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公开(公告)号:WO2015045508A1
公开(公告)日:2015-04-02
申请号:PCT/JP2014/065839
申请日:2014-06-16
Applicant: 日立オートモティブシステムズ株式会社
CPC classification number: F02D41/247 , F02D41/20 , F02D41/402 , F02D2041/2003 , F02D2041/2055 , F02D2041/2058 , F02D2200/0618 , F02M51/0671 , F02M51/0678 , F02M51/0685 , F02M61/1833 , F02M61/1893 , Y02T10/44
Abstract: 本発明の目的は、複数の噴射パルス幅による燃料噴射を組み合わせることにより、噴射される燃料噴射量の精度を高めることができる燃料噴射装置の駆動装置を提供することにある。 1燃焼サイクル中の燃料噴射を複数回に分割して行うように燃料噴射装置を駆動する機能を備えた燃料噴射装置の駆動装置において、1燃焼サイクル中に行う複数回の分割噴射の中に、燃料噴射装置の弁体または可動子が規制部に到達する目標開度での燃料噴射と、弁体が規制部に到達しない中間開度での燃料噴射とを含むようにして燃料噴射装置を駆動する。
Abstract translation: 本发明的目的是提供一种用于燃料喷射装置的驱动装置,由此通过在燃料喷射期间组合多个喷射脉冲宽度可以提高要喷射的燃料的喷射量的精度。 该燃料喷射装置的驱动装置具有驱动燃料喷射装置的功能,使得在一个燃烧循环期间多次分配燃料喷射,驱动燃料喷射装置,以便在目标开度处包括燃料喷射 在燃料喷射装置的阀体或动子到达调节部分的程度和在一个燃烧循环期间分开执行多次的喷射期间阀体未到达调节部分的中间开度的燃料喷射。
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公开(公告)号:WO2014173071A1
公开(公告)日:2014-10-30
申请号:PCT/CN2013/084278
申请日:2013-09-26
Applicant: 广州海鸥卫浴用品股份有限公司
CPC classification number: B05B1/02 , B05B1/3046 , B05B7/0408 , B05B7/06 , F02M51/0678 , F02M61/042 , F02M61/12 , F02M61/163
Abstract: 一种用于射流装置的喷针,包括喷针主体(1)和设置在所述喷针主体(1)端部的锥形部(2),其特征在于,所述喷针主体(1)周向设置有支撑体,以在所述喷针装配在射流装置的喷嘴(9)中时,所述支撑体的外表面与所述喷嘴的内腔配合以对所述喷针主体(1)限位,在所述支撑体之间形成流体通道(3),从而当通过喷嘴的流体的压力较大或很大,并且流体流速不稳定时,在不影响流体顺畅流动的前提下,能够有效地防止喷针由于其径向方向上承受很大并不均匀的径向压力而与喷嘴的喷口偏离或者发生径向摆动,影响到喷嘴的喷射效果。
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公开(公告)号:WO02003038A1
公开(公告)日:2002-01-10
申请号:PCT/US2001/020384
申请日:2001-06-27
IPC: F02B75/12 , F02D41/40 , F02M51/06 , F02M55/02 , F02M61/16 , F02M61/18 , F02M63/00 , F02M65/00 , G01F1/66 , G01F1/86 , G01F1/00 , F02D41/14 , G01P3/36
CPC classification number: F02M51/0678 , F02B2075/125 , F02D41/40 , F02D2041/288 , F02D2041/389 , F02D2200/0614 , F02M55/02 , F02M61/163 , F02M61/18 , F02M63/00 , F02M65/00 , F02M2200/24 , G01F1/661 , G01F1/86 , Y02T10/123 , Y02T10/44
Abstract: A flow meter having a laser Doppler anemometer (LDA) which measures the instantaneous centerline velocity of fluid flow in a pipe and processes the instantaneous velocity so obtained to compute the volumetric flow rate, mass rate, and other flow characteristics as instantaneous quantities and/or integrated over a time interval using an electronic processing method which provides an exact solution to the Navier-Stokes equations for any periodically oscillating flow. The flow meter is particularly adapted for measuring the flow characteristics of high pressure automotive fuel injection systems. Three embodiments of the flow meter are described, including a stationary stand (110) for off-line bench testing flow rate in a fuel injection system (116, 118, 120), a portable flow meter (170) for inline testing in a vehicle's fuel line, and an on-board flow meter sensor (200) connected to an engine control module (214).
Abstract translation: 一种具有激光多普勒风速计(LDA)的流量计,其测量管道中流体流动的瞬时中心线速度,并处理如此获得的瞬时速度,以计算体积流量,质量比和其他流动特性作为瞬时量和/或 使用电子处理方法在一段时间间隔内集成,该方法为任何周期性振荡流提供Navier-Stokes方程的精确解。 流量计特别适用于测量高压汽车燃油喷射系统的流量特性。 描述了流量计的三个实施例,包括用于燃料喷射系统(116,118,120)中的离线台架测试流量的固定支架(110),便携式流量计(170),用于在车辆 燃料管线和连接到发动机控制模块(214)的车载流量计传感器(200)。
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公开(公告)号:WO01066933A1
公开(公告)日:2001-09-13
申请号:PCT/JP2000/001393
申请日:2000-03-08
CPC classification number: F02M51/0682 , F02D41/20 , F02D2041/2017 , F02D2041/2079 , F02M51/005 , F02M51/0617 , F02M51/0621 , F02M51/0671 , F02M51/0678 , F02M55/004 , F02M61/165 , F02M61/168 , F02M2200/505 , F02M2200/9015
Abstract: In an electromagnetic type fuel injection valve for internal combustion engines, a valve-driving electromagnetic coil bobbin (15) is made of a synthetic resin containing a filler having good thermal conductivity. The electromagnetic coil includes two kinds of coils (12, 13), different in characteristics from each other, that are axially-separately wound on one bobbin (15). One coil (12) is wound on the bobbin (15) such that it is closer to a movable element (19) than the other coil (13), and the outer diameter of the bobbin in the region where the other coil (13) is wound is smaller than the outer diameter of the bobbin in the region where one coil (12) is wound. Further, the inner diameter of the bobbin in the region where one coil (12) is wound has a level difference to form an annular space in which a seal ring (18) is disposed. The two kinds of coils (12, 13) are connected to a power supply and a switching element through a three-terminal connector.
Abstract translation: 在用于内燃机的电磁式燃料喷射阀中,阀驱动电磁线圈架(15)由含有导热性好的填料的合成树脂制成。 电磁线圈包括彼此不同的两种线圈(12,13),它们轴向上分别缠绕在一个线轴(15)上。 一个线圈(12)被卷绕在线轴(15)上,使得其比另一个线圈(13)更靠近可移动元件(19),并且在另一个线圈(13)的区域中的线轴的外径, 被缠绕在一个线圈(12)被卷绕的区域中的线轴的外径小于线轴的外径。 此外,在卷绕有一个线圈(12)的区域中的线轴的内径具有水平差,以形成设置有密封环(18)的环形空间。 两种线圈(12,13)通过三端子连接器连接到电源和开关元件。
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公开(公告)号:WO1992003651A1
公开(公告)日:1992-03-05
申请号:PCT/DE1991000583
申请日:1991-07-17
Applicant: ROBERT BOSCH GMBH , MAIER, Martin , BUCHHOLZ, Jürgen
Inventor: ROBERT BOSCH GMBH
IPC: F02M61/18
CPC classification number: F02M51/0678 , F02M61/1853
Abstract: In prior art fuel-injection valves, a perforated disc with several directional apertures, through which fuel is metered and atomized, is located downstream of the valve seat. These metering apertures produce filament jets with a relatively low degree of atomization, and the fuel/air mixture produced is thus not as homogeneous as it could be. In the invention, the individual metering apertures (43) in the perforated disc (42) are partly covered, for instance by the end (40) of the nozzle body (5). The flow edges (47) thus formed disrupt the fuel flow so that the fuel is particularly finely atomized and will form a homogeneous mixture. The fuel-injection valve proposed is particularly suitable for use in fuel-injection systems in mixture compression spark-ignition engines.
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公开(公告)号:WO2017041978A1
公开(公告)日:2017-03-16
申请号:PCT/EP2016/069014
申请日:2016-08-10
Applicant: CONTINENTAL AUTOMOTIVE GMBH
Inventor: FILIPPI, Stefano , GRANDI, Mauro , LENZI, Francesco , POLIDORI, Valerio
CPC classification number: F02M51/0678 , F02M51/0689 , F02M61/16 , F02M2200/08
Abstract: A power group (10) for a fluid injector is specified. It comprises a housing (11), a solenoid (12) including a coil (13) wound around a central axis (X) of the power group (10), a plurality of radially magnetized permanent magnets(15), each permanent magnet having an arched shape around the central axis, each permanent magnet extending over an angle of less than 360° around the central axis, and a ring made of plastic material (16) including a plurality of slots (17), each slot (17) accommodating one respective magnet of the permanent magnets (15) of the power group. Further, a fluid injector (100) and a method for manufacturing a fluid injector (100) are specified.
Abstract translation: 指定用于流体注射器的动力组(10)。 它包括壳体(11),包括围绕动力组(10)的中心轴线(X)缠绕的线圈(13)的螺线管(12),多个径向磁化的永磁体(15),每个永磁体具有 围绕中心轴的拱形,每个永磁体围绕中心轴线延伸超过360度的角度,以及由包括多个狭槽(17)的塑料材料(16)制成的环,每个槽(17)容纳 动力组的永磁体(15)的一个相应的磁体。 此外,规定了流体注射器(100)和制造流体注射器(100)的方法。
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公开(公告)号:WO2004070200A1
公开(公告)日:2004-08-19
申请号:PCT/JP2003/001125
申请日:2003-02-04
Inventor: 福冨 範久
IPC: F02M61/18
CPC classification number: F02M51/0678 , F02M61/162 , F02M61/1806 , F02M61/1833 , F02M2200/06
Abstract: 斜め噴射用の燃料噴射弁において、円錐流路と噴射口との間に円錐流路と同軸の円筒面を持つ中間流路を形成して、噴射口が、弁座面の円錐面と中間流路の円筒面とに接続し、燃料の流れのよどみの発生を抑制してカーボンデポジットの付着を少なくした。中間流路の円筒面の下流側端部に、燃料流れの方向に次第に直径が小さくなる先細り円錐面を形成し、噴射口の直径が小さい場合に対応する。円錐面の円錐頂角は弁座面の円錐頂角よりも小さくする。
Abstract translation: 在用于对角注射的燃料喷射阀中,在锥形流动通道和注射端口之间形成具有与锥形流动通道同轴的圆柱形表面的中间流动通道,其中注射端口连接到阀座表面的锥形表面,并且 中间流动通道的圆柱形表面,从而抑制燃料流动停滞的产生,以减少碳沉积物的附着力。 在中间流路的圆筒面的下游端形成有直径在燃料流动方向上逐渐减小的锥形锥面,以应对注入口直径较小的情况。 锥形表面的锥形垂直角小于阀座的垂直角度。
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公开(公告)号:WO2004065769A2
公开(公告)日:2004-08-05
申请号:PCT/US2004/001001
申请日:2004-01-15
Applicant: CHRYSALIS TECHNOLOGIES INCORPORATED , LINNA, Jan-Roger , PALMER, Peter , MELLO, John, Paul , SPRAGUE, Stuart, Bennett
Inventor: LINNA, Jan-Roger , PALMER, Peter , MELLO, John, Paul , SPRAGUE, Stuart, Bennett
IPC: F02C
CPC classification number: F02M31/18 , F01N11/007 , F02D41/10 , F02D41/1456 , F02D41/1475 , F02D41/3005 , F02M13/08 , F02M17/24 , F02M31/135 , F02M31/16 , F02M51/065 , F02M51/0678 , F02M53/02 , F02M53/06 , Y02T10/126 , Y02T10/47
Abstract: An apparatus and method for improving the transient response of a spark-ignited fuel-injected internal combustion engine is disclosed. This is accomplished by employing one or more novel capillary fuel injectors. These devices are port fuel injectors modified by inserting one or more relatively small diameter heated tubular capillaries between the fuel line and a conventional injector. Sufficient heating can be produced so that flash vaporization occurs as the fuel exits the injector. The heaters are turned on using control algorithms that can be based on exhaust gas oxygen concentration, load on the engine, and accelerator pedal position.
Abstract translation: 公开了一种用于改善火花点燃燃料喷射内燃机的瞬态响应的装置和方法。 这通过使用一个或多个新的毛细管燃料喷射器来实现。 这些装置是通过在燃料管线和常规注射器之间插入一个或多个相对小直径的加热管状毛细管而改进的端口燃料喷射器。 可以产生足够的加热,使得随着燃料离开喷射器而发生闪蒸。 使用可以基于废气氧浓度,发动机负载和加速踏板位置的控制算法来打开加热器。
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公开(公告)号:WO1991019089A1
公开(公告)日:1991-12-12
申请号:PCT/DE1991000331
申请日:1991-04-24
Applicant: ROBERT BOSCH GMBH , HANS, Waldemar , PREUSSNER, Christian
Inventor: ROBERT BOSCH GMBH
IPC: F02M51/06
CPC classification number: F02M51/0678 , F02M51/0671
Abstract: In prior art fuel-injection valves, a stop plate which limits the stroke of the valve needle is located between a stop shoulder on the valve needle and an inner shoulder of the valve housing, the stop plate having a mounting slot between its port and its periphery. When the valve housing is flanged, the high axial forces produced give a high pressure acting on the edge of the mounting slot and causing non-uniform distortion of the valve housing. In the new fuel-injection valve proposed, there are at least two recesses (75) in an upper stop surface (73) of the stop plate (16) abutting the inner shoulder of the valve housing. These recesses are symmetrically disposed with respect to the centre line (76) of the mounting slot (70) and in the half of the stop plate (16) not containing the mounting slot (70). The recesses (75) ensure that the stop plate (16) deforms uniformly and to a limited extent into the valve housing. This design of fuel-injection valve is particularly suitable for fuel-injection systems in externally ignited internal-combustion engines.
Abstract translation: 已知的燃料喷射阀模型包括在阀针的止动台肩和阀笼的内肩之间的限定针的行程的止动板,该止动板包括 安装槽位于其通孔与其周边之间。 由于阀笼的翻边和相应较大的轴向力,安装槽处的脊部受到相当大的压缩以及保持架的不规则变形。 在新的燃料喷射阀中,抵靠阀笼的内肩部布置的止动板(16)的上部止动表面(73)具有至少两个凹部(75)。 相对于安装槽(70)的中心线(76)对称地设置,并且在不包含安装槽(70)的止动板(16)的一半中。 凹槽(75)导致阀笼中的支座板(16)的规则且减小的变形。 燃料喷射阀的这种构造特别适用于具有外部点火的内燃机的燃料喷射装置。
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公开(公告)号:WO1991012427A1
公开(公告)日:1991-08-22
申请号:PCT/DE1991000048
申请日:1991-01-21
Applicant: ROBERT BOSCH GMBH , HANS, Waldemar , KIRSCHE, Ingo
Inventor: ROBERT BOSCH GMBH
IPC: F02M69/08
CPC classification number: F02M51/0678 , F02M51/0653 , F02M61/1853 , F02M69/047 , F02M2051/08
Abstract: Known fuel-air mix injection devices can only be adapted to individually required air mass flows within limits and at high cost. Other devices with standard injection valves occupy a large space and have a complex structure. A new device has the advantage of being a prefabricated part capable of being used with various fuel injection valves without further adjustments. The air containing sleeve (4) has stop faces (26) that rest on the injection end (6, 20) of the fuel injection valve (1) and form with the latter a narrow air gap (27), so that the air is accelerated almost to sonic speed and finely atomizes the fuel injected through the fuel injection openings (8). This fuel-air mix injection device is particularly useful for injecting the mix in the inlet manifold of a spark ignition internal combustion engine.
Abstract translation: 已知的燃料 - 空气混合注射装置只能在极限内和高成本下适应单独要求的空气质量流量。 具有标准喷射阀的其他设备占用空间大,结构复杂。 新的装置具有作为预制部件的优点,能够在不进一步调节的情况下与各种燃料喷射阀一起使用。 空气容纳套筒(4)具有停留在燃料喷射阀(1)的喷射端(6,20)上的停止面(26),并形成有较窄气隙(27)的空气, 几乎加速到声速,并且通过燃料喷射孔(8)喷射的燃料被微细化。 这种燃料 - 空气混合喷射装置对于将混合物喷射在火花点火内燃机的入口歧管中是特别有用的。
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