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    • 1. 发明申请
    • TWO-PHASE FUEL INJECTION VALVE FOR DIESEL ENGINE AND GAS ENGINE INCLUDING NOZZLE HAVING PUMPING FUNCTION
    • 柴油发动机和燃气发动机的两相燃油喷射阀,包括具有抽油功能的喷嘴
    • US20130139790A1
    • 2013-06-06
    • US13806547
    • 2010-10-28
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKwang-Cheol HeoJong-Suk KimEun Ha
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKwang-Cheol HeoJong-Suk KimEun Ha
    • F02M59/00
    • F02M59/00F02D19/061F02D19/0642F02D19/0689F02D19/0694F02D19/081F02M43/04F02M45/086F02M61/10F02M2200/44Y02T10/36
    • The present invention relates to a dual fuel injection valve having a pumping nozzle for a diesel engine and a gas engine, and an objective of the present invention is to provide a fuel injection valve in which, by using two kinds of fuel entering into a fuel valve, a warming up and injection of pilot fuel may be performed in an initial injection and injection of main fuel may be performed subsequently such that subsequent dual fuel is used for combustion, thereby increasing fuel injection performance.In a fuel injection valve for a diesel engine or a gas engine for injecting fuel to a cylinder, provided is a dual fuel injection valve having a pumping nozzle for the diesel engine and the gas engine including: the dual fuel injection valve including a fuel valve block (110) in which a fuel passage to which first and secondary fuel is introduced through a high pressure pipe is formed inside thereof, the first and secondary fuel being the same fuel system or different fuel systems; a cylinder/needle valve (506) which moves upward by a pressure difference of the secondary fuel introduced through the fuel passage formed in the fuel valve block (110) to inject the primary fuel to a pilot nozzle hole; and a main needle valve (143) which, after injecting the primary fuel by pressing the cylinder/needle valve (506), moves upward by the pressure difference of the secondary fuel introduced through a connected fuel passage to inject the primary fuel to a main nozzle hole (161).
    • 本发明涉及一种具有用于柴油发动机和燃气发动机的泵喷嘴的双燃料喷射阀,本发明的目的是提供一种燃料喷射阀,其中通过使用进入燃料的两种燃料 可以在初始喷射中执行先导燃料的预热和喷射,然后可以随后执行主燃料的喷射,使得后续的双重燃料用于燃烧,从而增加燃料喷射性能。 在用于柴油发动机的燃料喷射阀或用于将燃料喷射到气缸的燃气发动机中,提供了一种双燃料喷射阀,其具有用于柴油发动机和燃气发动机的泵喷嘴,所述双燃料喷射阀包括:双燃料喷射阀,包括燃料阀 其中在其内部形成有通过高压管引入第一和第二燃料的燃料通道的第一和第二燃料是相同的燃料系统或不同的燃料系统; 气缸/针阀(506),其通过形成在燃料阀块(110)中的燃料通道引入的二次燃料的压差向上移动,以将主燃料喷射到先导喷嘴孔; 和主针阀(143),其通过按压气缸/针阀(506)而喷射一次燃料后,通过经连接的燃料通路引入的二次燃料的压差向上移动,将主燃料喷射到主体 喷嘴孔(161)。
    • 4. 发明授权
    • Two solenoid valve relay two-stage fuel injection valve for diesel engines
    • 两个电磁阀继电器两级燃油喷射阀用于柴油发动机
    • US08973554B2
    • 2015-03-10
    • US13642276
    • 2010-10-26
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKang-Yun JungKwang-Cheol HeoJong-Suk KimJung-Hyun ParkEun HaBeom-Yong No
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKang-Yun JungKwang-Cheol HeoJong-Suk KimJung-Hyun ParkEun HaBeom-Yong No
    • F02M45/08F02M47/02F02M61/18F02M45/00
    • F02M45/086F02M47/027F02M61/182F02M2200/46
    • The present invention provides a two solenoid valve relay with a two-phase fuel injection valve for a diesel engine, which is installed on a valve itself to enable injection at pressure greater than opening pressure, at which the fuel enters into a fuel valve, thereby improving fuel injection performance, and which is configured to enable adjustment of an injection timing at the opening pressure within the valve, wherein injection timings through a solenoid valve is provided for low load and high load, respectively, such that a distinct difference exists between the injection timings to open the nozzle hole of the nozzle in a differential manner at pressure higher than the pressure, at which the fuel enters to the fuel valve and internal spring opening pressure, thereby injecting fuel at high pressure even at low load to facilitate vaporization, and wherein, in case of a high speed operation or high load, low pressure/high pressure needle valves are opened at the same time to quickly inject fuel of a high volume through a plurality of nozzle holes, thereby improving combustion performance of an engine, and wherein a space between the needle valve and the nozzle hole which are closed after the injection is minimized because the nozzle hole is opened differentially and sequentially according to pressure, thereby avoiding waste of fuel and reducing harmful gas (smoke, Nox).
    • 本发明提供了一种具有用于柴油发动机的两相燃料喷射阀的两个电磁阀继电器,该电磁阀继电器安装在阀本身上以能够在大于开启压力的压力下喷射燃料进入燃料阀,由此 提高燃料喷射性能,并且其被配置为能够调节阀内的打开压力下的喷射正时,其中通过电磁阀分别为低负载和高负载提供喷射定时,使得在 喷射正时以不同于燃料进入燃料阀的压力和内部弹簧开启压力的压力以不同的方式打开喷嘴的喷嘴孔,从而甚至在低负载下高压喷射燃料以促进汽化, 并且其中,在高速运转或高负载的情况下,低压/高压针阀同时打开以快速地 通过多个喷嘴孔大体积的喷射燃料,从而改善发动机的燃烧性能,并且其中在喷射之后关闭的针阀和喷嘴孔之间的空间被最小化,因为喷嘴孔差异地并且顺序地打开 根据压力,从而避免燃料的浪费和减少有害气体(烟雾,Nox)。
    • 7. 发明申请
    • TWO SOLENOID VALVE RELAY TWO-STAGE FUEL INJECTION VALVE FOR DIESEL ENGINES
    • 两个电磁阀继电器柴油发动机两级燃油喷射阀
    • US20130037004A1
    • 2013-02-14
    • US13642276
    • 2010-10-26
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKang-Yun JungKwang-Cheol HeoJong-Suk KimJung-Hyun ParkEun HaBeom-Yong No
    • Deuk-Jin ParkEung-Sung KimJu-Tae KimKang-Yun JungKwang-Cheol HeoJong-Suk KimJung-Hyun ParkEun HaBeom-Yong No
    • F02M69/04
    • F02M45/086F02M47/027F02M61/182F02M2200/46
    • The present invention provides a two solenoid valve relay with a two-phase fuel injection valve for a diesel engine, which is installed on a valve itself to enable injection at pressure greater than opening pressure, at which the fuel enters into a fuel valve, thereby improving fuel injection performance, and which is configured to enable adjustment of an injection timing at the opening pressure within the valve, wherein injection timings through a solenoid valve is provided for low load and high load, respectively, such that a distinct difference exists between the injection timings to open the nozzle hole of the nozzle in a differential manner at pressure higher than the pressure, at which the fuel enters to the fuel valve and internal spring opening pressure, thereby injecting fuel at high pressure even at low load to facilitate vaporization, and wherein, in case of a high speed operation or high load, low pressure/high pressure needle valves are opened at the same time to quickly inject fuel of a high volume through a plurality of nozzle holes, thereby improving combustion performance of an engine, and wherein a space between the needle valve and the nozzle hole which are closed after the injection is minimized because the nozzle hole is opened differentially and sequentially according to pressure, thereby avoiding waste of fuel and reducing harmful gas (smoke, Nox).
    • 本发明提供了一种具有用于柴油发动机的两相燃料喷射阀的两个电磁阀继电器,该电磁阀继电器安装在阀本身上以能够在大于开启压力的压力下喷射燃料进入燃料阀,由此 提高燃料喷射性能,并且其被配置为能够调节阀内的打开压力下的喷射正时,其中通过电磁阀分别为低负载和高负载提供喷射定时,使得在 喷射正时以不同于燃料进入燃料阀的压力和内部弹簧开启压力的压力以不同的方式打开喷嘴的喷嘴孔,从而甚至在低负载下高压喷射燃料以促进汽化, 并且其中,在高速运转或高负载的情况下,低压/高压针阀同时打开以快速地 通过多个喷嘴孔大体积的喷射燃料,从而改善发动机的燃烧性能,并且其中在喷射之后关闭的针阀和喷嘴孔之间的空间被最小化,因为喷嘴孔差异地并且顺序地打开 根据压力,从而避免燃料的浪费和减少有害气体(烟雾,Nox)。
    • 8. 发明申请
    • FUEL INJECTION PUMP INCLUDING A VARIABLE PRESSURE COMPARTMENT
    • 燃油喷射泵,包括一个可变的压力舱
    • US20130156620A1
    • 2013-06-20
    • US13819005
    • 2011-03-21
    • Deuk-Jin ParkJu-Tae KimDong-Hun KimWook-Hyeon YoonByong-Seok KimTae-Hyung ParkEun HaBeom-Yong No
    • Deuk-Jin ParkJu-Tae KimDong-Hun KimWook-Hyeon YoonByong-Seok KimTae-Hyung ParkEun HaBeom-Yong No
    • F04B7/00
    • F04B7/00F02M59/022F02M59/20F02M59/205F02M59/22F02M59/462F04B1/053F04B11/0016F04B11/0033F04B49/12F04B49/16
    • The present invention relates to a fuel injection pump having a variable pressure chamber which can adjust a fuel injection timing according to each engine load with a simple structure and a lower manufacture cost compared to the conventional injection pump without a separate apparatus for moving a barrel as well as not modifying a shape of a plunger.The fuel injection pump having the variable pressure chamber further includes a pressure adjustment means including a contact plug of which lower portion is inserted and installed in the upper cover; a cylinder of which lower portion is inserted and installed in the contact plug and having the variable pressure chamber formed inside thereof; a main fuel pressing hole formed in the upper cover and the barrel to connect the variable pressure chamber of the cylinder and a plunger insertion hole of the barrel; a piston installed in the variable pressure chamber of the cylinder to enable an upward and downward sliding motion thereof; and a manual pressure adjustment unit installed on an upper portion of the cylinder to enable a vertical height adjustment to elastically support the upper portion of the piston.
    • 本发明涉及一种具有可变压力室的燃料喷射泵,该可变压力室与常规注射泵相比,可以以简单的结构和较低的制造成本根据每个发动机负载调节燃料喷射正时,而不需要用于移动筒的单独装置 以及不改变柱塞的形状。 具有可变压力室的燃料喷射泵还包括压力调节装置,包括其下部插入并安装在上盖中的接触塞; 其下部插入并安装在接触塞中并具有形成在其中的可变压力室的圆筒; 主燃料按压孔,其形成在所述上盖和所述筒体中,以连接所述气缸的可变压力室和所述筒的柱塞插入孔; 安装在所述气缸的所述可变压力室中以使其能够向上和向下滑动的活塞; 以及安装在气缸的上部上的手动压力调节单元,以能够进行垂直高度的调整,以弹性地支撑活塞的上部。