FUEL PUMP ARRANGEMENTS
    1.
    发明申请
    FUEL PUMP ARRANGEMENTS 审中-公开
    燃油泵安排

    公开(公告)号:WO2014037155A1

    公开(公告)日:2014-03-13

    申请号:PCT/EP2013/065865

    申请日:2013-07-29

    Inventor: WILLIAMS, Edward

    Abstract: A fuel pump arrangement for a fuel injection system is described. The fuel pump arrangement comprises one or more cam-driven pump units (110a, 110b), and the or each pump unit (110a, 110b) comprises a pumping chamber (112a, 112b) and a pumping element (114a, 114b) for pressurising fuel in the pumping chamber (112a, 112b). The or each pumping element (114a, 114b) is driven by a respective cam (116a, 116b) of the fuel pump arrangement to undergo at least one pumping stroke per revolution of the cam (116a, 116b). The fuel pump arrangement is configured such that the fuel volume displaced in a first pumping stroke is greater than the fuel volume displaced in a second pumping stroke. In this way, the efficiency of operation of the fuel pump arrangement can be improved.

    Abstract translation: 描述了一种用于燃料喷射系统的燃料泵装置。 燃料泵装置包括一个或多个凸轮驱动的泵单元(110a,110b),并且每个泵单元(110a,110b)包括泵送室(112a,112b)和泵送元件(114a,114b) 泵送室(112a,112b)中的燃料。 所述或每个泵送元件(114a,114b)由所述燃料泵装置的相应凸轮(116a,116b)驱动以经历所述凸轮(116a,116b)的每转至少一次泵送冲程。 燃料泵装置被配置成使得在第一泵送冲程中移动的燃料体积大于在第二泵送冲程中移动的燃料体积。 以这种方式,可以提高燃料泵装置的运转效率。

    FUEL PUMP
    2.
    发明申请
    FUEL PUMP 审中-公开
    燃油泵

    公开(公告)号:WO2013164195A1

    公开(公告)日:2013-11-07

    申请号:PCT/EP2013/058012

    申请日:2013-04-17

    CPC classification number: F02M41/1416 F02D1/183 F02M55/007

    Abstract: The present invention relates to a rotary fuel pump (101). The pump (101) has a rotor (107) and at least one pumping element (115) for supplying high pressure fuel. A cam box (123) containing a cam arrangement (103) is provided for actuating the at least one pumping element (115). A speed dependent fuel pressure line (129) is provided for supplying speed dependent fuel pressure to an advance arrangement (125) for adjusting the timing of fuel delivery by the pump (101). A first vent line (131) is provided for venting air from the speed dependent fuel pressure line (129). The first vent line (131) is in fluid communication with a collection chamber (137) for collecting air vented from the speed dependent fuel pressure line (129). A second vent line (141) is provided for venting air from the collection chamber (137). The second vent line (141) is a helical groove (141) formed in the rotor (107) or a pump housing (105). The present invention also relates to a rotor (107) for a fuel pump (101).

    Abstract translation: 本发明涉及一种旋转燃料泵(101)。 泵(101)具有用于供应高压燃料的转子(107)和至少一个泵送元件(115)。 提供了包含凸轮装置(103)的凸轮箱(123),用于致动所述至少一个泵送元件(115)。 提供速度依赖燃料压力线(129),用于将速度相关的燃料压力提供给用于调节泵(101)的燃料输送定时的提前装置(125)。 提供第一排气管线(131),用于从速度依赖燃料压力管线(129)排出空气。 第一排气管路131与收集室(137)流体连通,用于收集从速度依赖燃料压力管线(129)排出的空气。 第二排气管(141)用于从收集室(137)排出空气。 第二排气管线(141)是形成在转子(107)或泵壳体(105)中的螺旋槽(141)。 本发明还涉及一种用于燃料泵(101)的转子(107)。

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

    公开(公告)号:WO2013117485A1

    公开(公告)日:2013-08-15

    申请号:PCT/EP2013/051943

    申请日:2013-01-31

    CPC classification number: F02M69/02 F02M59/102

    Abstract: There is provided a fuel pump assembly for use in an internal combustion engine. The fuel pump assembly comprises a pumping plunger (16) for pressurising fuel within a pumping chamber (32) during a plunger pumping stroke; and a cam follower arrangement (18, 20) for imparting drive to the pumping plunger (16) including a cam follower member (18) which cooperates with the pumping plunger (16). The cam follower arrangement (18, 20) is biased into engagement with a cam drive (22, 26) whilst a degree of relative movement along the plunger axis is permitted between the cam follower member (18) and the pumping plunger (16). At least one of the pumping plunger (16) and the cam follower member (18) includes a surface provided with a feature which defines together with a facing surface of the other of the pumping plunger (16) and the cam follower member (18), a cushioning volume (44) there between for receiving fluid to provide a cushioning effect as the pumping plunger (16) and the cam follower member (18) move into contact with one another, in use. The feature includes a flat central portion (40) and an annular region (42) which is conical in form and which is angled relative to the facing surface.

    Abstract translation: 提供了一种用于内燃机的燃料泵组件。 燃料泵组件包括用于在柱塞泵送冲程期间对泵送室(32)内的燃料加压的泵送柱塞(16) 以及用于对泵送柱塞(16)施加驱动的凸轮从动装置(18,20),包括与泵送柱塞(16)配合的凸轮从动件(18)。 凸轮从动件装置(18,20)被偏置成与凸轮驱动器(22,26)接合,同时在凸轮从动件(18)和泵送柱塞(16)之间允许沿着柱塞轴线的一定程度的相对运动。 泵送柱塞(16)和凸轮从动件(18)中的至少一个包括设置有与泵送柱塞(16)和凸轮从动件(18)中的另一个的相对表面一起限定的特征的表面, ,其间的缓冲体积(44)用于在使用中接收流体以提供缓冲作用,因为泵送柱塞(16)和凸轮从动构件(18)彼此接触。 该特征包括平坦的中心部分(40)和环形区域(42),该环形区域形状为圆锥形且相对于相对表面成角度。

    A SERVICEABLE FILTRATION ARRANGEMENT
    4.
    发明申请
    A SERVICEABLE FILTRATION ARRANGEMENT 审中-公开
    可维护的过滤装置

    公开(公告)号:WO2013113834A1

    公开(公告)日:2013-08-08

    申请号:PCT/EP2013/051937

    申请日:2013-01-31

    CPC classification number: B01D29/15 B01D29/58 B01D29/96 B01D35/18 B01D36/005

    Abstract: A serviceable filtration arrangement for use in an internal combustion engine of a vehicle to remove contaminants from a liquid to be filtered. The filtration arrangement (1, 101) comprises an upstream filtration element (7, 107) and a downstream filtration element (5, 105). Upon servicing of the vehicle the upstream filtration element (7, 107) can be replaced independently of the downstream filtration element (5, 105). The upstream filtration element (7, 107) has a filtration media (61 ) which has characteristics that have been selected such that the upstream filtration element (7, 107) becomes clogged before a filtration media (51) of the downstream filtration element (5, 105) becomes clogged.

    Abstract translation: 一种用于车辆的内燃机以从待过滤的液体中除去污染物的可使用的过滤装置。 过滤装置(1,101)包括上游过滤元件(7,107)和下游过滤元件(5,105)。 在维修车辆时,可以独立于下游过滤元件(5,105)来替换上游过滤元件(7,107)。 上游过滤元件(7,107)具有过滤介质(61),该过滤介质具有被选择为使得上游过滤元件(7,107)在下游过滤元件(5)的过滤介质(51)之前堵塞的特性 ,105)堵塞。

    PUMP HEAD FOR A FUEL PUMP
    5.
    发明申请
    PUMP HEAD FOR A FUEL PUMP 审中-公开
    用于燃油泵的泵头

    公开(公告)号:WO2013113693A2

    公开(公告)日:2013-08-08

    申请号:PCT/EP2013/051674

    申请日:2013-01-29

    Abstract: A pump head (14) for a high-pressure fuel pump is disclosed. The pump head comprises a head housing including a body portion (24), and a turret portion (30) extending from the body portion (24), a pumping chamber (36) defined within the body portion (24), a pumping element bore (34) for receiving a pumping element (32) in use, the pumping element bore (34) extending from the pumping chamber (36) and through the turret portion (30), and a leakage return passage (74). The pump head (14) further comprises a sleeve (70) arranged around the turret portion (70) to define a leakage flow path (72) to allow fuel flow from the pumping element bore (34) to the leakage return passage (74). The pump head is suitable for use in a fuel pump of the type in which a cam drive arrangement of the pump is lubricated by engine oil, since contamination of the engine oil with fuel can be minimised.

    Abstract translation: 公开了一种用于高压燃料泵的泵头(14)。 泵头包括头壳体,其包括主体部分(24)和从主体部分(24)延伸的转台部分(30),限定在主体部分(24)内的泵送室(36),泵送元件孔 (34),用于在使用中接收泵送元件(32),所述泵送元件孔(34)从所述泵送室(36)延伸并且通过所述转台部分(30)和泄漏返回通道(74)。 泵头(14)还包括围绕转台部分(70)布置以限定泄漏流动路径(72)的套筒(70),以允许燃料从泵送元件孔(34)流到泄漏返回通道(74) 。 泵头适用于其中由发动机油润滑泵的凸轮驱动装置的类型的燃料泵,因为能够使燃料的发动机油的污染最小化。

    INJECTION DEVICE FOR REAGENT
    6.
    发明申请
    INJECTION DEVICE FOR REAGENT 审中-公开
    注射装置用于试剂

    公开(公告)号:WO2012095450A1

    公开(公告)日:2012-07-19

    申请号:PCT/EP2012/050366

    申请日:2012-01-11

    Inventor: COOKE, Michael

    Abstract: An injection device for administering a reagent into an exhaust passage of an internal combustion engine, the injection device having an axis (A) along its length and comprising an outwardly opening valve member (14) having a seating surface which is engageable with a valve seating region (30). A seating member provided with an internal bore (12) which defines the valve seating region (30), wherein the internal bore (12) further defines a flow re-directing region (32) downstream of the valve seating region (30). The seating member (10) has an end face (36; 136) provided with a feature (38; 138; 238; 338; 438; 538) which intersects with at least a portion of the flow re-directing region (32) to define, together with the flow re-directing region (32), a spray path for reagent exiting the injection device when the valve member (10) is moved outwardly from the bore (12) away from the valve seating region (30). The spray path has a variable spray angle, relative to the axis A, around the circumference of the valve seating region (30).

    Abstract translation: 一种用于将试剂施加到内燃机的排气通道中的注射装置,所述注射装置具有沿着其长度的轴线(A),并且包括向外打开的阀构件(14),其具有可与阀座接合的座面 区域(30)。 设置有限定所述阀座区域(30)的内​​孔(12)的座位构件,其中,所述内孔(12)还在所述阀座区域(30)的下游进一步限定流动引导区域(32)。 座位构件(10)具有设置有特征(38; 138; 238; 338; 438; 538)的端面(36; 136),其与流动引导区域(32)的至少一部分相交到 当所述阀构件(10)从所述孔(12)向外移动远离所述阀座区域(30)时,与所述流引导区域(32)一起限定出口离开所述注射装置的试剂的喷射路径。 喷射路径相对于轴线A具有围绕阀座区域(30)的圆周的可变喷雾角度。

    HOUSING WITH INTERSECTING PASSAGES FOR HIGH PRESSURE FLUID APPLICATIONS
    8.
    发明申请
    HOUSING WITH INTERSECTING PASSAGES FOR HIGH PRESSURE FLUID APPLICATIONS 审中-公开
    具有高压流体应用的接口通道的住房

    公开(公告)号:WO2011054948A1

    公开(公告)日:2011-05-12

    申请号:PCT/EP2010/066970

    申请日:2010-11-08

    Inventor: HOPLEY, Daniel

    Abstract: A housing (30) for use in high pressure fluid applications comprising a first drilling (32a, 32b), defining a first axis, and having a region of enlarged diameter (32b) bounded by an upper boundary (36) in a first plane and a lower boundary (38) in a second plane; and a second drilling (42), defining a second axis, and intersecting with the first drilling (32a, 32b) via an intersection region (44). The intersection region (44) includes a first substantially flat surface (54) which defines a ceiling of the intersection region (44) and which intersects the upper boundary (36) of the region of enlarged diameter (32b), and a second substantially flat surface (56) which is opposed to the first substantially flat surface (56) and which defines a floor of the intersection region (44) and intersects the lower boundary (38) of the region of enlarged diameter (32b). As the flat surfaces are in alignment with a region of maximum hoop stress (i.e. at the upper and lower boundaries of the enlarged diameter region of the first drilling) they do not act as a significant stress raiser at the intersection (44). In another aspect of the invention the first drilling need not have a region of enlarged diameter, with the intersection region having tangential surfaces to the circumference of the first drilling so that the intersection region does not intersect with a region of hoop stress.

    Abstract translation: 一种用于高压流体应用的壳体(30),包括限定第一轴线的第一钻孔(32a,32b),并且具有在第一平面中由上边界(36)限定的具有扩大直径(32b)的区域,以及 在第二平面中的下边界(38); 以及限定第二轴线并且经由交叉区域(44)与所述第一钻孔(32a,32b)相交的第二钻孔(42)。 交叉区域(44)包括第一基本上平坦的表面(54),其限定交叉区域(44)的顶部并与扩大直径(32b)的区域的上边界(36)相交,并且第二基本平坦 表面56与第一基本上平坦的表面56相对并且限定交叉区域44的底部并且与扩大直径32b的区域的下边界38相交。 当平坦表面与最大环向应力的区域(即,在第一次钻孔的扩大直径区域的上边界和下边界处)对准时,它们在交叉点(44)处不起到明显的应力提升器的作用。 在本发明的另一方面中,第一钻孔不需要具有扩大直径的区域,其中交叉区域具有与第一钻孔的圆周相切的切向面,使得交叉区域不与环向应力的区域相交。

    FUEL INJECTOR
    9.
    发明申请
    FUEL INJECTOR 审中-公开
    喷油器

    公开(公告)号:WO2011054925A1

    公开(公告)日:2011-05-12

    申请号:PCT/EP2010/066896

    申请日:2010-11-05

    Abstract: A fuel injector (300) comprising a solenoid actuator (200) and a housing is disclosed. The housing comprises a first housing body (302) having a recess (308) for receiving the actuator (200) and an end face (303), and a second housing body (304) for receiving the valve member (232) and having a sealing face (305) sealable against the end face (303) of the first housing body (302). The actuator comprises a generally cylindrical core member (202) having a longitudinal axis (A) and defining, at an end thereof, an inner pole face (210) of the actuator, a wire coil (212) disposed around the core member (202) and arranged to be connected to a power source in use so as to generate a magnetic field around the coil, an outer ring (218) arranged concentrically around the end of the core member (202) and defining an outer pole face (220) of the actuator, and a support ring (216) of non-magnetic material having a relatively low magnetic permeability, the support ring (216) being disposed between the end of the core member (202) and the outer ring (218). In one embodiment, the actuator (200) is receivable in a recess (308) in a housing (302), and is arranged such that substantially all of the flux in a part of a magnetic circuit defined by the magnetic field is guided to pass between the outer ring (218) and the housing (302) in use of the actuator. At least the outer pole face (220) is coplanar with the end face (303) of the first housing body (302).

    Abstract translation: 公开了一种包括螺线管致动器(200)和壳体的燃料喷射器(300)。 壳体包括具有用于接收致动器(200)和端面(303)的凹部(308)的第一壳体(302)和用于接收阀构件(232)并具有 密封面(305)可密封抵靠第一壳体主体(302)的端面(303)。 致动器包括具有纵向轴线(A)并且在其一端限定致动器的内极面(210)的大致圆柱形的芯构件(202),围绕芯构件(202)设置的线圈(212) ),并且布置成在使用中被连接到电源,以便在线圈周围产生磁场;外圈(218),其围绕所述芯构件(202)的端部同心设置并且限定外极面(220), 以及具有相对低磁导率的非磁性材料的支撑环(216),所述支撑环(216)设置在所述芯构件(202)的端部和所述外环(218)之间。 在一个实施例中,致动器(200)可接收在壳体(302)中的凹部(308)中,并且被布置成使得由磁场限定的磁路的一部分中的所有通量被引导到通过 在使用致动器的情况下在外圈(218)和壳体(302)之间。 至少外极面(220)与第一壳体(302)的端面(303)共面。

    PUMP ASSEMBLY
    10.
    发明申请
    PUMP ASSEMBLY 审中-公开
    泵组件

    公开(公告)号:WO2011009839A1

    公开(公告)日:2011-01-27

    申请号:PCT/EP2010/060440

    申请日:2010-07-19

    Inventor: HOPLEY, Daniel

    Abstract: A pump assembly (30) for use in an internal combustion engine comprises a pump housing (32a, 32b) provided with a bore (34) within which a pumping plunger (36) is reciprocal along a plunger axis; a pump chamber (38) defined at one end of the bore (34) within which fuel is pressurised to a relatively high level as the pumping plunger (36) reciprocates within the bore (34), in use; and an inlet valve (40, 40a, 40b) housed within the pump housing (32a, 32b) and in communication with the pump chamber (38) to control the flow of fuel into the pump chamber (38). A clamp member (46) applies a clamping load to the pump housing (32a, 32b), which has at least a component that is aligned with the plunger axis, through a surface of the pump housing located approximately axially above the bore (34). This has the effect of generating a compressive stress in the pump housing in close proximity to the plunger bore (34) to counter tensile stress within the pump housing due to pressurised fuel within the pump chamber (38). The clamp member (46) may be secured to the pump housing (32a, 32b) by at least one securing member (48), which may be positioned radially outwards from the bore (34) and extend through or below a plane through the pump chamber (38) and perpendicular to the plunger axis through the pump chamber (38).

    Abstract translation: 用于内燃机的泵组件(30)包括设置有孔(34)的泵壳体(32a,32b),泵柱塞(36)沿柱塞轴线往复运动; 限定在所述孔(34)的一端处的泵室(38),在使用中所述泵室(38)在所述孔(34)内随着所述泵柱塞(36)往复运动而将所述燃料加压到相对高的水平; 以及容纳在泵壳体(32a,32b)内并与泵室(38)连通以控制进入泵室(38)的燃料流的入口阀(40,40,40b)。 夹紧构件(46)通过位于大致轴向位于孔(34)上方的泵壳体的表面,将至少具有与柱塞轴线对准的部件的泵壳体(32a,32b)施加夹紧载荷, 。 这具有在泵壳体内靠近柱塞孔(34)产生压缩应力的作用,以抵抗由泵腔(38)内的加压燃料引起的泵壳体内的拉应力。 夹紧构件(46)可以通过至少一个固定构件(48)固定到泵壳体(32a,32b),所述至少一个固定构件(48)可以从孔(34)径向向外定位并延伸穿过泵的平面 (38)并且通过泵室(38)垂直于柱塞轴线。

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