Improved solenoid valve for regulating the fuel supply pressure of an internal combustion engine
    32.
    发明公开
    Improved solenoid valve for regulating the fuel supply pressure of an internal combustion engine 有权
    改进的电磁阀,用于调节内燃机的燃料供应压力

    公开(公告)号:EP1087131A2

    公开(公告)日:2001-03-28

    申请号:EP00120554.1

    申请日:2000-09-20

    发明人: BANZHAF, Werner

    IPC分类号: F02M55/02 F02M63/00 F02M63/02

    摘要: The solenoid valve (5) has a fuel feed conduit (7), and a shutter in the form of a ball (12) controlled by an electromagnet (14) and cooperating with a conical seat (13) in the conduit (7). The conduit has a fuel filter (18, 19) for preventing particles of dirt from getting between the seat (13) and the shutter (12), without causing an excessive fall in fuel pressure. The filter (18, 19) is defined by a metal plate (18) having a number of holes (19) of about 0.1 mm in diameter and formed using laser technology; and the plate (18) is fitted to the opposite end (21) of the conduit (7) from the seat (13).

    摘要翻译: 电磁阀(5)具有燃料供给导管(7)以及由电磁体(14)控制并且与导管(7)中的锥形座(13)协作的呈球(12)形式的活门。 导管具有用于防止污垢颗粒进入座椅(13)和闸门(12)之间的燃料过滤器(18,19),而不会引起燃料压力的过度下降。 过滤器(18,19)由金属板(18)限定,金属板(18)具有直径约0.1mm的多个孔(19)并且使用激光技术形成; 并且板(18)被安装到导管(7)的距座(13)的相对端(21)。

    Adjustable metering valve for an internal combustion engine fuel injector
    34.
    发明公开
    Adjustable metering valve for an internal combustion engine fuel injector 有权
    一种用于Einslellung的计量阀和内燃发动机的燃料喷射阀的可调节的计量阀过程

    公开(公告)号:EP0916843A1

    公开(公告)日:1999-05-19

    申请号:EP98121845.6

    申请日:1998-11-17

    发明人: Ricco, Mario

    IPC分类号: F02M47/02

    摘要: The metering valve (24) is controlled by the armature (27) of an electromagnet (26); the travel of the armature (27) towards the electromagnet (26) is arrested by a stop member (71) integral with a flange (73) fitted to a hollow body (12) by a ring nut (96) connecting the skirt (90) of the electromagnet (26); a spacer washer (76) made of elastically compressible material is provided between the flange (73) and a shoulder (74) of the hollow body (12); and the tightening torque of the ring nut (96) compresses the washer (76) accordingly to adjust the travel of the armature (27). According to a variation, a washer (100) of rigid material is provided between the flange (73) and the shoulder (74), and is small in width to form a projecting annular portion (101) of the flange (73), which portion (101) of the flange (73) is flexed accordingly by the tightening torque of the ring nut (96).

    摘要翻译: 计量阀(24)由一个电磁体的衔铁(27)控制(26); 所述电枢(27)朝向所述电磁体(26)的行程由止动件(71)与由连接所述裙部的环形螺母(96)装配到中空体(12)的凸缘(73)积分(90被捕 )的电磁体(26)的; 由弹性可压缩材料的间隔垫圈(76)的凸缘(73)和所述中空主体的肩部(74)(12)之间; 和环形螺母(96)的拧紧扭矩压缩所述垫圈(76)相应地调整衔铁(27)的行程。 。根据一个变型中,硬质材料制成的垫圈(100)的凸缘(73)和肩部(74)之间,并且是小的宽度,以形成所述凸缘(73),其中一个突出的环形设计部(101) 的所述部分(101)由所述环形法兰的紧固转矩(73)的螺母(96)相应地弯曲。

    Accumulator fuel injection apparatus for internal combustion engine
    35.
    发明公开
    Accumulator fuel injection apparatus for internal combustion engine 失效
    SpeicherkraftstoffeinspritzvorrichtungfürVerbrennungsmotor

    公开(公告)号:EP0844385A1

    公开(公告)日:1998-05-27

    申请号:EP97120502.6

    申请日:1997-11-21

    申请人: DENSO CORPORATION

    IPC分类号: F02M47/02

    摘要: An accumulator fuel injection apparatus for an internal combustion engine is provided which includes a solenoid-operated fuel injector (1). The fuel injector (1) includes a solenoid valve (20) and a needle valve (220). The solenoid valve (20) establishes and blocks fluid communication between a pressure control chamber (30) supplied with fuel pressure from a fuel inlet (70) and a drain passage (69) formed in a valve body (91) to change fuel pressure within the pressure control chamber (30), thereby bringing the needle valve (220) into engagement with and disengagement from a spray hole (101a). The fuel injector (1) also has a first orifice disc (210) and a second orifice disc (211) installed within the valve body (91). The first orifice disc (210) has formed therein a first orifice (66) which provides a first flow resistance to fuel flowing from the fuel inlet (70) into the pressure control chamber (30). Similarly, the second orifice disc (211) has formed therein a second orifice (67) which provides a second flow resistance smaller than the first flow resistance to the fuel flowing out of the pressure control chamber (30) into the drain passage (69). The second orifice (211) disc is disposed on the first orifice disc (210) so that thicknesswise directions thereof coincide with each other.

    摘要翻译: 提供一种用于内燃机的蓄能器燃料喷射装置,其包括电磁操作燃料喷射器(1)。 燃料喷射器(1)包括电磁阀(20)和针阀(220)。 电磁阀(20)建立并阻止供应有来自燃料入口(70)的燃料压力的压力控制室(30)与形成在阀体(91)中的排放通道(69)之间的流体连通,以改变燃料压力 压力控制室(30),从而使针阀(220)与喷孔(101a)接合和脱离。 燃料喷射器(1)还具有安装在阀体(91)内的第一孔板(210)和第二孔板(211)。 第一孔板(210)中形成有第一孔口(66),其向从燃料入口(70)流入压力控制室(30)的燃料提供第一流动阻力。 类似地,第二孔板211形成有第二孔口67,该第二孔口67向从压力控制室30流出的燃料提供小于第一流动阻力的第二流动阻力,进入排水通道69。 。 第二孔(211)盘设置在第一孔板(210)上,使得其厚度方向彼此重合。

    KRAFTSTOFFEINSPRITZVENTIL FÜR HOCHDRUCKEINSPRITZUNG
    36.
    发明公开
    KRAFTSTOFFEINSPRITZVENTIL FÜR HOCHDRUCKEINSPRITZUNG 失效
    燃料喷射阀门的高压喷射

    公开(公告)号:EP0840848A1

    公开(公告)日:1998-05-13

    申请号:EP96946069.0

    申请日:1996-12-11

    申请人: ROBERT BOSCH GMBH

    发明人: BRONKAL, Bernhard

    IPC分类号: F02D41 F02M47 F02M51 F02M59

    摘要: The invention concerns a fuel-injection valve (1) for high-pressure injection in auto-ignition internal combustion engines, the valve comprising a solenoid valve (23) for controlling the injection process. According to the invention, in order to control this solenoid valve, a control circuit is provided which is divided into a first circuit part and second circuit parts (31) which are disposed on each individual injection valve, separately from the first circuit part which controls a plurality of injection valves together. The housing is clipped onto the fuel-injection valve and has fuel flowing through its interior for cooling purposes.

    Einspritzdüse
    37.
    发明公开
    Einspritzdüse 失效
    注射

    公开(公告)号:EP0741244A3

    公开(公告)日:1996-11-27

    申请号:EP96106549.7

    申请日:1996-04-25

    IPC分类号: F02M47/02 F02M45/04 F02M59/46

    摘要: Eine Einspritzdüse zur Verwendung in Common-Rail Systemen, enthält einen mit einem Aktuatorkolben (30) versehenen Düsenkörper (26), der im geschlossenem Zustand der Einspritzdüse an einem Sitz anliegt und stromoberhalb des Sitzes einen mit der Hochdruckleitung des Common-Rail Systems verbundenen Düsenraum (28) begrenzt, einen Arbeitsraum (32) des Aktuatorkolbens (30), welcher über eine Zulaufdrossel (34) mit der Hochdruckleitung verbunden ist, wobei die wirksame Fläche des Aktuatorkolbens (30) größer ist als die im Düsenraum wirksame Fläche des Düsenkörpers, eine vom Arbeitsraum durch eine Rücklauföffnung eines Rücklaufventils (36) führende Rücklaufleitung (14) und eine von einem elektrischen Signal angesteuerte Betätigungseinrichtung zur Betätigung des Ventilgliedes des Rücklaufventils. Die Einspritzdüse ist erfindungsgemäß dadurch gekennzeichnet, daß die Betätigungseinrichtung eine das Ventilglied (38) analog zu dem elektrischen Signal verstellende Einrichtung (40) ist, so daß das Rücklaufventil eine im Querschnitt variable Drossel der Rücklaufleitung (14) bildet. Mit der erfindungsgemäßen Einspritzdüse läßt sich der Einspritzverlauf optimal an die jeweiligen Betriebserfordernisse anpassen.

    摘要翻译: 的注射喷嘴,其用于在共轨系统中使用的,含有与致动器活塞(30)的喷嘴主体(26),该搁置在注射喷嘴的到座椅闭合状态和座椅(连接到共轨系统喷嘴室的高压管线的输入的上游设置一 28)的限制,致动器活塞(30),其(经由入口节流阀34)被连接到高压线路,其中,所述致动器活塞(有效区域30)比有效地从喷嘴主体,一个喷嘴腔表面更大的工作空间(32) 通过回流阀(36),从而导致通过电信号操作驱动的返回管线(14)和一个返回孔的工作空间用于操作回流阀的阀构件。 根据其特征在于该致动装置本发明的注射喷嘴包括阀构件(38)是类似于的调节装置的电信号(40),以使单向阀形成可变的横截面的节流返回线路(14)。 本发明的注射喷嘴,所述注射过程可以最佳地适应于相应的操作要求。

    Fuel injector electromagnetic metering valve
    38.
    发明公开
    Fuel injector electromagnetic metering valve 失效
    喷油器电磁计量阀

    公开(公告)号:EP0604913A1

    公开(公告)日:1994-07-06

    申请号:EP93120815.1

    申请日:1993-12-23

    IPC分类号: F02M47/02

    摘要: The valve comprises a shutter (67) for the drain conduit (63) of the control chamber (61) of the injector; and an electromagnet (42) having a fixed core (46) with a seat (48) for a coil (47) which is energized to operate the armature (43) controlling the shutter (67). The core (46) presents two coaxial annular pole pieces (72, 73), the outer one (72) of which is shorter than the inner one (73) and fitted with a ring (76) of magnetic material partially closing the seat (48) and enabling a substantial reduction in the diameter of the armature (43). The smaller diameter of the armature (43) enables it to be fitted to the body (6) of the injector by means of a larger-diameter threaded ring nut (82). The armature (43), together with a return spring (89), is fitted to a plate (84) having a sleeve (83) for guiding the stem (69); and the assembly is then fitted to the body (6) independently of the electromagnet (42) by screwing the ring nut (82) inside a seat (93) in the body (6).

    摘要翻译: 该阀包括用于喷射器的控制室(61)的排放导管(63)的挡板(67) 以及具有固定铁芯(46)的电磁体(42),所述固定铁芯具有用于线圈(47)的座(48),所述线圈(47)被激励以操作控制所述闸门(67)的所述电枢(43)。 芯部(46)具有两个同轴的环形极片(72,73),外部的一个(72)比内部的一个(72)短并且装配有部分地封闭座部的磁性材料的环(76) 48)并且能够大大减小衔铁(43)的直径。 衔铁(43)的较小直径使其能够通过较大直径的螺纹环形螺母(82)而被安装到喷射器的主体(6)上。 衔铁(43)与复位弹簧(89)一起安装到具有用于引导杆(69)的套筒(83)的板(84)上; 然后通过将环形螺母(82)拧入本体(6)中的座(93)内部而使组件与电磁体(42)无关地装配到本体(6)上。

    Electromagnetic fuel injection valve
    39.
    发明公开
    Electromagnetic fuel injection valve 失效
    Kraftstoffeinspritzventil的Elektromagnetisches。

    公开(公告)号:EP0548916A1

    公开(公告)日:1993-06-30

    申请号:EP92121799.8

    申请日:1992-12-22

    IPC分类号: F02M47/02

    摘要: A valve (5) controlled by an electromagnetic metering valve (41) comprising a head (49) having a control chamber (56), a supply conduit (57), and a drain conduit (58). The head (49) also presents a cavity (67) communicating with the supply conduit (57) and in which a portion (68) of the moving element (8, 28) for closing the injection orifice (11) slides in such a manner as to choke the supply conduit (57) during injection. The supply conduit (57) communicates with a receiving chamber (59) located between a seat (51) in the body (6) of the valve (5) and the outer surface of an appendix (54) on the head (49); and the moving element (8, 28) is pushed into the closed position by the combined action of the pressure at each end, and a spring (37) located close to the injection chamber (19).

    摘要翻译: 由电磁计量阀(41)控制的阀(5)包括具有控制室(56)的头部(49),供应管道(57)和排水管道(58))。 头部(49)还具有与供应管道(57)连通的空腔(67),其中用于关闭注射孔(11)的移动元件(8,28)的一部分(68)以这种方式 以便在注射期间阻塞供应管道(57)。 供应管道(57)与位于阀(5)的主体(6)中的座(51)和头(49)上的附件(54)的外表面之间的接收室(59)连通。 并且移动元件(8,28)通过两端的压力的组合作用和靠近喷射室(19)的弹簧(37)被推入关闭位置。

    Method and Apparatus for Precisely Controlled Fuel Injection in Internal Combustion Engine
    40.
    发明公开
    Method and Apparatus for Precisely Controlled Fuel Injection in Internal Combustion Engine 失效
    柴油发动机精密控制燃油喷射的方法和装置

    公开(公告)号:EP0340807A3

    公开(公告)日:1989-11-29

    申请号:EP89110630.4

    申请日:1983-09-06

    申请人: BKM, INC.

    IPC分类号: F02D41/40

    摘要: A pressure-controlled system for supplying compressible fuel to an internal combustion engine is electronically operated. A unit injector assembly for each combustion chamber includes a hydraulic pressure intensifier having input and output chambers, a solenoid valve to control the intensifier, and an accumulator type fuel injector which has a non-return input valve and an accumulator chamber of substantially fixed volume. In operation, a quantity of fuel is first transferred from a pressurized fuel source to the intensifier output chamber, then is further compressed by the intensifier and forced through the non-return valve into the accumulator chamber. The pressure multiplying action starts when an electrical control signal opens the solenoid valve to admit fuel from the fuel source into the intensifier input chamber, and continues progressively until the same signal closes the solenoid valve, relieving the intensifier pressure and thereby causing the non-return valve to close and the injection event to commence. The peak pressure achieved within the accumulator chamber is a function of both the source pressure and the time interval during which it is further pressurized. The mass of the injected fuel charge is determined by that peak pressure. In the operation of the system, provision is made to adjust either the pressure of the fuel source, or the time interval throughout which the further pressurized fuel flows into the accumulator, or both, in order to adjust the mass of each fuel charge that is to be injected.