Fuel pump having dual single sided impeller
    61.
    发明申请
    Fuel pump having dual single sided impeller 有权
    燃油泵具有双单面叶轮

    公开(公告)号:US20060165514A1

    公开(公告)日:2006-07-27

    申请号:US11041485

    申请日:2005-01-24

    Abstract: A fuel pump includes a housing, and a motor. A single sided impeller has first and second impeller flow channels each including a plurality of vanes. The impeller defines a flow passageway extending therethrough. A cover is attached to the housing and has a cover surface that defines first and second cover flow channels. The cover flow channels receive fuel from inlets formed in the cover. The first and second cover flow channels are aligned with the first and second impeller flow channels and receive fuel through the inlets and deliver fuel to outlets. A body is positioned within the housing and defines an impeller chamber to receive the impeller, and a first outlet passageway fluidically connected to the first cover flow channel and impeller flow channel. A second outlet passageway formed within the cover is fluidically connected to the second cover flow channel and impeller flow channel.

    Abstract translation: 燃料泵包括壳体和电动机。 单面叶轮具有每个包括多个叶片的第一和第二叶轮流动通道。 叶轮限定了通过其延伸的流动通道。 盖子附接到壳体并且具有限定第一和第二覆盖流动通道的盖表面。 盖子流动通道从形成在盖子上的入口接收燃料。 第一和第二盖流动通道与第一和第二叶轮流动通道对准,并通过入口接收燃料并将燃料输送到出口。 主体定位在壳体内并且限定叶轮室以容纳叶轮,以及第一出口通道,其流体连接到第一盖流动通道和叶轮流动通道。 形成在盖内的第二出口通道流体连接到第二盖流动通道和叶轮流动通道。

    Fuel pump having single sided impeller
    62.
    发明授权
    Fuel pump having single sided impeller 失效
    燃油泵具有单面叶轮

    公开(公告)号:US07008174B2

    公开(公告)日:2006-03-07

    申请号:US10842685

    申请日:2004-05-10

    CPC classification number: F04D5/002

    Abstract: A fuel pump is provided having improved efficiency by lowering the wet circle index of the pump while maintaining robust axial clearances to meet the demands of an automotive application. One embodiment includes a fuel pump for pressurizing fuel for delivery to an engine of a motor vehicle. The fuel pump generally comprises a housing, a motor, a single sided impeller, a cover and a body. The provision of a single sided impeller greatly reduces the wet circle index and improves the pump efficiency. The cover, impeller, and body are structured to axially balance the impeller which is free floating on the shaft of the motor.

    Abstract translation: 通过降低泵的湿循环指数,同时保持坚固的轴向间隙以满足汽车应用的要求,提供了一种提高效率的燃料泵。 一个实施例包括用于对用于输送到机动车辆的发动机的燃料加压的燃料泵。 燃料泵通常包括壳体,马达,单侧叶轮,盖和主体。 提供单面叶轮大大降低了湿圈指数,提高了泵效率。 盖子,叶轮和主体被构造成轴向平衡在马达轴上自由浮动的叶轮。

    Fuel pump having single sided impeller

    公开(公告)号:US20050249617A1

    公开(公告)日:2005-11-10

    申请号:US10842676

    申请日:2004-05-10

    Applicant: DeQuan Yu

    Inventor: DeQuan Yu

    CPC classification number: F04D5/002

    Abstract: A fuel pump is provided having improved efficiency by lowering the wet circle index of the pump while maintaining robust axial clearances to meet the demands of an automotive application. One embodiment includes a fuel pump for pressurizing fuel for delivery to an engine of a motor vehicle. The fuel pump generally comprises a housing, a motor, a single sided impeller, a cover and a body. The provision of a single sided impeller greatly reduces the wet circle index and improves the pump efficiency. The cover, impeller, and body are structured to axially balance the impeller which is free floating on the shaft of the motor.

    Mechanical returnless fuel system
    66.
    发明申请
    Mechanical returnless fuel system 有权
    机械无返回燃油系统

    公开(公告)号:US20050081826A1

    公开(公告)日:2005-04-21

    申请号:US10687385

    申请日:2003-10-16

    Abstract: A mechanical returnless fuel system comprises a fuel pump having an output for supplying fuel to fuel injectors of an automotive engine. The fuel system includes a pressure regulating valve that returns a portion of the pump output in excess of engine fuel usage to the fuel supply. The pressure regulating valve results in a fuel pressure that varies as a function of engine fuel demand. During operation, a controller determines a projected engine fuel demand, then determines an estimated fuel pressure based upon the projected engine fuel demand. The controller utilizes the estimated fuel pressure to provide a more accurate calculation of the opening time for the fuel injectors and thereby improve engine control.

    Abstract translation: 一种机械无返回燃料系统,包括具有用于向汽车发动机的燃料喷射器供应燃料的输出的燃料泵。 燃料系统包括压力调节阀,该压力调节阀使泵输出超过发动机燃料使用的一部分返回到燃料供应。 压力调节阀导致作为发动机燃料需求的函数而变化的燃料压力。 在操作期间,控制器确定预计的发动机燃料需求,然后基于预计的发动机燃料需求来确定估计的燃料压力。 控制器利用估计的燃料压力来更准确地计算燃料喷射器的打开时间,从而改善发动机控制。

    Low deviation pressure relief valve for fuel pumps
    67.
    发明授权
    Low deviation pressure relief valve for fuel pumps 有权
    燃油泵低偏压减压阀

    公开(公告)号:US06840270B2

    公开(公告)日:2005-01-11

    申请号:US10267479

    申请日:2002-10-09

    Abstract: A low deviation pressure relief valve for a fuel pump consisting of a housing having an elongated bore having a continuous wall, an axis, shoulders arranged on the wall so as to extend toward the axis. A ball in the housing has a diameter at least less than the diameter of the bore and a ball retainer located in the bore upstream from the shoulders forms a ball seat by pre-coining process. The ball is smaller than the retainer seat in diameter to ensure an edge seal with the ball. A spring coaxial with the axis located down stream from the ball retainer and supported on the shoulders, and the ball is located between the spring and the ball seat wherein low flow restriction is created and reduced pressure variation is created as fluid flows past the ball and less buckling in the spring is created by guide ribs.

    Abstract translation: 一种用于燃料泵的低偏压减压阀,其由具有细长孔的壳体组成,所述细长孔具有连续壁,轴线,肩部布置在所述壁上以朝向所述轴线延伸。 壳体中的球具有至少小于孔径的直径,并且位于肩部上方的孔中的球保持器通过预压制过程形成球座。 球的直径小于保持座,以确保与球的边缘密封。 一个弹簧与轴线同轴,该轴线位于从球保持器的下游并支撑在肩部上,并且球位于弹簧和球座之间,其中产生低流量限制,并且随着流体流过球而产生减小的压力变化, 通过引导肋产生较少的弹簧屈曲。

    Fuel pump
    68.
    发明授权
    Fuel pump 有权
    燃油泵

    公开(公告)号:US06767181B2

    公开(公告)日:2004-07-27

    申请号:US10268519

    申请日:2002-10-10

    CPC classification number: F04D5/002 F04D5/007 F05B2250/503

    Abstract: A pump includes a pump casing and an impeller. The pump casing has an axis and comprises a cover having a face surface and a body positioned about the axis. A channel is defined in the face surface of the cover. An inlet opening extends through the cover and is coupled to the channel. The channel has a first section and a second section. The first section extends from the inlet opening and is continually sloped relative to the face surface of the cover. The first section has a length of about 40 to about 90 degrees, as measured circumferentially on the face surface of the cover about the axis. The first section includes an inlet ramp, a main ramp, and a secondary ramp, with the secondary ramp being positioned between the main ramp and the inlet ramp, and the inlet ramp being positioned adjacent the inlet opening. Each ramp has at least one depth and at least one slope.

    Abstract translation: 泵包括泵壳体和叶轮。 泵壳体具有轴线并且包括具有面表面和围绕轴线定位的主体的盖。 通道被限定在盖子的表面上。 入口开口延伸穿过盖并且联接到通道。 通道具有第一部分和第二部分。 第一部分从入口开口延伸并且相对于盖子的表面连续地倾斜。 第一部分具有约40至约90度的长度,其围绕所述轴线围绕所述盖的所述表面周向测量。 第一部分包括入口斜面,主斜面和次级斜面,其中副斜面位于主斜面和入口斜面之间,并且入口斜面邻近入口开口定位。 每个斜坡具有至少一个深度和至少一个斜率。

    Fuel delivery module for an automotive fuel system
    69.
    发明授权
    Fuel delivery module for an automotive fuel system 失效
    用于汽车燃油系统的燃油输送模块

    公开(公告)号:US06675777B2

    公开(公告)日:2004-01-13

    申请号:US10177418

    申请日:2002-06-21

    Abstract: A fuel delivery module for an automotive fuel delivery system includes a reservoir and a fuel pump. The fuel pump delivers fuel from the tank to the reservoir via a fuel tank inlet and reservoir outlet and from the reservoir to the engine via a reservoir inlet and engine outlet. The reservoir is formed with a plurality of contaminant traps for collecting contaminants contained in the fuel as the fuel is pumped through the reservoir such that the contaminants settle unto said contaminant traps thereby reducing the amount of contaminants entering the reservoir inlet.

    Abstract translation: 用于汽车燃料输送系统的燃料输送模块包括储存器和燃料泵。 燃料泵通过燃料箱入口和储存器出口将燃料从储罐输送到储存器,并且经由储存器入口和发动机出口从储存器向发动机输送燃料。 储存器形成有多个污染物捕集器,用于在燃料被泵送通过储存器时收集包含在燃料中的污染物,使得污染物沉淀到所述污染物捕集器,从而减少进入储存器入口的污染物的量。

    Impeller for electric automotive fuel pump
    70.
    发明授权
    Impeller for electric automotive fuel pump 失效
    电动汽车燃油泵叶轮

    公开(公告)号:US06174128B1

    公开(公告)日:2001-01-16

    申请号:US09249569

    申请日:1999-02-08

    Applicant: Dequan Yu

    Inventor: Dequan Yu

    CPC classification number: F04D5/002 F04D29/188

    Abstract: A fuel pump has a motor with a shaft extending therefrom and an impeller fitted thereon for pumping fuel from a fuel tank to an internal combustion engine. A pumping chamber, which encases the impeller, is comprised of a cover channel and a bottom channel formed in a pump cover and a pump bottom, respectively. The impeller has a plurality of radially extending vanes on an outer circumference separated by partitions of shorter radial length. The partitions are comprised of substantially quarter-circle shaped arcuate portions extending from the outer circumference of the impeller to a diverging portion, preferably to a substantially flat top with rounded corners. Fluid active vane grooves thus formed circumferentially between the vanes and axially between the partitions which reduce fuel vortices angular acceleration within the pumping chamber thus increasing pump efficiency.

    Abstract translation: 燃料泵具有从其延伸的轴的马达和安装在其上的用于将燃料从燃料箱泵送到内燃机的叶轮。 包围叶轮的泵送室分别由形成在泵盖和泵底部的盖通道和底部通道构成。 叶轮在外周上具有多个径向延伸的叶片,该叶片由较短径向长度的隔板分开。 隔板由从叶轮的外周延伸到发散部分的大致四分之一圆形的弓形部分构成,优选地形成具有圆角的大致平坦的顶部。 因此,流体活动叶片槽周向地形成在叶片之间并且在分隔件之间轴向地减小燃料涡流在泵送室内的角加速度,从而提高泵效率。

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