mixture having a lambda value close to 1 in the remaining cylinders. This ensures that the motor vehicle in which the internal combustion engine with the failed cylinder is operating can still be reliably operated and, at the same time, there is no risk of overheating of the catalytic converter.

    摘要翻译: 在一种用于减少具有集中喷射的多气缸内燃机的一个气缸的燃料供应的方法中,程序是位于进气循环中的汽缸位于气缸前面,其混合物要变得更加稀薄,以便 例如因为不可靠的燃烧,与所有气缸可操作的情况相比,已经提供了更少的燃料。 此外,故障缸本身的进气周期尽可能少地被供给燃料。 使用这种方法,可以在失效的气缸中设置非常稀的混合物,但是在其余气缸中具有接近1的λ值的混合物。 这确保了具有故障汽缸的内燃机运行的机动车辆仍然可靠地运行,并且同时没有催化转化器过热的风险。

    Electro-magnetic valve
    10.
    发明授权
    Electro-magnetic valve 失效
    电磁阀

    公开(公告)号:US4161306A

    公开(公告)日:1979-07-17

    申请号:US727690

    申请日:1976-09-29

    摘要: An electro-magnetic valve having a very fast response and a favorable temperature-gradient characteristic. The valve includes an iron core which carries a stationary magnetic winding within a valve housing, and a plunger coaxially oriented relative to the iron core and separated from the core by an air gap. The magnetic winding is made of a metal having a specific resistance greater than 20 milli-ohms per square millimeter of cross-sectional area per meter length at 20 degrees centigrade. The valve may also include a temperature compensating resistor connected in series with the magnetic winding.When used in an electronic fuel-injection system for an engine having an even number of cylinders, in which one of these valves is used for each cylinder, these valves can be electrically paired, with one valve of each pair connected in series with the other valve of that pair, and connected to a power source without requiring the use of a compensating resistor in series with the magnetic winding of each valve, due to the identical short response time of each valve.

    摘要翻译: 具有非常快的响应和良好的温度梯度特性的电磁阀。 该阀包括铁芯,其在阀壳体内承载固定的磁性绕组,以及相对于铁芯同轴取向的柱塞,并且通过气隙与芯分离。 磁性绕组由在20摄氏度下具有大于20毫欧每平方毫米横截面积/米长的电阻率的金属制成。 阀还可以包括与磁性绕组串联连接的温度补偿电阻器。