Fuel injection pump for internal combustion engines
    1.
    发明授权
    Fuel injection pump for internal combustion engines 失效
    燃油喷射泵用于内燃机

    公开(公告)号:US5233955A

    公开(公告)日:1993-08-10

    申请号:US974633

    申请日:1992-11-12

    IPC分类号: F02M45/06 F02M59/26

    CPC分类号: F02M45/066

    摘要: A fuel injection pump for internal combustion engines, having a pump piston that reciprocates in a cylinder liner inserted into a pump housing. The pump piston and housing encloses a pump work chamber, and the pump piston has a control recess on its jacket face that communicates with the pump work chamber through a conduit. An oblique groove extends at a predetermined angle from the axis of the pump piston in the jacket face thereof and forms control edges. An annular slide is axially displaceable on the pump piston and includes two diametrically opposed diversion bores. To interrupt the high-pressure pumping to provide a pre-injection quantity and a main-injection quantity, first, second and third pockets are additionally machined into the jacket face of the pump piston. These pockets cooperated with pockets machined in the annular slide and with the control edge formed by the lower face edge of the annular slide to control the fuel flow.

    摘要翻译: 一种用于内燃机的燃料喷射泵,具有在插入泵壳体中的气缸套中往复运动的泵活塞。 泵活塞和壳体包围泵工作室,并且泵活塞在其护套面上具有通过导管与泵工作室连通的控制凹槽。 斜槽从泵活塞的轴套在其护套面上以预定的角度延伸并形成控制边。 环形滑块在泵活塞上可轴向移动并且包括两个直径相对的分流孔。 为了中断高压泵送以提供预喷射量和主喷射量,第一,第二和第三凹穴另外被加工到泵活塞的护套面中。 这些口袋与在环形滑块中加工的口袋配合,并且控制边缘由环形滑块的下表面边缘形成以控制燃料流动。

    Fuel injection pump for internal combustion engines
    2.
    发明授权
    Fuel injection pump for internal combustion engines 失效
    内燃机燃油喷射泵

    公开(公告)号:US4840161A

    公开(公告)日:1989-06-20

    申请号:US213044

    申请日:1988-06-29

    摘要: A fuel injection pump for internal combustion engines, in particular having a plurality of linearly aligned pump elements, the pump injection onset is determined by one control slide per pump element in which the control slide is axially displaceable on the pump plunger and by a control of relief conduits of the pump work chambers. The control slide is actuated via a torque shaft in that a respective adjusting bolt of a straddling element joined to the torque shaft engages a cross groove of the control slide. The adjusting bolt has a cylindrical stud portion and a slide shoe supported thereon, and the slide shoe is secured against axial displacement by means of a head of the adjusting bolt.

    摘要翻译: 用于内燃机的燃料喷射泵,特别是具有多个线性对准的泵元件,泵喷射开始由每个泵元件的一个控制滑块确定,其中控制滑块在泵柱塞上可轴向移动,并且通过控制 泵工作室的泄压管道。 控制滑块通过转矩轴致动,因为与转矩轴相连的跨接元件的相应调节螺栓与控制滑块的十字槽啮合。 调节螺栓具有支撑在其上的圆柱形螺柱部分和滑动滑块,并且滑动滑块通过调节螺栓的头部抵抗轴向位移而被固定。

    Radial piston pump for high pressure fuel supply
    3.
    发明授权
    Radial piston pump for high pressure fuel supply 失效
    用于高压燃料供应的径向活塞泵

    公开(公告)号:US06446604B1

    公开(公告)日:2002-09-10

    申请号:US09600397

    申请日:2000-08-25

    IPC分类号: F02M4100

    摘要: The invention relates to a radial piston pump for high-pressure fuel supply in fuel injection systems of internal combustion engines, in particular in a common rail injection system. The piston pump has a drive shaft which is eccentrically supported in a pump housing and on which a ring is slidingly supported. The ring cooperates with a plurality of pistons, disposed radially relative to the drive shaft in a respective cylinder chamber. The pistons are movable radially back and forth in the respective cylinder chamber by rotation of the drive shaft. To increase the efficiency of the engine, the cylinder chambers are filled with less fuel when demand drops. In this so-called partial element filling, in which a plate is retained in contact with a polygonal ring, increased wear and damage are prevented. The wear is brought about by a guide device which prevents rotation of the ring about its own axis.

    摘要翻译: 本发明涉及用于内燃机燃料喷射系统中的高压燃料供给的径向柱塞泵,特别是在共轨注射系统中。 活塞泵具有驱动轴,该驱动轴偏心地支撑在泵壳体中,并且环被滑动地支撑在该壳体上。 环与多个活塞配合,多个活塞在相应的气缸室中相对于驱动轴径向设置。 通过驱动轴的旋转,活塞可在相应气缸室中径向地前后移动。 为了提高发动机的效率,当需求下降时,气缸室充满较少的燃料。 在这种所谓的部分元件填充中,其中板被保持与多边形环接触,从而防止了增加的磨损和损坏。 该磨损是由导向装置引起的,该引导装置防止环围绕其自身的轴线旋转。

    Common rail system for internal combustion engines
    4.
    发明授权
    Common rail system for internal combustion engines 失效
    内燃机共轨系统

    公开(公告)号:US06352066B1

    公开(公告)日:2002-03-05

    申请号:US09465840

    申请日:1999-12-17

    IPC分类号: F01P106

    摘要: A common rail system for internal combustion engines, having a high-pressure pump mounted on a part of the engine, especially on an engine block, control gear or reduction gear. For thermal decoupling purposes, the contact areas between the part of the engine and the high-pressure pump are minimized.

    摘要翻译: 用于内燃机的共轨系统,其具有安装在发动机的一部分上的高压泵,特别是在发动机缸体,控制齿轮或减速齿轮上。 对于热解耦目的,发动机部分和高压泵之间的接触面积最小化。

    Radial piston pump for producing high pressure fuel
    5.
    发明授权
    Radial piston pump for producing high pressure fuel 失效
    用于生产高压燃料的径向活塞泵

    公开(公告)号:US06347574B1

    公开(公告)日:2002-02-19

    申请号:US09600914

    申请日:2000-12-04

    IPC分类号: F01B100

    CPC分类号: F04B1/0426

    摘要: A radial piston pump for generating high fuel pressure in fuel injection systems of internal combustion engines, having a drive shaft which is supported in a pump housing. The drive shaft is embodied eccentrically or has camlike protrusions in the circumferential direction. A plurality of pistons are disposed radially with respect to the drive shaft in a respective cylinder chamber. A plate is mounted on the ends of each piston toward the drive shaft, and the pistons are movable back and forth radially in the respective cylinder chamber by rotation of the drive shaft. Wear problems are solved by providing that the plate is pivotably connected to the associated piston. By the deflection of the plate on the piston, the load on the piston from moments of the bracing force is lessened.

    摘要翻译: 一种用于在内燃机的燃料喷射系统中产生高燃料压力的径向活塞泵,其具有支撑在泵壳体中的驱动轴。 驱动轴偏心地设置,或在圆周方向上具有凸轮状凸起。 在相应的气缸室中相对于驱动轴径向地设置有多个活塞。 每个活塞的端部朝向驱动轴安装板,并且活塞可通过驱动轴的旋转在各个气缸室中径向地前后移动。 通过设置板可枢转地连接到相关联的活塞来解决磨损问题。 通过板上活塞的偏转,活塞的载荷从支撑力的时刻减小。

    Radial piston pump for high pressure fuel delivery
    6.
    发明授权
    Radial piston pump for high pressure fuel delivery 失效
    用于高压燃油输送的径向活塞泵

    公开(公告)号:US06332761B1

    公开(公告)日:2001-12-25

    申请号:US09529224

    申请日:2000-06-05

    IPC分类号: F04B704

    摘要: The invention relates to a radial piston pump for high-pressure fuel delivery in fuel injection systems of internal combustion engines in a common rail injection system having a drive shaft that is supported in a pump housing. The drive shaft is eccentrically embodied or has a number of cam-like projections in the circumference direction, and a number of pistons are arranged radially in relation to the drive shaft. Each piston reciprocates a respective cylinder chamber and is moved in a reciprocating fashion in the cylinder chamber when the drive shaft rotates. A spring-preloaded check valve is assembled on the intake side and on the high pressure side, and a component that includes a through opening constitutes the respective cylinder chamber. A high-pressure delivery opening leads away from the cylinder chamber and in the sealing seat of the high pressure side check valve, opens out into a mounting opening of the component. The mounting opening contains the valve components. In order to achieve a simplified assembly in a vicinity of the high pressure side check valve, with the exception of a valve body which is placed against the sealing seat, the high pressure side check valve is inserted into the mounting opening as a preassembled unit and is tightened against the component to form a high-pressure seal.

    摘要翻译: 本发明涉及一种在具有支撑在泵壳体中的驱动轴的共轨喷射系统中的内燃机的燃料喷射系统中用于高压燃料输送的径向柱塞泵。 驱动轴偏心地具有或在圆周方向上具有多个凸轮状突起,并且多个活塞相对于驱动轴径向设置。 每个活塞使相应的气缸室往复运动,并且当驱动轴旋转时以往复运动的方式在汽缸室中移动。 在进气侧和高压侧装配有弹簧预紧单向阀,并且包括通孔的部件构成相应的气缸室。 高压输送开口远离气缸室,并在高压侧止回阀的密封座中向外敞开,进入组件的安装开口。 安装开口包含阀组件。 为了在高压侧止回阀附近实现简化的组装,除了靠着密封座放置的阀体之外,高压侧止回阀作为预组装单元插入到安装开口中, 被紧固在部件上以形成高压密封。

    Radial piston pump for high-pressure fuel delivery
    7.
    发明授权
    Radial piston pump for high-pressure fuel delivery 失效
    用于高压燃油输送的径向活塞泵

    公开(公告)号:US06244832B1

    公开(公告)日:2001-06-12

    申请号:US09288817

    申请日:1999-04-09

    IPC分类号: F04B112

    摘要: The invention relates to a radial piston pump for high-pressure fuel delivery in fuel injection systems of internal combustion engines, in particular in a common rail injection system, having a housing, a drive shaft that is supported in the pump housing and has an eccentrically embodied shaft segment. A ring is slidingly supported on the shaft segment and cooperates with a plurality of pistons. The pistons are disposed radially with respect to the drive shaft in a respective cylinder chamber. Ends of the pistons oriented toward the drive shaft each have a respective plate. To improve engine efficiency, the cylinder chambers are filled with less fuel as the demand drops, this prevents increased wear and damage from occurring during operation. The problem of wear and damage is solved in that all the plates are kept in contact with the ring by a leaf-spring-like device, in particular a single clamp. In a radial piston pump in which a plate is held by a plate holder, the plate holder is secured to the ring.

    摘要翻译: 本发明涉及一种用于内燃机燃料喷射系统中的高压燃料输送的径向柱塞泵,特别是在共轨注射系统中,具有壳体,驱动轴,其被支撑在泵壳体中并具有偏心 实现轴段。 环被滑动地支撑在轴段上并与多个活塞协作。 活塞在相应的气缸室中相对于驱动轴径向设置。 朝向驱动轴的活塞端部各自具有相应的板。 为了提高发动机效率,当需求下降时,气缸室被填充较少的燃料,这防止了在操作期间发生的增加的磨损和损坏。 解决了磨损和损坏的问题,即所有的板通过片簧式装置,特别是单个夹具与环保持接触。 在其中板被盘保持器保持的径向柱塞泵中,板保持器固定到环上。

    Pump device for high pressure fuel delivery in fuel injection system of
internal combustion engines
    8.
    发明授权
    Pump device for high pressure fuel delivery in fuel injection system of internal combustion engines 失效
    用于内燃机燃油喷射系统中高压燃料输送的泵装置

    公开(公告)号:US6126407A

    公开(公告)日:2000-10-03

    申请号:US284773

    申请日:1999-05-28

    CPC分类号: F04B23/103 F02M39/005

    摘要: The invention relates to a pump device for high-pressure fuel delivery in fuel injection systems of internal combustion engines, in particular in a common rail injection system, including a radial piston pump (2, 68, 80) with a drive shaft (38, 74, 114) that is supported in a pump housing (14) and is embodied eccentrically or has cam-like projections in the circumference direction, preferably with a number of pistons that are each disposed in a cylinder chamber radially in relation to the drive shaft and can be driven to reciprocate in the cylinder chamber when the drive shaft rotates, and with a check valve on the intake side and the high pressure side, and a low pressure pump (4, 71, 82) connected before the radial piston pump; in order to improve the pump device in such a way that it is more compact and can be produced more cheaply and the danger of the occurrence of leaks is reduced, the low pressure pump (4, 71, 82) is provided on or in the pump housing (14) of the radial piston pump (2, 68, 80), on the end remote from the drive end (10), and can be driven by the drive shaft (38, 74, 114) of the radial piston pump. (FIG. 1b)

    摘要翻译: PCT No.PCT / DE98 / 01919 Sec。 371日期1999年5月28日 102(e)日期1999年5月28日PCT提交1998年7月9日PCT公布。 公开号WO99 /​​ 09316 日期1999年2月25日本发明涉及一种用于内燃机的燃料喷射系统中的高压燃料输送的泵装置,特别是在共轨喷射系统中,包括径向活塞泵(2,88,80),其具有 驱动轴(38,74,114),其被支撑在泵壳体(14)中,并且在圆周方向上偏心地设置或具有凸轮状突起,优选地,多个活塞各自以径向位于气缸室中 与驱动轴相关联,并且可以在驱动轴旋转时被驱动以在气缸室中往复运动,并且在进气侧和高压侧具有止回阀,并且在低压泵(4,71,82)之前连接的低压泵 径向活塞泵; 为了改善泵装置,使得其更紧凑并且可以更便宜地生产并且泄漏发生的危险降低,低压泵(4,71,82)设置在或 径向柱塞泵(2,68,80)的泵壳体(14)在远离驱动端(10)的一端上,并且可以由径向柱塞泵(38,64)的驱动轴(38,74,114)驱动 。 (图1b)