Housing with intersecting passages
    1.
    发明申请
    Housing with intersecting passages 有权
    带相交通道的房屋

    公开(公告)号:US20080282879A1

    公开(公告)日:2008-11-20

    申请号:US11986446

    申请日:2007-11-21

    IPC分类号: F04B53/16

    摘要: A housing for use in high-pressure fluid applications, comprising a first passage defining a first axis (P1) and a second passage defining a second axis (P2), wherein the first and second passages intersect at an opening defined by an intersection at one end of the second passage. When sectioned on a plane normal to the second axis (P2) and not intersecting the first passage, the intersection defines an ellipse (E) in the plane and centred on the second axis (P2), the ellipse having a major axis equal in length to the width (D2) of the intersection and a minor axis equal in length to the height (D1) of the intersection. A wall of the intersection describes a curve in the plane, the curve passing through the points where the major and minor axes of the ellipse (E) meet the perimeter of the ellipse (E), and through points which lie outside the ellipse (E) and which are offset from the ellipse (E) by an offset distance (K).

    摘要翻译: 一种用于高压流体应用的壳体,包括限定第一轴线(P 1)的第一通道和限定第二轴线(P 2)的第二通道,其中所述第一和第二通道在由交叉点限定的开口处相交 在第二段的一端。 当在垂直于第二轴线(P 2)的平面上切片并且不与第一通道相交时,交点在平面中限定椭圆(E)并且以第二轴线(P 2)为中心,椭圆具有等于 长度与交点的宽度(D 2)和长度相等于交点的高度(D 1)的短轴。 交点的一个墙面描述了平面中的曲线,曲线穿过椭圆(E)的主轴和短轴与椭圆(E)的周长相交的点,以及穿过椭圆(E)外的点 ),并且偏离椭圆(E)偏移距离(K)。

    Housing with intersecting passages
    2.
    发明授权
    Housing with intersecting passages 有权
    带相交通道的房屋

    公开(公告)号:US07607458B2

    公开(公告)日:2009-10-27

    申请号:US11986446

    申请日:2007-11-21

    IPC分类号: F04B53/16

    摘要: A housing for use in high-pressure fluid applications, comprising a first passage defining a first axis (P1) and a second passage defining a second axis (P2), wherein the first and second passages intersect at an opening defined by an intersection at one end of the second passage. When sectioned on a plane normal to the second axis (P2) and not intersecting the first passage, the intersection defines an ellipse (E) in the plane and centred on the second axis (P2), the ellipse having a major axis equal in length to the width (D2) of the intersection and a minor axis equal in length to the height (D1) of the intersection. A wall of the intersection describes a curve in the plane, the curve passing through the points where the major and minor axes of the ellipse (E) meet the perimeter of the ellipse (E), and through points which lie outside the ellipse (E) and which are offset from the ellipse (E) by an offset distance (K).

    摘要翻译: 一种用于高压流体应用的壳体,包括限定第一轴线(P1)的第一通道和限定第二轴线(P2)的第二通道,其中第一和第二通道在由一个交叉点限定的开口处相交 第二段结束。 当在垂直于第二轴线(P2)的平面上分段并且不与第一通道相交时,交点在平面中限定椭圆(E)并且以第二轴线(P2)为中心,椭圆具有长度等于长度 与交点的宽度(D2)和长度相等于交点的高度(D1)的短轴。 交点的一个墙面描述了平面中的曲线,曲线穿过椭圆(E)的主轴和短轴与椭圆(E)的周长相交的点,以及穿过椭圆(E)外的点 ),并且偏离椭圆(E)偏移距离(K)。

    IMPROVEMENTS RELATING TO FUEL PUMPS
    3.
    发明申请
    IMPROVEMENTS RELATING TO FUEL PUMPS 有权
    关于燃油泵的改进

    公开(公告)号:US20110120418A1

    公开(公告)日:2011-05-26

    申请号:US13054128

    申请日:2009-07-13

    IPC分类号: F02M59/46 F04B53/10 F04B49/00

    摘要: A pump head suitable for use in a fuel pump for a common rail fuel injection system, comprises a pump head housing defining a plunger bore and a pumping chamber. Fuel is pressurized within the pumping chamber by a plunger reciprocating within the plunger bore. The pump head housing includes an inlet valve arrangement for controlling fuel flow into the pumping chamber. The inlet valve arrangement includes a valve member movable between open and closed positions in response to fuel pressure within a gallery. The gallery communicates with an external chamber defined by a closure means externally mounted to the pump head housing. In use, the gallery communicates with a source of low-pressure fuel via the external chamber. The pump head housing has a projection which locates the closure member on the pump head housing.

    摘要翻译: 一种适合用于共轨燃料喷射系统的燃料泵的泵头包括限定柱塞孔和泵送室的泵头壳体。 燃料通过在柱塞孔内往复运动的柱塞在泵送室内被加压。 泵头壳体包括用于控制进入泵送室的燃料流的入口阀装置。 入口阀装置包括响应于画廊内的燃料压力在打开位置和关闭位置之间运动的阀构件。 画廊与由外部安装在泵头壳体上的封闭装置限定的外部室连通。 在使用中,画廊通过外部室与低压燃料源通信。 泵头壳体具有将封闭构件定位在泵头壳体上的突起。

    VALVE ASSEMBLY FOR FUEL PUMP
    4.
    发明申请
    VALVE ASSEMBLY FOR FUEL PUMP 有权
    燃油泵组件

    公开(公告)号:US20100119395A1

    公开(公告)日:2010-05-13

    申请号:US12567997

    申请日:2009-09-28

    IPC分类号: F04B53/10 F16K1/32

    摘要: A valve assembly for use in a fuel pump comprises a body member with a valve aperture, a valve member movable within the body member and adapted to close the valve aperture, and a biasing arrangement having a first part fixed with respect to one of the body member and the valve member and a second part fixed with respect to the other of the body member and the valve member. The biasing arrangement is adapted to bias the valve member to close the valve aperture. The biasing arrangement comprises a helical spring with a first diameter at the first part and a second diameter at the second part. The first diameter of the helical spring is different from the second diameter of the spring. The helical spring is at its first part retained by an interference fit against the member with respect to which it is fixed.

    摘要翻译: 用于燃料泵的阀组件包括具有阀孔的本体构件,可在主体构件内移动并适于闭合阀孔的阀构件,以及偏置装置,其具有相对于主体中的一个固定的第一部分 构件和阀构件以及相对于主体构件和阀构件中的另一个固定的第二部分。 偏置装置适于偏压阀构件以关闭阀孔。 偏置装置包括在第一部分处具有第一直径的螺旋弹簧和在第二部分处的第二直径。 螺旋弹簧的第一直径不同于弹簧的第二直径。 螺旋弹簧在其第一部分处通过与其固定的部件的过盈配合保持。

    Fuel pump head having an external chamber
    5.
    发明授权
    Fuel pump head having an external chamber 有权
    燃油泵头具有外部室

    公开(公告)号:US08794939B2

    公开(公告)日:2014-08-05

    申请号:US13054128

    申请日:2009-07-13

    IPC分类号: F04B39/10 F16K15/06

    摘要: A pump head suitable for use in a fuel pump for a common rail fuel injection system, comprises a pump head housing defining a plunger bore and a pumping chamber. Fuel is pressurized within the pumping chamber by a plunger reciprocating within the plunger bore. The pump head housing includes an inlet valve arrangement for controlling fuel flow into the pumping chamber. The inlet valve arrangement includes a valve member movable between open and closed positions in response to fuel pressure within a gallery. The gallery communicates with an external chamber defined by a closure member externally mounted to the pump head housing. In use, the gallery communicates with a source of low-pressure fuel via the external chamber. The pump head housing has a projection which locates the closure member on the pump head housing.

    摘要翻译: 一种适合用于共轨燃料喷射系统的燃料泵的泵头包括限定柱塞孔和泵送室的泵头壳体。 燃料通过在柱塞孔内往复运动的柱塞在泵送室内被加压。 泵头壳体包括用于控制进入泵送室的燃料流的入口阀装置。 入口阀装置包括响应于画廊内的燃料压力在打开位置和关闭位置之间运动的阀构件。 画廊与由外部安装在泵头壳体上的封闭构件限定的外部室连通。 在使用中,画廊通过外部室与低压燃料源通信。 泵头壳体具有将封闭构件定位在泵头壳体上的突起。

    Valve assembly for fuel pump
    6.
    发明授权
    Valve assembly for fuel pump 有权
    燃油泵阀组件

    公开(公告)号:US08763636B2

    公开(公告)日:2014-07-01

    申请号:US12567997

    申请日:2009-09-28

    IPC分类号: F16K15/06

    摘要: A valve assembly for use in a fuel pump comprises a body member with a valve aperture, a valve member movable within the body member and adapted to close the valve aperture, and a biasing arrangement having a first part fixed with respect to one of the body member and the valve member and a second part fixed with respect to the other of the body member and the valve member. The biasing arrangement is adapted to bias the valve member to close the valve aperture. The biasing arrangement comprises a helical spring with a first diameter at the first part and a second diameter at the second part. The first diameter of the helical spring is different from the second diameter of the spring. The helical spring is at its first part retained by an interference fit against the member with respect to which it is fixed.

    摘要翻译: 用于燃料泵的阀组件包括具有阀孔的本体构件,可在主体构件内移动并适于闭合阀孔的阀构件,以及偏置装置,其具有相对于主体中的一个固定的第一部分 构件和阀构件以及相对于主体构件和阀构件中的另一个固定的第二部分。 偏置装置适于偏压阀构件以关闭阀孔。 偏置装置包括在第一部分处具有第一直径的螺旋弹簧和在第二部分处的第二直径。 螺旋弹簧的第一直径不同于弹簧的第二直径。 螺旋弹簧在其第一部分处通过与其固定的构件的过盈配合保持。