公开(公告)号：WO2014037146A1

公开(公告)日：2014-03-13

申请号：PCT/EP2013/065536

申请日：2013-07-23

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L.

Inventor： MALE, Andrew ,  HARCOMBE, Anthony

IPC: F02M59/46 ,  F02M59/36 ,  F02M63/00

CPC classification number: F04B7/0076 ,  F02M59/02 ,  F02M59/027 ,  F02M59/34 ,  F02M59/36 ,  F02M59/367 ,  F02M59/466 ,  F02M63/0024 ,  F02M63/0033 ,  F04B7/02 ,  F04B53/109 ,  F04B53/1092

Abstract: The present application relates to a pump unit (1) for a fuel injection system. The pump unit (1) has a low pressure fuel supply line (11) and a high pressure fuel outlet (13). A pumping chamber (5) having a plunger (15) is operable to perform a pumping cycle comprising a pumping stroke and a filling stroke. The pump unit (1) also includes an inlet valve (7) having an inlet valve member (19) movable between an open position for permitting the supply of fuel to the pumping chamber (5) from the low pressure fuel supply line (11) and a closed position for inhibiting the supply of fuel from the pumping chamber (5) to the low pressure supply line (11). An outlet valve (9) is provided in the high pressure fuel outlet (13). The pump unit (1) also includes a means (39) for latching the inlet valve member (19) in its open position. The present application also relates to a method of operating a pump unit (1); and a valve (7) for a fuel injection system. The inlet valve member (7) comprises a bore (25) for selectively establishing fluid communication between the pumping chamber (5) and either the fuel supply line (11) or the outlet valve (9).

Abstract translation: 本申请涉及一种用于燃料喷射系统的泵单元（1）。 泵单元（1）具有低压燃料供应管线（11）和高压燃料出口（13）。 具有柱塞（15）的泵送室（5）可操作以执行包括泵送冲程和填充冲程的泵送循环。 泵单元（1）还包括具有入口阀构件（19）的入口阀（7），入口阀构件（19）可在允许从低压燃料供应管线（11）向泵送室（5）供应燃料的打开位置之间移动， 以及用于禁止从泵送室（5）向低压供应管线（11）供应燃料的关闭位置。 出口阀（9）设置在高压燃料出口（13）中。 泵单元（1）还包括用于将入口阀构件（19）锁定在其打开位置的装置（39）。 本申请还涉及一种操作泵单元（1）的方法; 和用于燃料喷射系统的阀（7）。 入口阀构件（7）包括用于选择性地建立泵送室（5）和燃料供应管线（11）或出口阀（9）之间的流体连通的孔（25）。

公开(公告)号：WO2013178443A1

公开(公告)日：2013-12-05

申请号：PCT/EP2013/059511

申请日：2013-05-07

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L.

Inventor： HARCOMBE, Anthony ,  MEEK, George

IPC: F02M47/02

CPC classification number: F02M61/042 ,  F02M47/027 ,  F02M47/06

Abstract: The present invention relates to a fuel injector (1) for use in delivering fuel to an internal combustion engine. The fuel injector (1) includes a nozzle having at least one nozzle outlet. A valve needle is moveable with respect to a valve needle seating through a range of movement between a closed position and an open position to control fuel delivery through the at least one nozzle outlet. The movement of the nozzle needle is controlled by fuel pressure within a control chamber (18). The injector (1) has first and second nozzle control valves (8, 10) for controlling fuel flow into and out of the control chamber (18) to pressurise and depressurise the control chamber, respectively. The first nozzle control valve (10) can operate selectively to place the control chamber (18) in fluid communication with a fuel drain (28). The first nozzle control valve (8) can also operate selectively to place the control chamber (18) in fluid communication with a high pressure supply line (26). The second nozzle control valve (10) can operate selectively to place the control chamber (18) in fluid communication with a fuel drain (30). In an alternate arrangement, a filling valve (80) can be provided selectively to place a high pressure supply line (24) in fluid communication with the control chamber (18). The present invention also relates to a method of operating a fuel injector (1); and a fuel injector control system.

Abstract translation: 本发明涉及一种用于向内燃机输送燃料的燃料喷射器（1）。 燃料喷射器（1）包括具有至少一个喷嘴出口的喷嘴。 阀针可相对于阀针运动，该阀针位于关闭位置和打开位置之间的运动范围内，以控制通过至少一个喷嘴出口的燃料输送。 喷嘴针的移动由控制室（18）内的燃料压力控制。 喷射器（1）具有第一和第二喷嘴控制阀（8,10），用于控制进入和离开控制室（18）的燃料流量，以分别对控制室进行加压和减压。 第一喷嘴控制阀（10）可以选择性地操作以将控制室（18）与燃料排放管（28）流体连通。 第一喷嘴控制阀（8）还可以选择性地操作以使控制室（18）与高压供应管线（26）流体连通。 第二喷嘴控制阀（10）可以选择性地操作，以将控制室（18）与燃料排出口（30）流体连通。 在替代布置中，可以选择性地设置填充阀（80）以将高压供应管线（24）与控制室（18）流体连通。 本发明还涉及一种操作燃料喷射器（1）的方法; 和燃料喷射器控制系统。

公开(公告)号：WO2013020789A1

公开(公告)日：2013-02-14

申请号：PCT/EP2012/064209

申请日：2012-07-19

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L. ,  NAVAS SANCHEZ, Borja

Inventor： NAVAS SANCHEZ, Borja

IPC: F02M59/02 ,  F02M59/44 ,  F04B1/04

CPC classification number: F04B35/002 ,  F02M59/02 ,  F02M59/44 ,  F04B1/0404 ,  F04B1/0426 ,  F04B53/16

Abstract: A fuel pump (1) is provided for pressurising fuel in a high-pressure fuel injection system. The fuel pump (1) comprises a pump head (7), a pumping element (8), a frame (12) and a casing (3). The pump head (7) has a pumping chamber (7a) that is arranged to receive fuel to be pressurised. The pumping element (8) is arranged to reciprocate responsive to movement of a driving element (10), the pumping element (8) defining, in part, the pumping chamber (7a) so that, in use, as the pumping element (8) reciprocates, a force, transferred from the driving element (10), is applied to the fuel within the pumping chamber (7a) to pressurise the fuel. The frame (12) is arranged to support the driving element (10) and the pump head (7). The casing (3) defines an internal volume (5) for containing fluid, wherein at least a part of the frame (12), at least a part of the drive element (10), and at least a part of the pumping element are received in the casing.

Abstract translation: 提供一种用于在高压燃料喷射系统中对燃料加压的燃料泵（1）。 燃料泵（1）包括泵头（7），泵送元件（8），框架（12）和壳体（3）。 泵头（7）具有被设置成接收被加压的燃料的泵送室（7a）。 泵送元件（8）被布置成响应于驱动元件（10）的运动而往复运动，泵送元件（8）部分地限定泵送室（7a），使得在使用中，作为泵送元件（8） ）往复运动，从驱动元件（10）传递的力被施加到泵送室（7a）内的燃料以对燃料加压。 框架（12）布置成支撑驱动元件（10）和泵头（7）。 壳体（3）限定用于容纳流体的内部容积（5），其中框架（12）的至少一部分，驱动元件（10）的至少一部分和泵送元件的至少一部分是 收到了套管。

公开(公告)号：WO2012171948A1

公开(公告)日：2012-12-20

申请号：PCT/EP2012/061182

申请日：2012-06-13

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L. ,  MARECHAL, Michel ,  SAUVAGE, Frederic ,  CARDON, Christophe

Inventor： MARECHAL, Michel ,  SAUVAGE, Frederic ,  CARDON, Christophe

IPC: F02M61/12 ,  F02M63/02 ,  F02M63/00 ,  F16K31/06

CPC classification number: F16K31/0658 ,  F02M61/12 ,  F02M63/0007 ,  F02M63/0015 ,  F02M63/0225 ,  F02M63/025

Abstract: An electro-valve for discharging a common rail while maintaining a minimum pressure, comprising an electro-magnetic coil inside which is arranged a movable plunger, controlling the displacements of a movable axis engaging a ball valve, said movable plunger being urged in the closing position of the ball valve by a spring housed inside a bearing cap, wherein a bottom wall of the bearing cap surrounds an external surface of the movable plunger, wherein a clearance between the external surface of the plunger and an internal wall of the bearing cap is filled with a film of fuel, the opening movement of the plunger causing the fuel to flow from a room situated on top of the plunger to a bore in which the axis is arranged, wherein a sleeve of a controlled thickness is arranged around the plunger within the clearance to set the thickness of said film of fuel.

Abstract translation: 一种用于在保持最小压力的同时排出共轨的电动阀，包括电磁线圈，其内部设置有可移动的柱塞，控制与球阀接合的可动轴的位移，所述可动柱塞被推动在关闭位置 通过容纳在轴承盖内的弹簧，其中轴承盖的底壁围绕可移动柱塞的外表面，其中柱塞的外表面与轴承盖的内壁之间的间隙被填充 具有燃料膜，柱塞的​​打开运动导致燃料从位于柱塞顶部的房间流动到其中布置轴线的孔，其中具有受控厚度的套筒围绕柱塞布置在内部 间隙设定所述薄膜的燃料厚度。

公开(公告)号：WO2011131566A1

公开(公告)日：2011-10-27

申请号：PCT/EP2011/055940

申请日：2011-04-14

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L. ,  LEBLAY, Arnaud ,  AYE, Andreas

Inventor： LEBLAY, Arnaud ,  AYE, Andreas

IPC: F02M51/06 ,  F02M63/00 ,  H01L41/053

CPC classification number: F02M51/0603 ,  F02M63/0026 ,  H01L41/053 ,  H01L41/0533

Abstract: The present invention relates to an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a rigid encapsulation member which encloses the body section and the end pieces, wherein potting material is fitted between the rigid encapsulation member and the body section, wherein the first end piece is slideably fitted into the rigid encapsulation and the second end piece is fixed to or integrated into the encapsulation member.

Abstract translation: 本发明涉及一种用于燃料喷射器的致动器装置，包括：具有主体部分的压电致动器，所述主体部分具有第一端部件和第二端部件; 封闭主体部分和端部件的刚性封装构件，其中灌封材料装配在刚性封装构件和主体区段之间，其中第一端件可滑动地装配到刚性封装件中，并且第二端件固定到 集成到封装构件中。

公开(公告)号：WO2011073004A1

公开(公告)日：2011-06-23

申请号：PCT/EP2010/068137

申请日：2010-11-24

Applicant: DELPHI TECHNOLOGIES HOLDING S.à.r.l. ,  COOKE, Michael ,  GUERRATO, Diego ,  CALONNE, Jerome

Inventor： COOKE, Michael ,  GUERRATO, Diego ,  CALONNE, Jerome

IPC: F02M61/16 ,  F16B37/14 ,  F02M61/14

CPC classification number: F02M61/168 ,  F02M61/14 ,  F02M2200/8076 ,  F16B29/00

Abstract: 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.

Abstract translation: 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。

公开(公告)号：WO2011029649A1

公开(公告)日：2011-03-17

申请号：PCT/EP2010/060442

申请日：2010-07-19

Applicant: Delphi Technologies Holding S.à.r.l. ,  DJEMA, Aissa ,  GARLAND, Paul

Inventor： DJEMA, Aissa ,  GARLAND, Paul

IPC: F04B1/04 ,  F02M59/06 ,  F02M59/10 ,  F02M63/02 ,  F04B9/04 ,  F02M59/46

CPC classification number: F02M59/06 ,  F02M59/102 ,  F02M59/46 ,  F02M59/462 ,  F02M63/027 ,  F04B9/042 ,  F04B9/047

Abstract: A pump assembly for an internal combustion engine comprising a pump housing (40), at least one pumping arrangement having a pumping plunger (56, 58) for pressurising fluid within a pump chamber; a drive shaft (46) carrying a cam (48) and a cam rider (50) which cooperates with the pumping arrangement to drive plunger movement along a plunger axis; and a plate (74; 174; 274; 374) coupled, on one side (74b), to the cam rider (50) and, on its other side (74a), to the housing (40) by coupling means (84, 86, 80, 82; 84, 180; 280, 286; 380, 480). The coupling means is arranged to constrain movement of the plate (74; 174; 274; 374) relative to the housing (40) in a first linear direction and to constrain movement of the cam rider (50) relative to the plate in a second linear direction, and to prevent angular movement of the cam rider (50) about its axis. Wear of the plunger, or of any intermediate component between the cam rider and the plunger, can be reduced as the cam rider is unable to tilt about its axis.

Abstract translation: 一种用于内燃机的泵组件，包括泵壳体（40），至少一个泵送装置，其具有用于对泵室内的流体加压的抽吸柱塞（56,58）; 承载凸轮（48）的驱动轴（46）和与泵送装置配合的凸轮骑手（50），以驱动柱塞沿着柱塞轴线运动; 以及在一侧（74b）上通过联接装置（84,84）与凸轮骑手（50）在其另一侧（74a）上联接到壳体（40）的板（74; 174; 274; 374） 86,80,82; 84,180; 280,286; 380,480）。 联接装置被布置成在第一线性方向上相对于壳体（40）限制板（74; 174; 274; 374）的运动，并且在第二线性方向上约束凸轮骑手（50）相对于板的运动 并且防止凸轮骑手（50）围绕其轴线的角运动。 当凸轮骑手不能围绕其轴线倾斜时，柱塞或凸轮骑乘者和柱塞之间的任何中间部件的磨损可以减小。

公开(公告)号：WO2010133685A1

公开(公告)日：2010-11-25

申请号：PCT/EP2010/057001

申请日：2010-05-20

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L. ,  WRIGHT, Keith ,  COOKE, Michael ,  THOMPSON, Phillip ,  COSTER, Simon ,  OLDFIELD, Nick ,  HARDY, Martin

Inventor： WRIGHT, Keith ,  COOKE, Michael ,  THOMPSON, Phillip ,  COSTER, Simon ,  OLDFIELD, Nick ,  HARDY, Martin

IPC: F01N3/20 ,  F01N13/18 ,  F01N3/36

CPC classification number: F01N3/2066 ,  F01N3/36 ,  F01N13/18 ,  F01N2610/02 ,  F01N2610/14 ,  F01N2610/1433 ,  F01N2610/1453 ,  Y02T10/24

Abstract: 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.

Abstract translation: 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。

公开(公告)号：WO2010122125A2

公开(公告)日：2010-10-28

申请号：PCT/EP2010/055390

申请日：2010-04-22

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L. ,  LECLUSE, Eric ,  ENTERS, Richard ,  BIMBENET, Bruno

Inventor： LECLUSE, Eric ,  ENTERS, Richard ,  BIMBENET, Bruno

IPC: F02M47/02 ,  F02M55/02 ,  F02M55/04 ,  F02M63/02 ,  F02M63/00

CPC classification number: F02M55/005 ,  F02M61/14 ,  F02M61/168 ,  F02M2200/40 ,  Y10T29/49826

Abstract: A fuel injector for an internal combustion engine, the fuel injector comprising: an injector body of substantially elongate form and defining an injector body axis; an injector nozzle disposed at one end of the injector body; and a plurality of element connector means for providing fluid and/or electrical connection into and/or out of the fuel injector wherein at least some of the element connector means are arranged to be rotatable relative to one another about the injector body axis.

Abstract translation: 一种用于内燃机的燃料喷射器，所述燃料喷射器包括：大致细长形式并限定喷射器主体轴线的喷射器主体; 喷射器喷嘴，其设置在所述喷射器主体的一端; 以及多个元件连接器装置，用于向燃料喷射器提供流体和/或电气连接，其中元件连接器装置中的至少一些被布置成围绕喷射器主体轴线相对于彼此旋转。

公开(公告)号：WO2013186051A1

公开(公告)日：2013-12-19

申请号：PCT/EP2013/061054

申请日：2013-05-29

Applicant: DELPHI TECHNOLOGIES HOLDING S.À.R.L.

Inventor： GRAHAM, Mark

IPC: F02M47/02

CPC classification number: F02M63/0014 ,  F02M47/02 ,  F02M63/0015 ,  F02M63/0022 ,  F02M2547/001

Abstract: The present invention relates to a fuel injector (101; 201) for use in delivering fuel to an internal combustion engine. The fuel injector (101; 201) includes a nozzle (105; 205) having a valve needle (107; 207) which is movable with respect to a valve needle seat (117; 217). The valve needle (107; 207) travels through a range of movement between a closed position and an open position to control fuel delivery through at least one nozzle outlet (109). The valve needle (107) cooperates with a needle sleeve (111) or a control member (211) which is located in a piston guide (133). The valve needle (107) is movable relative to the needle sleeve (111) or the control member (211). The needle sleeve (111) or the control member (211) is movable relative to the piston guide (133; 233). The invention also relates to a method of operating a fuel injector (101; 201); and a fuel injector control unit.

Abstract translation: 本发明涉及一种用于向内燃机输送燃料的燃料喷射器（101; 201）。 燃料喷射器（101; 201）包括具有相对于阀针座（117; 217）可移动的阀针（107,207）的喷嘴（105; 205）。 阀针（107; 207）在关闭位置和打开位置之间移动一定范围的运动，以控制通过至少一个喷嘴出口（109）的燃料输送。 阀针（107）与位于活塞引导件（133）中的针套（111）或控制件（211）配合。 阀针（107）能够相对于针套（111）或控制构件（211）移动。 针筒（111）或控制件（211）可相对于活塞导向件（133; 233）移动。 本发明还涉及一种操作燃料喷射器（101; 201）的方法; 和燃料喷射器控制单元。