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    • 1. 发明申请
    • PIEZOELECTRIC ACTUATOR
    • 压电致动器
    • WO2007066116A1
    • 2007-06-14
    • PCT/GB2006/004576
    • 2006-12-07
    • DELPHI TECHNOLOGIES, INC.COOKE, MichaelHARDY, MartinKOLKMAN, ManfredTAPIN, Christopher
    • COOKE, MichaelHARDY, MartinKOLKMAN, ManfredTAPIN, Christopher
    • H01L41/04H01L41/083
    • H01L41/083H01L41/04
    • A piezoelectric actuator comprises a stack (10) of piezoelectric elements (12) formed from a piezoelectric material, a plurality of positive internal electrodes (14) interdigitated with a plurality of negative internal electrodes (16) to define active regions of the piezoelectric material which are responsive to a voltage being applied across the internal electrodes (14, 16) , in use, an external positive electrode (18) for connection to the positive internal electrodes (14) , and an external negative electrode for connection to the negative internal electrodes (16) . The stack (10) includes an inactive stack region (22) that defines a resistive element (24, 24a, 26, 70, 74) in the form of a coating of resistive material applied to an outer peripheral surface (24, 26) and/or an inner peripheral surface of the inactive stack region (22) , wherein the resistive element is arranged to connect between the external positive electrode (18) and the external negative electrode (72) to allow charge to dissipate from the stack (10) .
    • 压电致动器包括由压电材料形成的压电元件(12)的堆叠(10),与多个负的内部电极(16)互相指向的多个正的内部电极(14),以限定压电材料的有源区域, 响应于在使用中施加在内部电极(14,16)上的电压,用于连接到正内部电极(14)的外部正极(18)和用于连接到负极内部电极的外部负极 (16)。 堆叠(10)包括非活性堆叠区域(22),其限定施加到外周表面(24,26)上的电阻材料涂层形式的电阻元件(24,24,27a,74,74)和 /或非活性堆叠区域(22)的内周表面,其中电阻元件布置成在外部正极(18)和外部负极(72)之间连接,以允许电荷从堆叠(10)消散, 。
    • 3. 发明申请
    • PIEZOELECTRIC ACTUATOR
    • 压电致动器
    • WO2007031700A1
    • 2007-03-22
    • PCT/GB2006/002519
    • 2006-07-07
    • DELPHI TECHNOLOGIES, INC.BOSCH, RussellCOOKE, MichaelGOAT, Christopher
    • BOSCH, RussellCOOKE, MichaelGOAT, Christopher
    • H01L41/083
    • H01L41/0471H01L41/0838H01L41/273Y10T29/42
    • A piezoelectric actuator comprises a co-fired stack (10) of piezoelectric elements (12) formed from a piezoelectric material and a plurality of positive internal electrodes (14) interdigitated with a plurality of negative internal electrodes (16) throughout the stack (10) to define active regions (22) of the piezoelectric material which are responsive to a voltage applied across the internal electrodes (14), in use. An external positive electrode (18) connects with the positive internal electrodes (14) and an external negative electrode (20) connects with the negative internal electrodes (16). The actuator is characterised in that the stack (10) further comprises means (34; 38a, 38b; 40) for deliberately creating artificial cracks (36) within the stack (10) at a location at which the artificial cracks do not give rise to a short circuit between the internal electrodes (14, 16) but serve to relieve stresses within the piezoelectric material.
    • 压电致动器包括由压电材料形成的压电元件(12)的共烧堆叠(10)和与整个堆叠(10)中的多个负内部电极(16)互相指向的多个正内部电极(14) 以限定在使用中响应于施加在内部电极(14)上的电压的压电材料的有源区域(22)。 外部正极(18)与正内部电极(14)连接,外部负极(20)与负极内部电极(16)连接。 致动器的特征在于,堆叠(10)还包括用于在人造裂纹不引起的位置处故意地在堆叠(10)内产生人造裂纹(36)的装置(34; 38a,38b; 40) 内部电极(14,16)之间的短路,但用于减轻压电材料内的应力。
    • 4. 发明申请
    • FLUID DOSING DEVICE
    • 流体计量装置
    • WO2010133685A1
    • 2010-11-25
    • PCT/EP2010/057001
    • 2010-05-20
    • DELPHI TECHNOLOGIES HOLDING S.À.R.L.WRIGHT, KeithCOOKE, MichaelTHOMPSON, PhillipCOSTER, SimonOLDFIELD, NickHARDY, Martin
    • WRIGHT, KeithCOOKE, MichaelTHOMPSON, PhillipCOSTER, SimonOLDFIELD, NickHARDY, Martin
    • F01N3/20F01N13/18F01N3/36
    • F01N3/2066F01N3/36F01N13/18F01N2610/02F01N2610/14F01N2610/1433F01N2610/1453Y02T10/24
    • A mounting arrangement for attaching a pump arrangement (10, 110, 210) to an exhaust pipe (12, 112) at a boss (14, 114) is disclosed. The pump arrangement (10, 110, 210) comprises a delivery nozzle section (22, 122) and a remaining section including a pump body (20, 120), and the mounting arrangement comprises packing means (66, 152, 252) for supporting the pump body (20, 120) at the remaining section of the pump arrangement (10, 110, 210). The packing means provides thermal insulation and reduces noise during operation of the pump. A dosing device (110) for an exhaust system of an internal combustion engine is also disclosed. The dosing device comprises a pump (118) comprising a pump body (120); a delivery nozzle (122) for receiving fluid from the pump (118) and having an outlet end (130) from which fluid is expelled into the exhaust system upon operation of the pump (118); and a mounting arrangement (124, 126, 144) for mounting the pump (118) to an exhaust chamber of the exhaust system, in use. The mounting arrangement (124, 126, 144) comprises a heat shield (148) that surrounds at least an outlet end (130) of the nozzle (122) so as to define an air gap (150) between the heat shield (148) and the nozzle (122). The heat shield (148) is thermally decoupled from the nozzle (122) and the pump body (120), to guard against overheating of the reagent in the pump.
    • 公开了一种用于将泵装置(10,110,210)附接到在凸台(14,114)处的排气管(12,112)的安装装置。 泵装置(10,110,210)包括输送喷嘴部分(22,122)和包括泵体(20,120)的剩余部分,并且所述安装装置包括用于支撑的填料装置(66,152,252) 在泵装置(10,110,210)的剩余部分处的泵体(20,120)。 包装装置提供热绝缘,并减少泵运行期间的噪音。 还公开了一种用于内燃机排气系统的计量装置(110)。 所述计量装置包括包括泵体(120)的泵(118); 用于从泵(118)接收流体并具有出口端(130)的输送喷嘴(122),在泵(118)的操作时,流体从该出口端排出到排气系统中; 以及用于在使用中将泵(118)安装到排气系统的排气室的安装装置(124,126,144)。 安装装置(124,126,144)包括隔热罩(148),其围绕喷嘴(122)的至少一个出口端(130),以便限定在隔热罩(148)之间的空气间隙(150) 和喷嘴(122)。 热屏蔽(148)与喷嘴(122)和泵体(120)热分离,以防止泵中的试剂过热。
    • 5. 发明申请
    • INJECTION DEVICE FOR REAGENT
    • 注射装置用于试剂
    • WO2012095450A1
    • 2012-07-19
    • PCT/EP2012/050366
    • 2012-01-11
    • DELPHI TECHNOLOGIES HOLDING S.À.R.L.COOKE, Michael
    • COOKE, Michael
    • F01N3/20F02M61/08F02M61/18
    • F16L41/02F01N3/2066F01N2610/02F01N2610/1453F02M61/08F02M61/18Y02T10/24Y10T137/87676
    • 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).
    • 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。
    • 7. 发明申请
    • FUEL INJECTOR
    • 喷油器
    • WO2010145911A1
    • 2010-12-23
    • PCT/EP2010/057003
    • 2010-05-20
    • DELPHI TECHNOLOGIES HOLDING S.À.R.L.COOKE, Michael
    • COOKE, Michael
    • F02M45/08F02M47/02F02M51/06F02M61/18
    • F02M45/086F02M47/027F02M51/061F02M61/182F02M2200/46
    • A fuel injector (100) for use in an internal combustion engine comprising an injection nozzle (118) having a nozzle body (120) provided with a nozzle bore (130), a first valve needle (136) received within the nozzle bore and being engageable with a first seat region (137) to control fuel delivery through a first set of nozzle outlets (126), and a second valve needle (138) received within a valve bore (140) provided in the first valve needle and being engageable with a second seat region (144) arranged to control fuel delivery through a second set of nozzle outlets (128). A control chamber (184) for fuel is provided, preferably at least in part, between the first valve needle and the second valve needle, wherein movement of the first valve needle is responsive to fuel pressure in the control chamber, and wherein movement of the second valve needle is mechanically coupled to an armature of the first actuator arrangement (159), such that when the second valve needle lifts away from the second seating region, a fuel flow path is established between the control chamber and the second set of nozzle outlets. The fuel injector further includes a second actuator arrangement (200) that is operable to control fuel flow into the control chamber thereby regulating fuel pressure within the control chamber and, thus, movement of the first valve needle.
    • 一种用于内燃机的燃料喷射器(100),其包括具有喷嘴主体(120)的注射喷嘴(118),喷嘴主体(120)设置有喷嘴孔(130),第一阀针(136)容纳在喷嘴孔内, 可与第一座位区域(137)接合以控制通过第一组喷嘴出口(126)的燃料输送;以及第二阀针(138),其容纳在设置在第一阀针中的阀孔(140)内并可与 布置成控制通过第二组喷嘴出口(128)的燃料输送的第二座位区域(144)。 优选地,至少部分地在第一阀针和第二阀针之间提供用于燃料的控制室(184),其中第一阀针的运动响应于控制室中的燃料压力,并且其中运动 第二阀针机械地联接到第一致动器装置(159)的衔铁,使得当第二阀针从第二安置区域提升时,在控制室和第二组喷嘴出口之间建立燃料流动路径 。 燃料喷射器还包括第二致动器装置(200),其可操作以控制进入控制室的燃料流,从而调节控制室内的燃料压力,从而调节第一阀针的运动。
    • 9. 发明申请
    • FASTENING MEMBER
    • 紧急会员
    • WO2011073004A1
    • 2011-06-23
    • PCT/EP2010/068137
    • 2010-11-24
    • DELPHI TECHNOLOGIES HOLDING S.à.r.l.COOKE, MichaelGUERRATO, DiegoCALONNE, Jerome
    • COOKE, MichaelGUERRATO, DiegoCALONNE, Jerome
    • F02M61/16F16B37/14F02M61/14
    • F02M61/168F02M61/14F02M2200/8076F16B29/00
    • A fastening member (100) for fastening a first component (118) to a second component (110) in an end-to-end configuration along a common axis (A) is disclosed. The fastening member (100) comprises a first portion (124) having a threaded region for engagement with a corresponding threaded region (120) of the first component (118), a second portion (126) for applying a retaining force to the second component (110) to hold the first and second components (118, 110) in sealing engagement, and a deformable portion (130) intermediate the first and second portions (124, 126). The deformable portion (130) is plastically deformable so as to allow relative movement of the first and second portions (124, 126) in use of the fastening member (100), such that a location (129) on the fastening member can be brought into angular alignment with a location on the first or second component (118, 110) upon turning movement of the fastening member. The fastening member is particularly suitable for use as a cap nut in a fuel injector of the type having a cylinder pressure sensor integrated into the cap nut.
    • 公开了一种用于沿着公共轴线(A)以端对端配置将第一部件(118)紧固到第二部件(110)的紧固部件(100)。 紧固构件(100)包括具有螺纹区域的第一部分(124),用于与第一部件(118)的对应的螺纹区域(120)接合,第二部分(126)用于向第二部件 (110),以将第一和第二部件(118,110)保持在密封接合状态,以及在第一和第二部分(124,126)之间的可变形部分(130)。 可变形部分(130)是可塑性变形的,以允许在使用紧固构件(100)时第一和第二部分(124,126)的相对运动,使得紧固构件上的位置(129)可以被带到 当紧固构件转动时,与第一或第二构件(118,110)上的位置成角度对准。 紧固构件特别适用于具有集成在盖螺母中的气缸压力传感器的类型的燃料喷射器中的盖帽螺母。