公开(公告)号：US07540271B2

公开(公告)日：2009-06-02

申请号：US11739867

申请日：2007-04-25

Applicant: Ted E. Stewart ,  James Napier

Inventor： Ted E. Stewart ,  James Napier

IPC: F02M69/04

CPC classification number: F02M57/021 ,  F02M63/0001

Abstract: Disclosed is an apparatus and method for lubricating a plunger residing within a bushing of a fuel injector. The apparatus includes a fuel lubrication mechanism comprised of lubrication grooves formed within and around the outer axial surfaces of the plunger. The grooves act as fuel reservoirs for storing a small portion of fuel on the outer axial surface of the plunger. The stored or retained fuel interfaces with the walls of the bushing during injection to provide a lubricated interface between the bushing and plunger. The lubricated interface increases the service life of the fuel injector by reducing seizing, scoring and scuffing caused by excessive heat.

Abstract translation: 公开了一种用于润滑位于燃料喷射器的衬套内的柱塞的装置和方法。 该装置包括燃料润滑机构，其包括形成在柱塞的外轴向表面内和周围的润滑槽。 凹槽用作用于在柱塞的外轴向表面上存储少部分燃料的燃料储存器。 储存或保留的燃料在注射期间与衬套的壁接触，以在衬套和柱塞之间提供润滑的界面。 润滑的接口通过减少过热引起的咬合，划痕和磨损，增加燃油喷射器的使用寿命。

公开(公告)号：US06755022B2

公开(公告)日：2004-06-29

申请号：US10372929

申请日：2003-02-26

Applicant: Charlie Chang-Won Kim ,  Timothy Andrew Suder ,  Steven Stuart Trevitz ,  Jeffrey Scott Zsoldos

Inventor： Charlie Chang-Won Kim ,  Timothy Andrew Suder ,  Steven Stuart Trevitz ,  Jeffrey Scott Zsoldos

IPC: F02B3710

CPC classification number: F01L1/00 ,  F01L1/08 ,  F01L5/00 ,  F01L5/02 ,  F01L7/00 ,  F01L9/02 ,  F01L9/04 ,  F01L2800/00 ,  F02B1/12 ,  F02B27/04 ,  F02B29/0406 ,  F02B33/44 ,  F02B33/446 ,  F02B37/04 ,  F02B37/18 ,  F02B39/12 ,  F02M26/01 ,  F02M26/04 ,  F02M26/08 ,  F02M57/021 ,  F02M59/366 ,  Y02T10/144 ,  Y02T10/146

Abstract: A turbo-charged internal combustion cylinder assembly includes a combustion chamber, an intake port communicably connected with an intake manifold, and an exhaust port communicably connected with an exhaust manifold. An intake valve is disposed within the intake port, and an exhaust valve is disposed within the exhaust port, the valves facilitating, in an open position, or restricting, in a closed position, gas flow between their respective ports and the combustion chamber. A compressor may be communicably connected to the intake manifold so as to provide pre-combustion gases to, and regulate pressure of the combustion chamber. The exhaust valve may open while the intake valve is closed to exhaust post-combustion gases from the combustion chamber. Alternatively, the exhaust valve may open while the intake valve is open to admit post-combustion gases into the combustion chamber if the combustion chamber pressure is lower than the exhaust port pressure.

Abstract translation: 涡轮增压内燃缸组件包括燃烧室，与进气歧管可通信地连接的进气口和与排气歧管可通信地连接的排气口。 进气门设置在进气口内，并且排气门设置在排气口内，阀门处于打开位置，或者在关闭位置限制其各自的端口和燃烧室之间的气流。 压缩机可以可通信地连接到进气歧管，以便提供预燃气体并调节燃烧室的压力。 当进气门关闭时排气阀可能打开，以排出来自燃烧室的后燃烧气体。 或者，如果燃烧室压力低于排气口压力，则排气门可以打开，而进气门打开以允许后燃烧气体进入燃烧室。

公开(公告)号：US20030159441A1

公开(公告)日：2003-08-28

申请号：US10372929

申请日：2003-02-26

Applicant: Mack Trucks, Inc.

Inventor： Charlie Chang-Won Kim ,  Timothy Andrew Suder ,  Steven Stuart Trevitz ,  Jeffrey Scott Zsoldos

IPC: F02D023/00 ,  F02B033/44

CPC classification number: F01L1/00 ,  F01L1/08 ,  F01L5/00 ,  F01L5/02 ,  F01L7/00 ,  F01L9/02 ,  F01L9/04 ,  F01L2800/00 ,  F02B1/12 ,  F02B27/04 ,  F02B29/0406 ,  F02B33/44 ,  F02B33/446 ,  F02B37/04 ,  F02B37/18 ,  F02B39/12 ,  F02M26/01 ,  F02M26/04 ,  F02M26/08 ,  F02M57/021 ,  F02M59/366 ,  Y02T10/144 ,  Y02T10/146

Abstract: A turbo-charged internal combustion cylinder assembly includes a combustion chamber which may be communicably connected to a compressor via an intake port through an intake manifold and aftercooler so the compressor may provide pre-combustion gases to the combustion chamber when the intake valve is open. An exhaust port communicably connects the combustion chamber to an exhaust manifold. An exhaust valve may open to exhaust post-combustion gases to the exhaust manifold while an intake valve is substantially closed, and the exhaust valve may open to admit post-combustion gases to the combustion chamber while the intake valve is substantially open and an exhaust port pressure in the exhaust port is higher than a combustion chamber pressure in the combustion chamber. A fuel injector may admit fuel to the combustion chamber. A spill valve may control a rate of fuel injection to the combustion chamber, the spill valve having a first position providing a maximum fuel injection rate, a second position providing a substantially zero fuel injection rate, and at least one intermediate position providing an intermediate fuel injection rate between the maximum fuel injection rate and the zero fuel injection rate.

Abstract translation: 涡轮增压内燃缸组件包括燃烧室，其可以经由进气歧管和后冷却器经由进气口可通信地连接到压缩机，使得当进气门打开时，压缩机可向燃烧室提供预燃气体。 排气口将燃烧室可通信地连接到排气歧管。 排气阀可以打开以将后燃烧气体排出到排气歧管，同时进气门基本上关闭，并且排气阀可以打开以允许后燃烧气体进入燃烧室，同时进气门基本上打开，排气口 排气口中的压力高于燃烧室内的燃烧室压力。 燃料喷射器可以将燃料引入燃烧室。 泄漏阀可以控制燃料喷射到燃烧室的速率，溢流阀具有提供最大燃料喷射速率的第一位置，提供基本上零燃料喷射速率的第二位置和提供中间燃料的至少一个中间位置 最大燃料喷射速率和零燃料喷射速率之间的喷射速率。

公开(公告)号：US6116273A

公开(公告)日：2000-09-12

申请号：US849129

申请日：1997-12-08

Applicant: Yul J. Tarr ,  Lester L. Peters ,  Bai Mao Yen ,  Laszlo D. Tikk ,  Ivar L. Johnson ,  Daniel G. Burns ,  Mustahsen Gull ,  Harry L. Wilson ,  George L. Muntean

Inventor： Yul J. Tarr ,  Lester L. Peters ,  Bai Mao Yen ,  Laszlo D. Tikk ,  Ivar L. Johnson ,  Daniel G. Burns ,  Mustahsen Gull ,  Harry L. Wilson ,  George L. Muntean

IPC: F02M57/02 ,  F02M59/20 ,  F02M59/46 ,  F16K15/04

CPC classification number: F02M63/0054 ,  F02M57/02 ,  F02M57/021 ,  F02M57/024 ,  F02M59/205 ,  F02M59/462 ,  F02M59/464

Abstract: Check valves (500) are incorporated into a fuel injector so as to form a controlling orifice in the system between the solenoid vales which direct fuel to the respective injection and timing chambers of the fuel injector and the chambers themselves. The precision fuel metering capability of the valve (500) is determined by an annular clearance created between the plunger (512) of the valve and the valve body (510) when the valve is in its maximum stroke. For achieving a bi-stable operation of the valve, the ratio of the plunger valve seat (510d) area to the maximum plunger valve (512b) area and the spring (514) are key parameters. The check valves (500) are formed as cartridge type check valves that can be calibrated outside of the injector prior to the installation thereof.

Abstract translation: PCT No.PCT / US95 / 15873 Sec。 371 1997年12月8日第 102（e）日期1997年12月8日PCT提交1995年12月6日PCT公布。 公开号WO96 / 18033 日期1996年6月13日检查阀（500）被并入燃料喷射器中，以便在电磁阀之间的系统中形成控制孔，其将燃料引导到燃料喷射器和腔室本身的相应喷射和定时室。 当阀处于其最大行程时，阀（500）的精密燃料计量能力由在阀的柱塞（512）和阀体（510）之间产生的环形间隙确定。 为了实现阀的双稳态操作，柱塞阀座（510d）面积与最大柱塞阀（512b）面积和弹簧（514）的比是关键参数。 止回阀（500）形成为盒式止回阀，其可以在其安装之前在喷射器外部校准。

公开(公告)号：US6069103A

公开(公告)日：2000-05-30

申请号：US933716

申请日：1997-09-19

Applicant: Oh-Hun Kwon

Inventor： Oh-Hun Kwon

IPC: C04B35/486 ,  F02M57/02 ,  F02M59/44 ,  F02M61/16 ,  C04B35/48

CPC classification number: F02M59/445 ,  C04B35/486 ,  F02M57/021 ,  F02M61/166

Abstract: This invention relates to a densified zirconia ceramic partially stabilized by between 3.8 mol % and 4.4 mol % yttria, wherein the ceramic has a flexural strength of at least 900 MPa after immersion in liquid water having a temperature of 250.degree. C. for 48 hours in an autoclave.

Abstract translation: 本发明涉及通过3.8mol％至4.4mol％氧化钇部分稳定的致密化氧化锆陶瓷，其中该陶瓷在浸入温度为250℃的液态水中48小时后的弯曲强度为至少900MPa 高压灭菌器

公开(公告)号：US6029902A

公开(公告)日：2000-02-29

申请号：US48114

申请日：1998-03-26

Applicant: Daniel K. Hickey ,  Daniel K. Vetters ,  Bruce E. Varney ,  Tibor Kiss

Inventor： Daniel K. Hickey ,  Daniel K. Vetters ,  Bruce E. Varney ,  Tibor Kiss

IPC: F02M57/02 ,  F02M47/02

CPC classification number: F02M57/024 ,  F02M57/021

Abstract: An improved unit fuel injector is provided which effectively and precisely controls the timing of fuel injection by avoiding outside influences acting on a timing plunger. The unit fuel injector includes a timing plunger positioned between upper and lower plungers, a timing chamber positioned between the timing plunger and upper plunger and a spring chamber positioned between the timing plunger and a metering chamber for containing one or more springs for biasing the plungers. A spring chamber drain valve device is provided for directing fuel in the spring chamber to a low pressure drain while isolating the spring chamber from the low pressure drain system thereby preventing pressure variations in the drain system from entering the spring chamber and acting on the timing plunger. In addition, a scavenge circuit is provided to direct a scavenging flow of fuel and combustion gas from the injector directly to the low pressure drain without communication with the spring chamber. Consequently, pressure variations in the spring chamber are minimized thereby reducing the variations in biasing force on the timing plunger 38 to permit precise control of the timing fluid metering into the timing chamber by simply varying the timing fluid pressure.

Abstract translation: 提供了一种改进的单元燃料喷射器，其通过避免作用在定时柱塞上的外部影响来有效且精确地控制燃料喷射的定时。 单元燃料喷射器包括定位在上下柱塞之间的定时柱塞，位于定时柱塞和上柱塞之间的定时室和位于定时柱塞和计量室之间的弹簧室，用于容纳用于偏置柱塞的一个或多个弹簧。 弹簧室排放阀装置用于将弹簧室中的燃料引导到低压排放口，同时将弹簧室与低压排放系统隔离，从而防止排水系统中的压力变化进入弹簧室并作用在定时柱塞上 。 此外，提供清扫回路以将来自喷射器的燃料和燃烧气体的清除流直接引导到低压排放口，而不与弹簧室连通。 因此，弹簧室中的压力变化最小化，从而减少定时柱塞38上的偏压力的变化，以允许通过简单地改变定时流体压力来精确地控制进入定时室的定时流体计量。

公开(公告)号：US5894991A

公开(公告)日：1999-04-20

申请号：US916267

申请日：1997-08-22

Applicant: Steven D. Edwards ,  Dan K. Vetters ,  Dan K. Hickey ,  George L. Muntean ,  Ray J. Amlung ,  Jeffrey L. Campbell

Inventor： Steven D. Edwards ,  Dan K. Vetters ,  Dan K. Hickey ,  George L. Muntean ,  Ray J. Amlung ,  Jeffrey L. Campbell

IPC: F02M55/04 ,  F02M57/02 ,  F02M59/32 ,  F02M63/00 ,  F02M45/00 ,  F02M47/02

CPC classification number: F02M57/024 ,  F02M55/04 ,  F02M57/021 ,  F02M59/32 ,  F02M2200/304

Abstract: An improved cam operated, open nozzle, unit injector is disclosed including an injector body formed by a barrel, spring housing, and nozzle and containing a central bore for receiving a variable length plunger assembly mounted for reciprocal movement within the injector body wherein the variable length plunger is formed by an outer plunger and inner plunger combined with a timing plunger, mounted between the inner and outer plungers to form a collapsible timing chamber into which a variable quantity of fuel may be metered and expelled on a cycle by cycle basis to provide a variable effective length to the plunger assembly to cause controlled variation in injection timing based on variation in the timing fluid supplied to the injector and wherein the timing plunger is provided with a radial flange for engaging a stop formed in the injector barrel to hold the timing plunger in a predetermined precise location during metering of timing fluid into the collapsible timing chamber and to render the injector timing insensitive to unpredictable pressure variations. The disclosed injector may include a damping chamber for receiving the radial flange of the plunger to eliminate damaging engagement between the timing plunger and the injector barrel. Improved fuel flow passages, check valves and an improved coupling between the outer plunger and the injector's outer return spring are provided along with means for easily changing the rated injection quantity of the disclosed injector.

Abstract translation: 公开了一种改进的凸轮操作的开口喷嘴单元喷射器，其包括由筒体，弹簧壳体和喷嘴形成的喷射器主体，并且包含用于接收安装成用于在喷射器主体内往复运动的可变长度柱塞组件的中心孔，其中可变长度 活塞由外柱塞和内柱塞组成，内柱塞与定时柱塞组合，安装在内柱塞和外柱塞之间以形成可折叠的定时室，可变量的燃料可以逐周期地计量并排出，以提供一个 可变有效长度到柱塞组件，以根据供应给喷射器的定时流体的变化引起喷射正时的受控变化，并且其中定时柱塞设置有径向凸缘，用于接合形成在喷射器筒中的止动件，以保持定时柱塞 在计量定时流体进入可折叠定时室期间的预定精确位置 呃注射器时间对不可预测的压力变化不敏感。 所公开的喷射器可以包括用于接收柱塞的径向凸缘的阻尼室，以消除定时柱塞和喷射器筒之间的有害接合。 提供了改进的燃料流通道，止回阀以及外部柱塞和喷射器的外部复位弹簧之间的改进的联接以及用于容易地改变所公开的喷射器的额定喷射量的装置。

公开(公告)号：US5845623A

公开(公告)日：1998-12-08

申请号：US899318

申请日：1997-08-13

Applicant: Norman C. Blizard ,  Raymond J. Amlung ,  George L. Muntean ,  Edward D. Smith ,  Mark Pounder ,  Dan K. Vetters

Inventor： Norman C. Blizard ,  Raymond J. Amlung ,  George L. Muntean ,  Edward D. Smith ,  Mark Pounder ,  Dan K. Vetters

IPC: F02M55/00 ,  F02M57/02 ,  F02M59/44 ,  F02M63/02 ,  F02M41/00

CPC classification number: F02M57/021 ,  F02M55/00 ,  F02M55/007 ,  F02M57/024 ,  F02M59/44 ,  F02M63/0225

Abstract: A leak prevention device including an expandable chamber and control valve for preventing fuel leakage into the combustion chambers of a internal combustion engine equipped with a common rail fule injection system including open nozzle injectors and a shut off valve mounted in the common rail upstream of the fuel injectors to isolate, when closed, the fuel injectors from the source of fuel under pressure. The expandable chamber contains a variable volume held in its collapsed condition during engine operation and expanded upon engine shutdown sufficiently to prevent the flow of fuel from any injector into the corresponding combustion chamber. The control valve may be a three way valve for controlling the expansion of the variable volume of the expandable chamber The leak prevention device includes a housing assembly connected with a fuel drain and contains an outlet passage fluidically connected at one end with the variable volume and at the other end with the fuel drain and an outlet check valve for allowing fuel to flow in only one direction from the variable volume into the fuel drain. A control circuit is provided to energize solenoids for operating the shut off valve and control valve.

Abstract translation: 一种防泄漏装置，包括可膨胀室和控制阀，用于防止燃料泄漏到内燃机的燃烧室中，所述内燃机配备有共同轨道注入系统，该共用注入系统包括开放喷嘴注入器和安装在燃料上游的共轨中的截止阀 注射器在关闭时隔离燃料喷射器，从燃料源在压力下。 可膨胀室包含在发动机运行期间保持在其折叠状态的可变容积，并且在发动机关闭时膨胀，足以防止燃料从任何喷射器流入相应的燃烧室。 控制阀可以是用于控制可膨胀室的可变容积的膨胀的三通阀。防漏装置包括与燃油排放器连接的壳体组件，并且包含一端与可变容积流体连接的出口通道，并且在 另一端具有燃料排放口和出口止回阀，用于允许燃料在一个方向上从可变容积流入燃料排放口。 提供一个控制电路来为螺线管通电以操作截止阀和控制阀。

公开(公告)号：US5299738A

公开(公告)日：1994-04-05

申请号：US945390

申请日：1992-09-16

Applicant: David P. Genter ,  Lester L. Peters

Inventor： David P. Genter ,  Lester L. Peters

IPC: F02M57/02 ,  F02M59/30 ,  F02M61/20

CPC classification number: F02M57/023 ,  F02M57/021 ,  F02M57/024 ,  F02M59/30

Abstract: An improved high pressure fuel injector for internal combustion engines of the type having a plunger assembly, with a plurality of plungers, that is mounted within a central bore within the body of the fuel injector for reciprocal movement, the plunger assembly having an upper plunger and a lower plunger mounted for reciprocal motion within the central bore and a variable volume injection chamber in said lower end of the central bore between the injection orifice and a bottom end of the lower plunger. In accordance with a preferred embodiment, the problem of large quantities of air being drawn into the injector from the combustion chamber during the retraction stroke injection stroke is avoided by limiting the return stroke of the lower plunger to a distance that is significantly less than that of the stroke of the upper plunger of the plunger assembly. Furthermore, a cushioned stopping of the return movement of the lower plunger is obtained and the injector is also able to allow different maximum injectable charge capabilities to be produced from the same basic set of components without requiring more than the return spring assembly and injector nozzle to be changed.

Abstract translation: 一种用于内燃机的改进的高压燃料喷射器，其具有柱塞组件，具有多个柱塞，其安装在燃料喷射器主体内的中心孔内以便往复运动，柱塞组件具有上柱塞和 安装在所述中心孔内的往复运动的下柱塞和位于所述喷射孔和所述下柱塞的底端之间的所述中心孔的所述下端中的可变体积喷射室。 根据优选实施例，通过将下柱塞的返回行程限制在明显小于下冲头喷射行程的返回行程的距离，可以避免大量空气在回缩行程喷射行程期间从燃烧室吸入喷射器的问题 柱塞组件的上柱塞的行程。 此外，获得下柱塞的返回运动的缓冲停止，并且喷射器还能够允许从相同的基本组件组件产生不同的最大可注射电荷能力，而不需要多于复位弹簧组件和喷射器喷嘴 改变。

公开(公告)号：US5042445A

公开(公告)日：1991-08-27

申请号：US572212

申请日：1990-08-24

Applicant: Lester L. Peters ,  Julius P. Perr ,  Edward D. Smith

Inventor： Lester L. Peters ,  Julius P. Perr ,  Edward D. Smith

IPC: F02B1/04 ,  F02B3/06 ,  F02D7/00 ,  F02D41/40 ,  F02M57/02

CPC classification number: F02M57/024 ,  F02D41/40 ,  F02D7/002 ,  F02D7/007 ,  F02M57/021 ,  F02B1/04 ,  F02B3/06 ,  F02D2200/0602 ,  F02D2250/31 ,  Y02T10/44

Abstract: An electronically controlled fuel supply system is provided for employing a plurality of fuel injectors which maximize SAC pressures under both low speed and high speed operating conditions and are capable of sustaining SAC pressures in excess of 30,000 psi. The fuel supply system of the present invention includes a gear pump which supplies pressure-modulated fuel to a fueling channel and to a timing channel and from there to a plurality of injectors. Fuel pressure regulator means and timing fluid pressure regulator means are provided in the fueling and timing channel, respectively. An electronic control unit receives information relating to engine operating conditions from a plurality of sensors and actuates the fuel pressure regulator means and the timing fluid pressure regulator means to adjust the pressure as required for the specific engine operating conditions. The timing fluid is delivered to the injectors by the present system at a pressure sufficient to sustain a hydraulic link within the injector of the length necessary to maintain high SAC pressures during injection. Several embodiments of a fuel supply system which achieves these objectives are disclosed. A mounting integral with the cylinder head for an electronically controlled injector fuel supply system is also provided.

Abstract translation: 提供了一种电子控制的燃料供应系统，用于使用多个燃料喷射器，其在低速和高速运行条件下使SAC压力最大化，并且能够承受超过30,000psi的SAC压力。 本发明的燃料供给系统包括齿轮泵，其将加压调节燃料供给到加油通道和定时通道，并且从那里到多个喷射器。 燃料压力调节装置和定时流体压力调节装置分别设置在加油和定时通道中。 电子控制单元从多个传感器接收与发动机操作条件相关的信息，并致动燃料压力调节装置和定时流体压力调节装置，以根据特定的发动机运行条件来调节压力。 正时流体由本系统以足以维持注射器内的液压连杆在注射期间维持高SAC压力所需的长度的压力被输送到喷射器。 公开了实现这些目的的燃料供应系统的几个实施例。 还提供了与用于电子控制的喷射器燃料供应系统的气缸盖一体的安装。