Exhaust-gas-recirculation system for use in diesel engines
    1.
    发明授权
    Exhaust-gas-recirculation system for use in diesel engines 失效
    用于柴油发动机的排气再循环系统

    公开(公告)号:US4295456A

    公开(公告)日:1981-10-20

    申请号:US92516

    申请日:1979-11-08

    摘要: An exhaust-gas-recirculation system for use in diesel engines, having a valve member adapted to control the flow rate of the exhaust gas recirculated from the exhaust pipe to the intake pipe of the diesel engine. The exhaust-gas-recirculation system has a fly-weight rotatable in synchronization with the engine to produce a centrifugal force, a governor sleeve displaceable in response to a thrust thereon given by the fly-weight, a control spring counteracting the thrust on the governor sleeve and having a spring load changeable in response to the change in the amount of depression of an accelerator pedal, and an actuator operative in response to the displacement of the governor sleeve to actuate the valve member.

    摘要翻译: 一种用于柴油发动机的排气再循环系统,具有适于控制从排气管再循环到柴油发动机的进气管的废气的流量的阀构件。 排气再循环系统具有与发动机同步旋转的飞轮,以产生离心力,调节器套筒可响应于由飞轮重量给定的推力而移位;控制弹簧抵抗调速器上的推力 并且响应于加速器踏板的下压量的变化而具有可改变的弹簧负载,以及致动器,其响应于调节器套筒的位移而致动阀构件而起作用。

    Fuel injection amount - fluid pressure conversion system
    3.
    发明授权
    Fuel injection amount - fluid pressure conversion system 失效
    燃油喷射量 - 流体压力转换系统

    公开(公告)号:US4327684A

    公开(公告)日:1982-05-04

    申请号:US61425

    申请日:1979-07-27

    CPC分类号: F02M41/124 F02B1/04

    摘要: In an internal combustion engine equipped with a fuel injection pump which has a movable fuel amount determining element, the position of which determines the amount of fuel provided for injection by the fuel injection pump, a pressure regulating valve is disclosed which is coupled to the movement of the movable fuel amount determining element and which provides an output fluid pressure which represents the position of this element, and therefore represents the load on the engine. The valve comprises a fixed orifice supplied with a constant fluid pressure, a fluid passage downstream of the fixed orifice, a pressure takeoff passage branching from the fluid passage, and a variable orifice downstream of the fluid passage whose effective opening area is varied according to the movement of the fuel amount determining element. Fluid flows from the upstream side of the fixed orifice through it, through the fluid passage, and through the variable orifice, in that order, the pressure of fluid at the point where the pressure takeoff passage branches from the fluid passage varying according to the position of the fuel amount determining element.

    摘要翻译: 在配备有具有可动燃料量确定元件的燃料喷射泵的内燃机中,所述燃料喷射泵的位置决定了由燃料喷射泵提供的用于喷射的燃料量,公开了一种压力调节阀, 并且提供表示该元件的位置的输出流体压力,因此表示发动机上的负载。 该阀包括供给恒定流体压力的固定孔,固定孔下游的流体通道,从流体通道分支的压力输出通道,以及流体通道下游的可变孔,其有效开口面积根据 燃料量确定元件的移动。 流体从固定孔的上游侧通过流体通道流动,并且通过可变孔口依次顺序流过压力通道从流体通道分支的点根据位置而变化的压力 的燃料量确定元件。

    Manifold reactor with auxiliary chamber for secondary afterburning
during start-up
    4.
    发明授权
    Manifold reactor with auxiliary chamber for secondary afterburning during start-up 失效
    具有辅助室的歧管反应器,用于启动期间的二次次燃烧

    公开(公告)号:US3991566A

    公开(公告)日:1976-11-16

    申请号:US593331

    申请日:1975-07-07

    摘要: A thermal reactor for an internal combustion engine wherein when the temperature of the engine is low, exhaust gas exhausted from the engine is reacted in an inner core before it is mixed with secondary air and then guided to a riser member where it is heat-exchanged with intake gas mixture and thereafter exhausted through a bypass passage, and when the temperature of the engine is moderate to high the exhaust gas is mixed in the inner core with the secondary air introduced into the inner core through the vicinity of the riser member, whereby unburnt component in the exhaust gas is burnt and exhausted.

    摘要翻译: 一种用于内燃机的热反应器,其中当发动机的温度低时,从发动机排出的废气在与二次空气混合之前在内核中反应,然后被引导到其中进行热交换的提升管构件 其中进气混合物然后通过旁通通道排出,并且当发动机的温度中等到高时,废气在内芯中混合,二次空气通过提升管构件附近引入内芯中,由此 废气中的未燃烧成分燃烧和排出。

    Fuel injection device
    5.
    发明授权
    Fuel injection device 失效
    燃油喷射装置

    公开(公告)号:US5076241A

    公开(公告)日:1991-12-31

    申请号:US408147

    申请日:1989-09-15

    摘要: A unit injector comprising a plunger, a high pressure fuel chamber, and a needle; the pressure of fuel in the high pressure fuel chamber being increased by the plunger. A spill valve is slidably inserted into a bore and is actuated by an actuator. The spill valve has a first annular fitting portion in tight contact with the inner wall of the bore at one end thereof, and has a second annular fitting portion in tight contact with the inner wall of the bore at the other end thereof. The bore has an annular valve seat formed on the wall thereof, and the spill valve has an annular valve portion between the first annular fitting portion and the second annular fitting portion. A high pressure fuel introduction chamber is formed around the spill valve between the first annular fitting portion and the annular valve portion and is continuously connected to the high pressure fuel chamber. A fuel spill chamber is formed around the spill valve between the second annular fitting portion and the annular valve portion, and when the annular valve portion is moved away from the annular valve seat, fuel under a high pressure is spilled out from the high pressure fuel chamber into the fuel spill and the fuel injection is stopped.

    摘要翻译: 一种单元喷射器,包括柱塞,高压燃料室和针; 高压燃料室中的燃料压力由柱塞增加。 溢流阀可滑动地插入孔中并由致动器致动。 溢流阀具有在其一端处与孔的内壁紧密接触的第一环形装配部分,并且在其另一端处具有与孔的内壁紧密接触的第二环形装配部分。 所述孔具有形成在其壁上的环形阀座,并且所述溢流阀在所述第一环形配合部和所述第二环形配合部之间具有环形阀部。 高压燃料引入室围绕第一环形配合部分和环形阀部分之间的溢流阀形成,并连续地连接到高压燃料室。 在第二环形配件部分和环形阀部分之间的溢流阀周围形成燃料溢出室,当环形阀部分从环形阀座移开时,高压燃料从高压燃料 进入燃料溢出并停止燃油喷射。

    Electrical fuel injection pump governor
    6.
    发明授权
    Electrical fuel injection pump governor 失效
    电动燃油喷射泵调速器

    公开(公告)号:US4416232A

    公开(公告)日:1983-11-22

    申请号:US282955

    申请日:1981-07-13

    摘要: An electrical governor for a fuel injection pump with a spill ring comprises an acceleration pedal operating amount (PA) detector, an engine rotational speed (N) detector, a spill ring displacement detector, a maximum limit injection amount pattern memory for storing the relation between the engine rotational speed (N) and the maximum smoke concentration generating injection amount (Qmax), a partial load injection amount pattern memory for storing the relation between the rotational speed (N) and the partial load injection amount (Qpar) corresponding to the acceleration pedal operating amount (PA) with the acceleration pedal operating amount (PA) as a parameter, a minimum limit injection amount pattern memory for storing the relation between the rotational speed (N) and the minimum limit injection amount (Qmin), a target position pattern memory for storing the relation between the target injection amount (Qf) and the spill ring displacement target position (V.sub.SN), microcomputer means for reading out the values Qmin, Qpar and Qmax for the detected values PA and N and calculating the values Qf' and V.sub.SN ' corresponding to the detected values PA and N by interpolation, and actuator drive means for correcting the spill ring displacement in accordance with the calculated target position V.sub.SN ', thereby correcting the change in the fuel injection amount caused by the change in rotational speed. The governor alternatively includes a target position pattern memory for storing the relation between the values PA, N and V.sub.SN for a corresponding value Qf.

    摘要翻译: 一种具有溢流环的燃油喷射泵的调速器包括加速踏板操作量(PA)检测器,发动机转速(N)检测器,溢流环位移检测器,最大限制喷射量模式存储器,用于存储 发动机转速(N)和最大烟雾浓度产生喷射量(Qmax)),用于存储转速(N)和对应于加速度的部分负荷喷射量(Qpar)之间的关系的局部负荷喷射量模式存储器 加速踏板操作量(PA)作为参数的踏板操作量(PA),用于存储转速(N)与最小限制喷射量(Qmin)之间的关系的最小限制喷射量图案存储器,目标位置 用于存储目标喷射量(Qf)和溢出环位移目标位置(VSN)之间的关系的模式存储器,微机装置 r读出检测值PA和N的值Qmin,Qpar和Qmax,并通过插值计算与检测值PA和N相对应的值Qf'和VSN';以及致动器驱动装置,用于根据 计算出的目标位置VSN',从而校正由转速变化引起的燃料喷射量的变化。 调速器或者包括用于存储对应值Qf的值PA,N和VSN之间的关系的目标位置模式存储器。

    Carburetor equipped with a cooling system
    7.
    发明授权
    Carburetor equipped with a cooling system 失效
    化油器配有冷却系统

    公开(公告)号:US4036188A

    公开(公告)日:1977-07-19

    申请号:US522131

    申请日:1974-11-08

    摘要: A carburetor equipped with a cooling system composed of cooling fluid passages incorporated in the carburetor flange and/or heat insulator mounted below the flange portion, said cooling system being supplied with cooling fluid only for a predetermined duration from the instant of opening the ignition switch to protect the carburetor casing from being overheated by an intake manifold incorporating exhaust gas heating.

    摘要翻译: 一种配有冷却系统的化油器,该冷却系统由安装在化油器法兰中的冷却流体通道和/或安装在法兰部分下方的隔热件组成,所述冷却系统仅从打开点火开关的时刻提供冷却流体至预定的持续时间 保护化油器外壳不被含有排气加热的进气歧管过热。

    Electric control apparatus for fuel injection pumps
    8.
    发明授权
    Electric control apparatus for fuel injection pumps 失效
    燃油喷射泵电控装置

    公开(公告)号:US4423485A

    公开(公告)日:1983-12-27

    申请号:US249866

    申请日:1981-04-01

    摘要: An electric control apparatus for a fuel injection pump comprises a fuel flow sensor for detecting the net quantity of fuel supplied to the fuel injection pump, operating condition sensors for detecting operating condition parameters of an engine, a servo device for driving a fuel injection quantity controlling element of the fuel injection pump which controls the fuel injection quantity of the fuel injection pump, and an electric control circuit for receiving detection signals from the fuel flow sensor and the operating condition sensors, computing the actual fuel injection quantity and the desired fuel injection quantity, and determining an error between the computed actual fuel injection quantity and desired fuel injection quantity to drive the fuel injection quantity controlling element of the fuel injection pump through the servo device in accordance with an error representing signal, thereby controlling the actual fuel injection quantity at the desired fuel injection quantity.By ensuring high detection accuracy of the fuel flow sensor, it is possible to accomplish high precision control of the fuel injection quantity without utilizing the position of a moving part of the fuel injection quantity controlling element of the fuel injection pump.

    摘要翻译: 一种用于燃料喷射泵的电气控制装置,包括用于检测供给到燃料喷射泵的燃料净量的燃料流量传感器,用于检测发动机的运行状态参数的操作条件传感器,用于驱动燃料喷射量控制的伺服装置 控制燃料喷射泵的燃料喷射量的燃料喷射泵的元件,以及用于接收来自燃料流量传感器和操作状态传感器的检测信号的电气控制电路,计算实际燃料喷射量和期望燃料喷射量 ,并且根据所述误差表示信号,确定计算出的实际燃料喷射量与期望燃料喷射量之间的误差,以通过伺服装置驱动燃料喷射泵的燃料喷射量控制元件,从而将实际燃料喷射量控制在 所需的燃料喷射量。 通过确保燃料流量传感器的高检测精度,可以在不利用燃料喷射泵的燃料喷射量控制元件的移动部分的位置的情况下实现燃料喷射量的高精度控制。

    Exhaust gas recirculation for a diesel engine
    9.
    发明授权
    Exhaust gas recirculation for a diesel engine 失效
    柴油发动机废气再循环

    公开(公告)号:US4222356A

    公开(公告)日:1980-09-16

    申请号:US961723

    申请日:1978-11-17

    摘要: Disclosed herein is an exhaust gas recirculation control valve for a diesel engine. The valve comprises a valve casing, disposed in the intake line of the engine, of a rectangular cross sectional shape. A valve seat connected to an exhaust line of the engine via an EGR passageway is formed in a side wall of the rectangular shaped valve casing. A valve member of a plate shape is arranged in the casing and is rotated about an axis located upstream of the valve seat in such a manner that the valve member is moved between a position wherein the plate closes the valve seat and another position wherein the plate closes the intake passageway. The valve device is operated by an actuator means including a vacuum actuator connected to the valve plate and a vacuum generator which transmits a vacuum signal into the actuator in accordance with the load of the engine.

    摘要翻译: 这里公开了一种用于柴油发动机的废气再循环控制阀。 阀包括设置在发动机的进气管线中的具有矩形横截面形状的阀壳体。 在矩形阀壳体的侧壁中形成有通过EGR通路连接到发动机的排气管线的阀座。 板状的阀构件布置在壳体中并围绕位于阀座上游的轴线旋转,使得阀构件在板关闭阀座的位置和其中板之间移动的位置之间移动 关闭进气通道。 阀装置由包括连接到阀板的真空致动器的致动器装置和根据发动机的负载将真空信号传递到致动器的真空发生器来操作。

    Apparatus for heating an intake manifold in an internal combustion engine
    10.
    发明授权
    Apparatus for heating an intake manifold in an internal combustion engine 失效
    用于加热内燃机中的进气歧管的装置

    公开(公告)号:US4010724A

    公开(公告)日:1977-03-08

    申请号:US511522

    申请日:1974-10-03

    申请人: Hiroshi Sami

    发明人: Hiroshi Sami

    CPC分类号: F02M31/08 Y02T10/126

    摘要: Apparatus for heating an intake manifold in an internal combustion engine comprising a heating chamber for heating an intake manifold, arranged below a riser portion of the latter and communicated with the inside of an exhaust reactor; a by-pass for the exhaust gas provided in the reactor, the upstream end thereof opening into said heating chamber and the downstream end opening into a passage connecting the inside of the reactor to an exhaust pipe; and control valve means provided in said passage adjacent to the downstream end of the by-pass to alternatively divert the flow route of the exhaust gas.

    摘要翻译: 一种用于加热内燃机中的进气歧管的装置,包括一个加热室,用于加热进气歧管,该进气歧管布置在其后部的提升管部分的下方并与排气反应器的内部连通; 设置在反应器中的废气的旁路,其上游端通入所述加热室,下游端开口形成将反应器内部连接到排气管的通道; 以及设置在与所述旁路的下游端相邻的所述通道中的控制阀装置,以交替地转向排气的流动路径。