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公开(公告)号：US20160153384A1
公开(公告)日：2016-06-02
申请号：US14558406
申请日：2014-12-02
CPC分类号： F02D41/3082 , F02D41/064 , F02D41/3854 , F02D2200/0602 , F02D2200/0604 , F02D2200/0606 , F02D2200/0612 , F02D2250/02 , F02D2250/04
摘要： Systems and methods for sensing fuel vapor pressure are provided. In one example, a method for a vehicle comprises: during an engine start after the engine has been off for at least a minimum duration, actively controlling fuel pressure in the fuel system to a vapor-liquid volume ratio greater than zero and then recording sensed fuel pressure and temperature in the fuel system. In this way, the vapor pressure of a fuel at a given temperature may be accurately measured during isothermal conditions, thereby improving an estimation of fuel volatility.
摘要翻译： 提供了用于检测燃料蒸气压力的系统和方法。 在一个示例中，车辆的方法包括：在发动机起动至少最短持续时间之后的发动机起动期间，主动地将燃料系统中的燃料压力控制为大于零的气液体积比，然后记录感测 燃油系统中的燃油压力和温度。 以这种方式，可以在等温条件下精确地测量给定温度下的燃料的蒸气压，从而改善燃料挥发性的估计。
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2.发明申请公开(公告)号：US20150142295A1
公开(公告)日：2015-05-21
申请号：US14548555
申请日：2014-11-20
发明人： Michael LEBLON
IPC分类号： F02D1/08
CPC分类号： F02D1/08 , F02D41/2096 , F02D41/221 , F02D41/247 , F02D2041/1433 , F02D2200/0602
摘要： Disclosed is a method for monitoring a fuel injector, the injector including a piezoelectric actuator controlling a valve unit to open or close the injector, the fuel injector including an actuator play. The method includes: measuring a plurality of compensation times of the actuator play during a simulation step preceding an injection for a given plurality of fuel pressures; calculating a parameter representing the current actuator play per the measured compensation times; comparing the parameter representing the calculated current actuator play with a predetermined reference parameter of the actuator play; and transmitting a warning message if the reference parameter is exceeded; the parameter representative of the current actuator play being calculated on the basis of a polynomial function of the measured compensation times. The polynomial order of the polynomial function corresponding to the number of measured compensation times of the actuator play for different fuel pressures.
摘要翻译： 公开了一种用于监测燃料喷射器的方法，所述喷射器包括控制阀单元以打开或关闭喷射器的压电致动器，所述燃料喷射器包括致动器游隙。 该方法包括：在对于给定的多个燃料压力的喷射之前的模拟步骤期间，测量致动器打击的多个补偿时间; 根据测量的补偿时间计算表示当前执行机构的参数; 将表示所计算的当前致动器播放的参数与致动器播放的预定参考参数进行比较; 并且如果超过参考参数则发送警告消息; 基于所测量的补偿时间的多项式函数来计算表示当前致动器游隙的参数。 多项式函数的多项式阶数对应于不同燃料压力下执行器的测量补偿次数。
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公开(公告)号：US06953022B1
公开(公告)日：2005-10-11
申请号：US10297016
申请日：2000-05-26
申请人： Seiji Itsuki , Satoshi Hattori , Hajimu Imanaka , Junichi Samo , Masamichi Tanaka , Yoshihiro Yokome
发明人： Seiji Itsuki , Satoshi Hattori , Hajimu Imanaka , Junichi Samo , Masamichi Tanaka , Yoshihiro Yokome
IPC分类号： F02D1/02 , F02D1/04 , F02D1/08 , F02D1/10 , F02M39/02 , F02M41/06 , F02M59/10 , F02M59/26 , F02M59/28 , F02M59/34 , F02M59/36 , F02M59/48 , F02D31/00
CPC分类号： F02M59/265 , F02D1/025 , F02D1/04 , F02D1/10 , F02D2001/085 , F02M39/02 , F02M41/06 , F02M41/063 , F02M41/066 , F02M59/102 , F02M59/28 , F02M59/34 , F02M59/362 , F02M59/366 , F02M59/48
摘要： A fuel injection pump, comprising three sub-mechanism parts; a lower mechanism part (A), a head mechanism part (B), and a governor mechanism part (C), wherein, when the governor mechanism part (C) is assembled into the combination of the lower mechanism part (A) and head mechanism part (B) after the lower mechanism part (A) and head mechanism part (B) are assembled with each other, a governor link (27) installed extendedly from the governor mechanism part (C) is inserted into both mechanism parts (A, B) and, when a hook groove (27a) at the tip of the governor link (27) is engaged with a lock pin (21a) in a control slider (21) for the rotation of a plunger (7) disposed inside the lower mechanism part (A) and head mechanism part (B), first, with a cut surface (33b) of a lift pin (33) facing upward, the governor link (27) is put on the cut surface (33b) so as to position the hook groove (27a) under the lock pin (21a), and then the lift pin (33) is rotated to face the cut surface (33b) downward, and the governor link (27) is swung upward by a cam part (33a) so as to engage the hook groove (27a) with the lock pin (21a).
摘要翻译： 一种燃料喷射泵，包括三个子机构部分; 下部机构部分（A），头部机构部分（B）和调速器机构部分（C），其中当调速器机构部分（C）组装成下部机构部分（A）和头部 机构部分（B）在下部机构部分（A）和头部机构部分（B）彼此组装之后，将从调节器机构部分（C）延伸设置的调速器连杆（27）插入到两个机构部分 ，B），并且当在所述调节器连杆（27）的尖端处的钩槽（27a）与控制滑块（21）中的锁定销（21a）接合以用于所设置的柱塞（7）的旋转时 在下部机构部分（A）和头部机构部分（B）的内部，首先具有面向上的提升销（33）的切割表面（33b），调节器连杆（27）被放置在切割表面 b）将钩槽（27a）定位在锁定销（21a）下方，然后提升销（33）向下旋转以面对切割表面（33b），并且调速器连杆（27a） ）通过凸轮部分（33a）向上摆动，以使钩槽（27a）与锁定销（21a）接合。
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公开(公告)号：US5809954A
公开(公告)日：1998-09-22
申请号：US772814
申请日：1996-12-24
申请人： Michael J. Devine , Robert L. Kiliz
发明人： Michael J. Devine , Robert L. Kiliz
CPC分类号： F01L13/0057 , F01L1/34413 , F02D1/16 , F02D1/18 , F01L1/181 , F01L2001/0473 , F01L2013/0052 , F01L2105/00 , F02D2001/087
摘要： Start of fuel delivery for a fuel-injected engine having separate unit injectors is adjusted by effecting a positional adjustment of camshaft lobes on a camshaft. The camshaft is used to operate the unit injectors, as well as control exhaust valve operations. By separately controlling the position of the cam lobes which operate the unit fuel injectors, a change it start of fuel delivery is effected. A change in relative position of the cam lobes is accomplished by shifting a guide rod within a hollow body of the camshaft. The change in position of the guide rod, in turn, effects a change in position of the cam lobes which are connected to the guide rod.
摘要翻译： 通过对凸轮轴上的凸轮轴凸角进行位置调整来调节具有分离单元喷射器的燃料喷射发动机的燃料输送开始。 凸轮轴用于操作单元喷油器，以及控制排气阀操作。 通过单独控制操作单元燃料喷射器的凸轮凸角的位置，实现燃料输送开始的改变。 凸轮凸角的相对位置的改变是通过将导杆移动到凸轮轴的空心体内而实现的。 导杆的位置变化又会影响与导杆连接的凸轮凸角的位置变化。
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公开(公告)号：US5323746A
公开(公告)日：1994-06-28
申请号：US865705
申请日：1992-04-08
CPC分类号： F02D41/38 , F02D31/001 , F02D2250/18
摘要： A governor system for the fuel pump of an engine which drives a vehicle through a multi ratio gearbox includes an all speed governor. The governor characteristic in the intermediate speed range is modified by means responsive to the load on the vehicle and by means responsive to the transmission ratio of the gearbox.
摘要翻译： 用于通过多级齿轮箱驱动车辆的发动机的燃料泵的调速器系统包括全速调速器。 在中速范围内的调速器特性通过响应于车辆上的负载并且通过响应于变速箱的传动比的方式来改变。
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公开(公告)号：US5265569A
公开(公告)日：1993-11-30
申请号：US847034
申请日：1992-04-16
申请人： Masaki Egashira , Masakazu Haga , Osamu Tomikawa , Touichi Hirata
发明人： Masaki Egashira , Masakazu Haga , Osamu Tomikawa , Touichi Hirata
CPC分类号： F02D31/007
摘要： A rotational speed control system for controlling the number of revolutions of an engine through remote control of rotation of a governor lever. This rotational speed control system includes a stepping motor for rotating the governor lever, lever position sensor switches for detecting abutment of the governor lever against stoppers, respectively, a pulse counter, and a controller. The controller is adapted to store a count value of the pulse counter as a renewable reference value when the position sensor switches are turned on, to carry out the rotational speed control of the engine and necessary preadjustments according the reference value.
摘要翻译： PCT No.PCT / JP91 / 01299 Sec。 371日期：1992年4月16日 102（e）日期1992年4月16日PCT 1991年9月27日PCT公布。 出版物WO92 / 06287 日期：1992年04月16日。一种旋转速度控制系统，用于通过遥控调节杆的旋转来控制发动机的转数。 该旋转速度控制系统包括用于旋转调速器杆的步进电机，用于检测调速器杆与止动器的抵接的杆位置传感器开关，脉冲计数器和控制器。 控制器适于在位置传感器开关接通时将脉冲计数器的计数值存储为可再生参考值，以根据参考值执行发动机的转速控制和必要的预调整。
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公开(公告)号：US5193504A
公开(公告)日：1993-03-16
申请号：US910373
申请日：1992-07-08
申请人： Karl Konrath
发明人： Karl Konrath
CPC分类号： F02D1/08 , F02D1/10 , F02M59/38 , F02M59/447
摘要： A fuel injection pump for internal combustion engines having a supply quantity adjusting device, in which a full-load stop for the quantity adjustment can be varied by the imposition of a stepping motor, and in which idling rpm governing is possible. The adjusting device has a tensed drag lever group, which acts as the stop lever for the stepping motor. If the stepping motor should fail in the idling position, emergency operation is possible by overpressing the drag lever.
摘要翻译： 一种用于具有供给量调节装置的内燃机的燃料喷射泵，其中通过施加步进电机可以改变用于量调节的满载停止，并且可以进行空转转速调节。 调节装置具有张紧的牵引杆组，其作为步进电机的停止杆。 如果步进电机在空转位置发生故障，则可以通过按压推杆来进行紧急操作。
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公开(公告)号：US5148789A
公开(公告)日：1992-09-22
申请号：US609570
申请日：1990-11-06
申请人： Yasunori Shiraishi , Masahiro Nagahama , Mutsumi Murata , Yuzo Umeda , Setsuo Yamada , Kazuyoshi Morioka
发明人： Yasunori Shiraishi , Masahiro Nagahama , Mutsumi Murata , Yuzo Umeda , Setsuo Yamada , Kazuyoshi Morioka
CPC分类号： F02M59/447 , F02D1/04 , F02D1/08 , F02D1/10 , F02B3/06
摘要： In a governor device of a diesel engine, a control rack of a fuel injection pump is adapted to be controllably actuated by a balance between a governor spring and an engine revolution speed responsive means. A speed control member is adapted to be manipulated for adjusting a tension force of the governor spring. A fuel limiting actuation member serves to prevent an excessive fuel flow from being injected when the speed control member is manipulated for a quick acceleration. A quick acceleration state detecting means serves to detect a quickly accelerated state of the engine so as to selectively change over the fuel limiting actuation member to a fuel limiting position and to a fuel limitation cancelling position depending on the lapse of time.
摘要翻译： 在柴油发动机的调速器装置中，燃料喷射泵的控制齿条通过调速器弹簧和发动机转速响应装置之间的平衡被可控制地驱动。 速度控制构件适于被操纵以调节调速器弹簧的张力。 燃料限制致动构件用于防止在速度控制构件被操纵以进行快速加速时喷射过量的燃料。 快速加速状态检测装置用于检测发动机的快速加速状态，以根据时间的流逝选择性地将燃料限制致动构件切换到燃料限制位置和燃料限制取消位置。
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公开(公告)号：US5080564A
公开(公告)日：1992-01-14
申请号：US469921
申请日：1990-01-24
CPC分类号： F02M59/246 , F02D1/08 , F02M2200/24
摘要： A prestroke control device for a fuel injection pump includes at least one control sleeve slidably fitted on at least one plunger, a control rod engaging the control sleeve, the control rod extending perpendicularly to the plunger and rotatable about an axis thereof for varying an axial position of the control sleeve relative to the plunger to thereby control the prestroke of the plunger, and an actuator for rotatively driving the control rod about its own axis. A counterweight is movable in unison with rotation of the control rod for cancelling a rotating force generated by axial movement of the control sleeve and acting upon the control rod.
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公开(公告)号：US5044890A
公开(公告)日：1991-09-03
申请号：US544561
申请日：1990-06-27
CPC分类号： F02M59/44 , F02D1/08 , F02M41/123 , F02B3/06
摘要： A fuel injection pump for internal combustion engines that has a pump interior and a final control element chamber, separated from it, the latter having an electric final control element for actuating a quantity adjusting device that determines a fuel injection quantity, parts of the final control element from which a control variable for the injection quantity is derived and which thereby serves as a material measure, are to be protected from the influence of fuel. By means of a jet pump through which a permanent propulsive flow flows and which is part of a flow conduit, the static pressure at the intake bore of the jet pump that communicates with the final control element chamber is lowered, and this negative pressure is utilized for evacuating the fuel entering the final control element chamber in the form of a leakage flow along the bearing of a control shaft. This arrangement is particularly suitable for high-pressure injection in Diesel engines, to attain highly accurate fuel metering that is stable over a long period of time.
摘要翻译： 一种用于内燃机的燃料喷射泵，其具有与其分离的泵内部和最终控制元件室，后者具有用于确定燃料喷射量的电动最终控制元件，用于确定燃料喷射量的部分， 导出喷射量的控制变量并因此用作材料测量的元件将被保护免受燃料的影响。 通过喷射泵，永久性推进流动通过该喷射泵流动并且是流动管道的一部分，与最终控制元件室连通的喷射泵进气孔处的静压力降低，并且利用该负压 用于以沿着控制轴的轴承的泄漏流的形式排出进入最终控制元件室的燃料。 这种布置特别适用于柴油发动机的高压喷射，以获得在长时间内稳定的高精度燃油计量。
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