公开(公告)号：US10036334B2

公开(公告)日：2018-07-31

申请号：US15515647

申请日：2015-10-12

申请人： MAN Diesel & Turbo, filial af MAN Diesel & Turbo SE, Tyskland

发明人： Johan Sjöholm ,  Johan Hult

IPC分类号： F02M21/02 ,  F02M43/00 ,  F02M51/00 ,  F02D19/06 ,  F02D19/10 ,  F02M43/04 ,  F02M67/14 ,  F02B37/00

CPC分类号： F02D19/0647 ,  F02B7/06 ,  F02B19/108 ,  F02B25/04 ,  F02B37/00 ,  F02B43/00 ,  F02D19/066 ,  F02D19/0689 ,  F02D19/0692 ,  F02D19/0694 ,  F02D19/105 ,  F02M21/0251 ,  F02M21/0275 ,  F02M43/04 ,  F02M47/046 ,  F02M67/14 ,  F02M2200/16 ,  F02M2200/28 ,  Y02T10/144 ,  Y02T10/32 ,  Y02T10/36

摘要： A fuel valve includes a housing, a nozzle with nozzle holes opening to a volume inside the nozzle at the front end of the housing, a gaseous fuel inlet port in the housing connected to high pressure gaseous fuel, an axially displaceable valve needle received in a longitudinal bore in the housing, and rests on a valve seat in a closed position and has lift from the valve seat in an open position, the valve seat placed between a fuel chamber and an outlet port, the fuel chamber connected to the fuel inlet port, the outlet port connected to the volume in the nozzle, an actuator system for moving the needle between the closed and open positions, an ignition liquid inlet port connected to high pressure ignition liquid, and a conduit connecting the ignition liquid inlet port to the fuel chamber, the conduit including a fixed flow restriction.

公开(公告)号：US10018169B2

公开(公告)日：2018-07-10

申请号：US15313585

申请日：2015-04-13

申请人： Robert Bosch GmbH

发明人： Andreas Koeninger

IPC分类号： F02M61/20

CPC分类号： F02M61/20 ,  F02M61/205 ,  F02M2200/28

摘要： A nozzle assembly for a fuel injector includes a nozzle needle (1), which is accommodated in a high-pressure bore (2) of a nozzle body (3) in such a way that the nozzle needle can be moved in a reciprocating manner in order to open and close at least one injection opening (4) and to which a spring force of a spring (5) is applied at least indirectly in a closing direction. The nozzle needle (1) is at least partially surrounded by a throttle bore body (7) in order to form at least one closing throttle (6). The throttle bore body (7) has a multi-part design and comprises at least two sleeves (7.1, 7.2), which are at least partially guided in each other.

公开(公告)号：US09523437B2

公开(公告)日：2016-12-20

申请号：US14004216

申请日：2012-03-08

申请人： Ronald Pott ,  Gerhardt Ohlendorf ,  Stefan Solterbeck ,  Hergen Ruetemann ,  Armin Beck ,  Wolfram Maiwald ,  Gerhard Theissl ,  Emil Lambauerl

发明人： Ronald Pott ,  Gerhardt Ohlendorf ,  Stefan Solterbeck ,  Hergen Ruetemann ,  Armin Beck ,  Wolfram Maiwald ,  Gerhard Theissl ,  Emil Lambauerl

IPC分类号： F16K31/04 ,  F16K31/06 ,  H01F7/16 ,  F02M63/00 ,  F02M63/02 ,  H02K33/02

CPC分类号： F16K31/04 ,  F02M63/0015 ,  F02M63/0036 ,  F02M63/0043 ,  F02M63/0052 ,  F02M63/025 ,  F02M2200/28 ,  F02M2200/304 ,  F16K31/0665 ,  F16K31/0693 ,  H01F7/1638 ,  H02K33/02

摘要： The invention is an electromagnetic actuator with a magnet coil arranged in a housing and with an armature plate, which is movable by energization of the magnet coil in an armature plate space in the direction of a front end of the housing and which is connected to an armature plunger, which at one end is guided through the housing and protrudes into a control space; according to the invention the armature plate is formed with at least one axial pressure compensation bore so as to produce pressure compensation between the armature plate space and the control space, and the housing has at least one bearing with at least one axial groove, in which the armature plunger is mounted movably.

摘要翻译： 本发明是一种电磁致动器，其具有布置在壳体中的电磁线圈和电枢板，电枢板可通过在电枢板空间中沿着壳体前端的方向通电电磁线圈而移动， 电枢柱塞，其一端被引导通过壳体并突出到控制空间中; 根据本发明，电枢板形成有至少一个轴向压力补偿孔，以在电枢板空间和控制空间之间产生压力补偿，并且壳体具有至少一个具有至少一个轴向槽的轴承，其中 电枢柱塞可移动地安装。

公开(公告)号：US20160010609A1

公开(公告)日：2016-01-14

申请号：US14767653

申请日：2014-02-19

申请人： Ganser-Hydromag AG

发明人： Marco GANSER

IPC分类号： F02M61/04 ,  F02M67/10

CPC分类号： F02M61/04 ,  F02M47/027 ,  F02M55/005 ,  F02M55/008 ,  F02M61/165 ,  F02M67/10 ,  F02M2200/28 ,  F02M2200/40

摘要： The housing (18) of the fuel injection valve (10) of the device for intermittently injecting fuel into the combustion chamber of an internal combustion engine comprises a high-pressure inlet (34) with a conical sealing face (44). The high-pressure chamber (36) is disposed in the housing (18) from the high-pressure inlet (34). A cartridge-like, independent component (56) is inserted into the high-pressure chamber (36). Said component comprises the valve carrier (46), the non-return valve (48), the holding element (50), and preferably the filter body (52′). The valve carrier (46) is provided with a conical outer sealing face (69), by which the valve carrier rests against the conical sealing face (44). A fixing element (74) presses the supply line (16) against the valve carrier (46).

摘要翻译： 用于将燃料间歇地喷射到内燃机的燃烧室中的燃料喷射阀（10）的壳体（18）包括具有锥形密封面（44）的高压入口（34）。 高压室（36）从高压入口（34）设置在壳体（18）中。 筒状独立部件（56）插入高压室（36）中。 所述部件包括阀载体（46），止回阀（48），保持元件（50），优选地为过滤器主体（52'）。 阀载体（46）设置有锥形外密封面（69），阀托架抵靠锥形密封面（44）。 固定元件（74）将供给管线（16）压靠在阀载体（46）上。

公开(公告)号：US09169815B2

公开(公告)日：2015-10-27

申请号：US12743056

申请日：2008-11-14

申请人： Tatsuhiko Akita ,  Mitsuto Sakai

发明人： Tatsuhiko Akita ,  Mitsuto Sakai

IPC分类号： F02M37/00 ,  F02M59/46 ,  F02M63/02 ,  F02M55/00 ,  F02M55/02

CPC分类号： F02M59/462 ,  F02M37/0052 ,  F02M37/0058 ,  F02M55/002 ,  F02M55/007 ,  F02M55/02 ,  F02M63/0225 ,  F02M63/0245 ,  F02M2200/18 ,  F02M2200/28

摘要： A discharge valve (30) is provided in a high-pressure fuel passage (31) to allow fuel to pass through the discharge valve (30) only in a direction from a high-pressure fuel pump (20) toward a delivery pipe (50). A communication passage (41) with an orifice (42) is formed integrally with the discharge valve (30) in parallel with the discharge valve (30) to connect areas upstream and downstream of the discharge valve (30). When a fuel pressure in the delivery pipe (50) is increased to a target pressure using the high-pressure fuel pump (20), an amount of the fuel, which does not interfere with an increase in the fuel pressure, flows through the orifice (42). A check valve (40) is provided in the communication passage (41), and opened to allow the fuel to pass through the check valve (40) only in the direction from the delivery pipe (50) toward the high-pressure fuel pump (20), when the fuel pressure is higher than a first predetermined pressure.

摘要翻译： 排气阀（30）设置在高压燃料通路（31）中，以使得燃料仅在从高压燃料泵（20）朝向输送管（50）的方向通过排出阀（30） ）。 具有孔口（42）的连通通道（41）与排放阀（30）一体地与排放阀（30）平行地形成，以连接排出阀（30）上游和下游的区域。 当使用高压燃料泵（20）将输送管（50）中的燃料压力增加到目标压力时，不妨碍燃料压力增加的燃料的量流过孔口 （42）。 止回阀（40）设置在连通通道（41）中，并且打开以允许燃料仅在从输送管（50）朝向高压燃料泵的方向通过止回阀（40） 20），当燃料压力高于第一预定压力时。

公开(公告)号：US20140252109A1

公开(公告)日：2014-09-11

申请号：US13792622

申请日：2013-03-11

申请人： Stanadyne Corporation

发明人： Mark S. CAVANAGH

IPC分类号： F02M61/18

CPC分类号： F02M63/0056 ,  F02M47/027 ,  F02M61/10 ,  F02M61/12 ,  F02M63/0005 ,  F02M2200/04 ,  F02M2200/28

摘要： A needle type fuel injector has a needle control chamber at a pressure subject to a control valve in a control valve chamber which in an opening phase is lifted from its seat to expose the control valve chamber, connecting passage, and needle control chamber to a low pressure drain and in a closing phase is urged against the seat to isolate the control valve chamber, connecting passage, and needle control chamber from the drain. The potential for cavitation at high fuel injection pressure is reduced by throttling the flow of fuel past the control valve seat when the control valve opens, thereby maintaining sufficient back pressure in the control valve chamber and upstream connecting passages.

摘要翻译： 针式燃料喷射器具有在控制阀室内受到控制阀的压力的针控制室，在控制阀室中，打开阶段从其座椅抬起以将控制阀室，连接通道和针控制室暴露于低位 压力排放并且在关闭阶段被推靠在座上以将控制阀室，连接通道和针控制室与排水管隔离开来。 当控制阀打开时，通过节流燃油经过控制阀座的流量来减少在高燃料喷射压力下的气蚀的可能性，从而在控制阀室和上游连接通道中保持足够的背压。

公开(公告)号：US20140158797A1

公开(公告)日：2014-06-12

申请号：US13708963

申请日：2012-12-08

申请人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

发明人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

IPC分类号： F02M63/00

CPC分类号： F02M63/0031 ,  F02M47/027 ,  F02M63/004 ,  F02M63/0042 ,  F02M63/007 ,  F02M63/008 ,  F02M2200/16 ,  F02M2200/27 ,  F02M2200/28 ,  F02M2547/003

摘要： A fuel injector has an injector body and a control rod, which is movable in the injector body along an axis to control the opening/closing of a nozzle that injects fuel into a cylinder of the engine; the injector body houses a metering servovalve having a control chamber, which is axially delimited by the control rod and communicates with an inlet and with a discharge channel; the metering servovalve is provided with a shutter, which slides axially on an axial guide, from which the discharge channel exits, to open and close the discharge channel and, in consequence, vary the pressure in the control chamber; the discharge channel has three restrictions having calibrated passage sections and arranged in series with each other to divide the pressure drop along the discharge channel.

摘要翻译： 燃料喷射器具有喷射器主体和控制杆，其可以沿着轴线在喷射器主体中移动，以控制将燃料喷射到发动机气缸中的喷嘴的打开/关闭; 注射器主体容纳具有控制室的计量伺服阀，该控制室由控制杆轴向限定并与入口和排放通道连通; 计量伺服阀设有挡板，其在轴向引导件上轴向滑动，排放通道从该导向器滑出，以打开和关闭排放通道，并因此改变控制室中的压力; 排出通道具有三个限制，具有校准的通道部分并且彼此串联布置以沿着排出通道分开压降。

公开(公告)号：US08640675B2

公开(公告)日：2014-02-04

申请号：US12491656

申请日：2009-06-25

申请人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

发明人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

IPC分类号： B05B1/30 ,  F02M45/10 ,  F02M51/00 ,  B05B1/34

CPC分类号： F02M47/027 ,  F02M63/004 ,  F02M63/0042 ,  F02M63/007 ,  F02M63/008 ,  F02M2200/16 ,  F02M2200/28 ,  F02M2547/003

摘要： A fuel injector has an injector body and a control rod, which is movable in the injector body along an axis for controlling opening/closing of a nozzle that injects fuel in an engine cylinder; the injector body houses a metering servovalve, provided with a control chamber and with an open/close element of a balanced type, axial sliding of which causes a variation in pressure in the control chamber; the metering servovalve comprises a valve body made of two pieces coaxially coupled to one another via a deformable ring, which defines also a gasket for guaranteeing fluid tightness between the two pieces and maintains in a fixed position a disk on which a calibrated restriction is made.

摘要翻译： 燃料喷射器具有喷射器主体和控制杆，该喷射器主体和控制杆可沿喷射器主体沿轴线移动，用于控制在发动机气缸中喷射燃料的喷嘴的打开/关闭; 注射器主体容纳计量伺服阀，其具有控制室和平衡型开/关元件，其轴向滑动导致控制室中的压力变化; 计量伺服阀包括由两个通过可变形环同轴联接的两个阀体构成的阀体，该可变形环还限定了用于保证两个部件之间的流体密封性的垫圈，并且在固定位置上保持在其上进行了校准限制的盘。

公开(公告)号：US20130284275A1

公开(公告)日：2013-10-31

申请号：US13976167

申请日：2011-11-16

申请人： Kenneth L. Smith ,  Richard A. Judge

发明人： Kenneth L. Smith ,  Richard A. Judge

IPC分类号： F02D41/30

CPC分类号： F02D41/30 ,  F02D41/3845 ,  F02D2041/227 ,  F02M59/34 ,  F02M59/366 ,  F02M63/0017 ,  F02M63/004 ,  F02M63/0043 ,  F02M63/0056 ,  F02M63/0215 ,  F02M2200/18 ,  F02M2200/28 ,  Y10T137/0396 ,  Y10T137/86027

摘要： A valve assembly suitable for use as an inlet metering valve of a fuel injection system comprises an inlet opening, an outlet aperture, and a valve element arranged to control fluid flow between the inlet opening and the outlet aperture. The valve element is moveable in response to an applied control signal to a closed position and to a fully-open position, and is biased to return to a rest position when the control signal is absent. When the valve element is in the rest position, fluid flow between the inlet opening and the outlet aperture is permitted at a relatively low rate. When the valve element is in the closed position, fluid flow between the inlet opening and the outlet aperture is substantially prevented. When the valve element is in the fully-open position, fluid flow between the inlet opening and the outlet aperture is permitted at a relatively high rate.

摘要翻译： 适合用作燃料喷射系统的入口计量阀的阀组件包括入口开口，出口孔和被布置成控制入口开口和出口孔之间的流体流动的阀元件。 阀元件可以响应于施加的控制信号而运动到关闭位置和完全打开位置，并且当控制信号不存在时被偏置回到静止位置。 当阀元件处于静止位置时，入口开口和出口孔之间的流体允许以相对低的速率流动。 当阀元件处于关闭位置时，基本上防止了入口和出口孔之间的流体流动。 当阀元件处于完全打开位置时，入口开口和出口孔之间的流体允许以相对高的速率流动。

公开(公告)号：US20130126636A1

公开(公告)日：2013-05-23

申请号：US13505662

申请日：2010-11-03

申请人： Axel Burkhardt ,  Robert Kuchler ,  Joachim Wagner ,  Roland Wild

发明人： Axel Burkhardt ,  Robert Kuchler ,  Joachim Wagner ,  Roland Wild

IPC分类号： F02M47/02

CPC分类号： F02M47/02 ,  F02M47/027 ,  F02M61/167 ,  F02M63/0026 ,  F02M2200/03 ,  F02M2200/16 ,  F02M2200/28 ,  F02M2200/315

摘要： An injection valve may comprise: an injector component having an injector body comprising a recess of the injector body extending in the direction of a longitudinal axis that can be hydraulically coupled to a high-pressure circuit of a fluid, and a nozzle needle axially displaceably disposed in the recess of the injector body, designed for preventing fluid flow through at least one injection opening in a closed position, and otherwise for releasing the fluid flow; an actuator unit disposed in a recess of the injector body and comprising an actuator housing in which an actuator element is disposed, and the actuator housing comprises an end face at an axial end facing the injection opening, said end face being mechanically coupled to a stage implemented in the injector body; and a ring element disposed axially between the end face and the stage. At least two radial through passages are disposed opposite each other in the ring element, designed for hydraulically coupling between a ring interior disposed within the ring element and a ring exterior disposed outside of the ring element.

摘要翻译： 注射阀可以包括：注射器部件，其具有喷射器主体，该喷射器主体包括喷射器本体的沿着纵向轴线的方向延伸的凹部，所述纵向轴线可液压地联接到流体的高压回路;以及喷嘴针， 在喷射器主体的凹部中，设计成用于防止流体流过处于关闭位置的至少一个喷射开口，而另外用于释放流体流动; 致动器单元，其设置在所述喷射器主体的凹部中并且包括致动器壳体，致动器元件设置在所述致动器壳体中，并且所述致动器壳体包括在面向所述喷射开口的轴向端处的端面，所述端面机械地联接到台 在喷油器体内实施; 以及环形元件，其轴向设置在端面与台之间。 至少两个径向通过通道在环形元件中相对设置，设计用于在设置在环形元件内的环形内部和设置在环形元件外侧的环形外部之间的液压连接。