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    • 1. 发明公开
    • 수압식 펌프, 특히 연료 펌프
    • 液压泵,特别是燃油泵
    • KR1020120100804A
    • 2012-09-12
    • KR1020120021829
    • 2012-03-02
    • 오엠티 오피신 메카니체 토리노 에스.피.에이.
    • 네그리,클라우디오
    • F02M59/10F02M59/46F02M59/44
    • F02M59/462F02M59/365F02M63/0029F04B49/08F04B49/22F04B49/246F04B2201/06012F04B2205/05F04B2205/06F02M59/10F02M55/00F02M59/44F02M59/46
    • 수압식펌프(HP; 1), 상기수압식펌프는연료펌프로사용되고, -흡입포트(IP; 2),-유저(U; CR)에서수압식연결을위해배열된송출포트(DP; 4),-내부에서대응하는피스톤(P; P1, P2, P3)이이동가능한하나이상의실린더(CY; 20, 22, 24) - 상기피스톤은펌프(HP; 1)가작동중에하사점(BDC)과상사점(TDC) 사이에서왕복운동을함 - ,-폐쇄된위치와개방위치사이에서이동가능하고수압식으로연결된각각의실린더(CY; 20, 22, 24)용송출밸브(DV; 26, 28, 30) - 상기개방위치에서상기송출밸브(DV; 26, 28, 30)는상기실린더(CY; 20, 22, 24)와상기송출포트(DP; 4) 사이에서유체를유동시키기위해배열되고, 상기폐쇄된위치에서송출밸브(DV; 26, 28, 30)는상기실린더(CY; 20, 22, 24)와상기송출포트(DP; 4) 사이에서유체의유동을차단하기위해배열됨 - 를포함한다.펌프(HP; 1)는상기송출포트(DP; 4)에수압식으로연결된유저(U, CR) 내에서임계압력(p)을초과할때, 상기송출포트(DP; 4)로부터실린더(20, 22, 24)로유체를역류시킬수 있으며상기상사점(TDC)으로부터상기하사점(BDC)으로상기피스톤의움직임의일부동안에상기송출밸브(DV; 26, 28, 30)를상기개방위치에유지시키도록배열된조절조립체(R; 39, 40, 42, 43, 44, 46)를포함한다.
    • 目的:提供液压燃油泵以转移最大量的流体,并使过量的流体流回到气缸而不降低能量效率。 构成:液压燃料泵(1)包括吸入口,输送口和一个或多个气缸。 在泵运行时,活塞在下死点(BDC)和上止点(TDC)之间往复运动。 当液体的压力超过晶间压力时,泵使流体流回到气缸。 当活塞往复运动时,控制组件将输送阀保持在打开位置。
    • 2. 发明公开
    • Electronic control fuel injection valve
    • 电子控制燃油喷射阀
    • KR20120074539A
    • 2012-07-06
    • KR20100136406
    • 2010-12-28
    • HYUN DAI HEAVY IND CO LTD
    • KIM DONG HUNPARK TAE HYUNG
    • F02M61/10F02M51/06F02M61/16F02M61/18
    • F02M61/10F02M47/027F02M51/06F02M61/16F02M63/0005F02M63/0007F02M63/0029
    • PURPOSE: An electronic control fuel injection valve is provided to prevent high pressure from becoming applied to a nozzle unit because fuels are not supplied to the nozzle unit when the fuels are not injected. CONSTITUTION: An electronic control fuel injection valve(100) comprises a valve body(200), a nozzle unit(500), an injection control unit(300), a nozzle pressing unit(400), upper and lower pressure chambers, a cutoff pressure chamber(232), and a control needle(240). The nozzle chamber of the nozzle unit is filled with fuels supplied through a first flow path(220), and a needle is pressed and lifted upward so that the fuel are injected. The injection control unit controls the injection of the fuels passing through the nozzle unit. The nozzle pressing unit applies power to the needle of the nozzle unit in a downward direction. The upper pressure chamber is filled with the fuels injected through a fuel supply hole(210), and forms the pressure for moving the injection control unit downward. The lower pressure chamber forms the pressure for lifting the injection control unit. The cutoff pressure chamber is filled with the fuels passing through the first flow path, and forms the pressure for lifting the injection control unit. The control needle control the flow rate of the fuels supplied to the lower pressure chamber by opening and closing a second flow path(221).
    • 目的:提供一种电子控制燃料喷射阀,以防止高压不被施加到喷嘴单元,因为当燃料不被喷射时燃料不被供应到喷嘴单元。 构成:电子控制燃料喷射阀(100)包括阀体(200),喷嘴单元(500),喷射控制单元(300),喷嘴按压单元(400),上压力室和下压室,截止阀 压力室(232)和控制针(240)。 喷嘴单元的喷嘴室填充有通过第一流路(220)供应的燃料,并且针被向上压并提升以使燃料被喷射。 喷射控制单元控制通过喷嘴单元的燃料的喷射。 喷嘴按压单元沿着向下的方向对喷嘴单元的针施加电力。 上压室充满通过燃料供给孔(210)喷射的燃料,并且形成用于向下移动喷射控制单元的压力。 低压室形成用于提升喷射控制单元的压力。 截止压力室充满通过第一流路的燃料,并形成用于提升喷射控制单元的压力。 控制针通过打开和关闭第二流路(221)来控制供给到低压室的燃料的流量。
    • 3. 发明公开
    • 연료분사기
    • 喷油器
    • KR1020130109531A
    • 2013-10-08
    • KR1020120031311
    • 2012-03-27
    • 주식회사 로보멕
    • 노태성이경돈
    • F02M61/18F02M61/10F02M61/16F02M51/06
    • F02M59/105F02M47/027F02M63/0029F02M63/0049
    • PURPOSE: A fuel injector is provided to improve the property of gas being discharged from a diesel engine. CONSTITUTION: A fuel injector comprises a needle valve tool (200), a needle valve actuator (230), a booster (300), a pilot valve (400), and a solenoid valve (500). The needle valve tool comprises a needle valve (252) installed near a nozzle unit (250) and a combustion chamber (254). The needle valve actuator comprises a piston (210) with a spring (240). The booster comprises first, second, and third chambers (310, 320, 330) at upper, middle, and lower parts around a piston (350), and has a piston without a spring. The pilot valve is operated by pressure difference between supply fuel and solenoid valve. The pilot valve comprises a spool (475) and a spacer (485) on the spool. The solenoid valve controls the pressure applied to the fuel in order to operate the pilot valve or needle valve actuator. An orifice (550) is installed at one side of the solenoid valve.
    • 目的:提供燃油喷射器以改善从柴油发动机排放的气体的性能。 构成:燃料喷射器包括针阀工具(200),针阀致动器(230),增压器(300),先导阀(400)和电磁阀(500)。 针阀工具包括安装在喷嘴单元(250)和燃烧室(254)附近的针阀(252)。 针阀致动器包括具有弹簧(240)的活塞(210)。 增压器包括在活塞(350)周围的上部,中部和下部的第一,第二和第三腔室(310,320,330),并且具有没有弹簧的活塞。 先导阀由供油和电磁阀之间的压力差运行。 先导阀包括在阀芯上的阀芯(475)和间隔件(485)。 电磁阀控制施加到燃料的压力,以便操作先导阀或针阀致动器。 孔(550)安装在电磁阀的一侧。
    • 5. 发明公开
    • 연소엔진용 연료 분사 밸브
    • 内燃机用燃油喷射阀
    • KR1020170056638A
    • 2017-05-23
    • KR1020177010121
    • 2015-08-24
    • 갠서 씨알에스 아게
    • 갠서,마르코
    • F02M63/00F02M47/02
    • F02M63/0029F02M47/027F02M63/0005F02M63/0035F02M2200/07F02M2200/40F02M2547/001
    • 연료분사밸브 (10)는버섯모양의중간밸브부재 (78)가있는중간밸브를포함한다. 상기중간밸브부제 (78)의줄기부 (76)는중간부분 (66)의가이드통로 (74)에미끄럼끼움결합되어안내된다. 환형의공간 (120)은상기중간밸브부재 (78)의상기줄기부 (76) 및상기머리부 (80)와상기중간부분 (66) 사이에서정해지며, 고압연료공급장치 (86)는내부환형의공간 (108) 및환형의갭 공간 (118)에의해형성되는환형의공간으로개방된다. 상기환형의갭 공간 (118)은상기머리부 (80)와상기중간부분 (66) 사이에서정해지며, 또한밀봉비드 (112)에의해반경방향의외측으로정해진다. 상기중간밸브부재 (78)와상기중간부분 (66) 사이의접착력은상기분사밸브부재 (56)의개방운동에대하여작동하고, 최소화된다.
    • 燃料喷射阀10包括具有蘑菇形中间阀构件78的中间阀。 中间阀构件78的杆部76可滑动地与中间部66的引导通道74接合并被引导。 环形空间120限定在中间中间阀构件78的上轨道部分76与头部80和中间部分66之间。高压燃料供应装置86具有内部环形空间 对由环形间隙空间108形成的环形空间是敞开的, 环形间隙空间118限定在头部80与中间部分66之间,并且也由密封凸缘112径向向外限定。 中间阀构件78和中间部分66之间的粘附力作用于喷射阀构件56的打开运动并且被最小化。
    • 7. 发明公开
    • 가변 유량 제어 장치
    • 流量变化控制器装置
    • KR1020120072519A
    • 2012-07-04
    • KR1020100134300
    • 2010-12-24
    • 두산인프라코어 주식회사
    • 여명구이상우
    • F15B13/043F15B13/02G05D7/03F02M63/00
    • G05D7/03F15B13/0433F02M63/0029F15B13/022F15B13/043
    • PURPOSE: A variable flow control device is provided to simply design reduction of flow controlled by auxiliary pilot voltage with simple configuration and to enhance dynamic characteristic by applying a simple structure using a single poppet. CONSTITUTION: A variable flow control device comprises a direction reversing valve, a parallel path(120), a poppet(130), and a flow control valve(140). The direction reversing valve is arranged between a pump and a predetermined working machine to control the start, stop, and direction reversal of the working machine by reversing a spool when pilot signal pressure applies. Working fluid is supplied into a housing(112) of the direction reversing valve through the parallel path. The poppet opens and closes the parallel path. The flow control valve controls opening and closing degree of the poppet when auxiliary pilot signal pressure applies The flow control valve comprises a body(142) sealed and coupled to the top of the housing where the poppet is formed.
    • 目的:提供可变流量控制装置,简单地简化设计,减少由辅助先导电压控制的流量,并通过使用单个提升阀应用简单的结构来增强动态特性。 构成:可变流量控制装置包括方向换向阀,平行路径(120),提升阀(130)和流量控制阀(140)。 方向换向阀设置在泵和预定的工作机之间,以便在施加导频信号压力时通过反转阀芯来控制作业机器的启动,停止和方向反转。 工作流体通过平行路径供给到方向换向阀的壳体(112)中。 提升板打开并关闭并行路径。 当控制辅助导频信号压力时,流量控制阀控制提升阀的开启和关闭程度。流量控制阀包括密封并联接到壳体的顶部的主体(142),其中形成提升阀。
    • 8. 发明公开
    • 내연기관용 연료 분사 장치
    • 内燃机的燃油喷射装置
    • KR1020000069080A
    • 2000-11-25
    • KR1019997004522
    • 1998-04-03
    • 로베르트 보쉬 게엠베하
    • 보에킹프리드리히
    • F02M63/00
    • F02M63/0029F02D41/2096F02M45/04F02M63/0005F02M63/0007F02M2200/703
    • 연료분사밸브(1)가압력견부(16)에작용하는압력공간(9)의압력에의해개폐동작이제어되는, 내연기관용연료분사장치가개시되어있다. 압력공간(9)에의압력공급은제어밸브부재(23)에의해제어되고이 부재는다시작동공간(31)의압력에의해동작된다. 압력공간(31)의압력은폐쇄체(56)를가진예비제어밸브(55)에의해제어되고이 폐쇄체는압전구동부재(73)의작용하에제 2 밸브시트(64)로부터제 1 밸브시트(60)로이동되고그때작동공간(31)의배압유로(50)은단시간적으로개방된다. 제어밸브부재(23)는개방되고그 결과고압연료가분사를위해압력공간(9)에공급된다. 이때의예비분사량은대단히적다. 주분사과정을실시하기위해서는폐쇄체(56)는밸브시트(64, 60) 사이의중간위치에위치하기때문에연료고압공급부에서압력공간(9)까지의장시간의연결이형성된다.
    • 并且通过作用在燃料喷射阀(1)的压力台肩(16)上的压力空间(9)的压力来控制打开和关闭操作。 通过控制阀构件23控制向压力空间9的压力供应,并且该构件再次通过工作空间31的压力操作。 压力空间31内的压力由具有在压电驱动构件73的作用下从第二阀座64移动到第一阀座64的关闭体56的预备控制阀55控制 然后,操作空间31的背压通道50短时间打开。 控制阀构件23打开并且因此高压燃料被供应到用于喷射的压力空间9。 此时,预注射量非常小。 为了执行主喷射过程,由于关闭体56位于阀座64和60之间的中间位置,所以形成从燃料高压供应部到压力空间9的长时间连接。
    • 9. 发明公开
    • 연료 분사기의 제어 밸브 장치
    • KR20180067689A
    • 2018-06-20
    • KR20187014803
    • 2016-10-18
    • DELPHI TECH IP LIMITED
    • COOKE MICHAEL PETER
    • F02M63/00F02M47/02
    • F02M47/027F02M63/0029F02M63/0045F02M2547/001
    • 연료분사기의제어밸브장치(24)는사용시에가압된연료가충전구멍(106)을매개로유입되는충전챔버(56)를구비한밸브본체(44)를포함한다. 충전밸브는사용시제1 제어챔버(40)를가압된연료로충전하는것을제어하는제1 유체연통부(82)를개방또는폐쇄하기위해상기충전챔버(56)에배치되며, 상기충전밸브는밸브축(X2)을따라이동하는충전밸브부재(38)를갖추고, 상기충전밸브부재(38)는가동밸브시트(88)가구비된헤드(86)와, 상기밸브본체(44)에제공된안내구멍(64)에서미끄럼이동가능하게안내되는스템(84)을가지며, 상기충전밸브부재(38)는통상제1 스프링(94)에의해편향되어개방된다. 상기제어밸브장치(24)는사용시에상기제1 제어챔버(40)를비우는것을제어하는제2 유체연통부(108)를개방또는폐쇄하기위해액츄에이터(20)와상호작용하는제어밸브부재(36)를갖춘제어밸브를더 구비하고, 상기제어밸브부재(36)는통상제2 스프링에의해편향되어폐쇄된다. 또한, 시트플러그(70)는상기충전챔버(56)를폐쇄하기위해상기밸브본체(44)에배치되고, 상기시트플러그(70)는상기가동밸브시트(88)와상호작용하도록된 고정밸브시트(80)가구비된개구부(79)를구비하며, 상기개구부(79)는상기충전챔버(56)와상기제1 제어챔버(40) 사이에제1 유체연통부(82)를형성한다.