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    Dual fuel common rail system
    1.
    发明授权
    Dual fuel common rail system 有权
    双燃料共轨系统

    公开(公告)号：EP2487353B1

    公开(公告)日：2018-03-21

    申请号：EP12000756.2

    申请日：2012-02-06

    申请人： Caterpillar Inc.

    发明人： Kim, Hoisan ,  Sommars, Mark F.

    IPC分类号： F02D19/06 ,  F02M21/02 ,  F02M43/00 ,  F02M43/04 ,  F02M61/18 ,  F02M63/02 ,  F02M55/00 ,  F02D41/22

    CPC分类号： F02M43/00 ,  F02D19/06 ,  F02D19/0647 ,  F02D2041/227 ,  F02M21/0245 ,  F02M21/0257 ,  F02M43/04 ,  F02M55/002 ,  F02M55/005 ,  F02M61/1806 ,  F02M63/0225 ,  F02M63/023 ,  Y02T10/36

    摘要： A dual fuel system for an engine (5) includes a plurality of fuel injectors (12) that each include an injector body (70) with a tip component (71) defining a plurality of gas nozzle outlets (90) and a plurality of liquid nozzle outlets (96) positioned for direct injection into one of the engine cylinders (7). Each of the fuel injectors (12) is fluidly connected to a gaseous fuel common rail through a quill (30) and an outer passage (49) defined between an inner tube (50) and an outer tube (40). Each of the fuel injectors (12) is fluidly connected to a liquid fuel common rail through the quill (30) and an inner passage (51) defined by the inner tube (50). Each combination of an inner tube (50) and outer tube (40) extend into the engine housing (6) between the quill (30) and one of the fuel injectors (12). Each of the inner tubes (50) extends through one of the outer tubes (40) and is compressed between a conical seat (38) on the quill (30) and a conical seat (38) on one of the fuel injectors (12).

    Dual fuel injector and engine using same
    2.
    发明公开
    Dual fuel injector and engine using same 审中-公开
    双燃料喷射器和发动机订单

    公开(公告)号：EP2508742A3

    公开(公告)日：2014-01-01

    申请号：EP12001559.9

    申请日：2012-03-07

    申请人： Caterpillar Inc.

    发明人： Kim, Hoisan ,  Sommars, Mark F. ,  Ding, Xiangdong

    IPC分类号： F02M43/04 ,  F02M43/00 ,  F02M47/02 ,  F02M45/08 ,  F02M51/06 ,  F02M63/00 ,  F02D19/06 ,  F02D19/10

    CPC分类号： F02M43/04 ,  F02D19/061 ,  F02D19/0647 ,  F02D19/0694 ,  F02D19/105 ,  F02M43/00 ,  F02M45/086 ,  F02M47/027 ,  F02M51/0617 ,  F02M2200/44 ,  F02M2200/46 ,  Y02T10/36

    摘要： A dual fuel injector (12) may be used to injector both gas and liquid fuel into a cylinder (7) of a compression ignition engine (5). An injector body (70) defines a first set of nozzle outlets, a second set of nozzle outlets, a first fuel inlet (33) and a second fuel inlet (36). A dual solenoid actuator (100) includes a first armature (101), a first coil (102), a second armature (103), a second coil (104) and a lever (140). The dual solenoid actuator (100) has a non-injection configuration at which the first armature (101) is in an un-energized position, the second armature (103) is at un-energized position and the lever (140) is at a first angular orientation. A dual solenoid actuator (100) has a first fuel injection configuration at which the first fuel inlet (33) is fluidly connected to the first set of nozzle outlets, the first armature (101) is at an energized position, the second armature (103) is at the un-energized position and the lever (140) is at the first angular orientation. The dual solenoid actuator (100) has a second fuel injection configuration at which the second fuel inlet (36) is fluidly connected to the second set of nozzle outlets, the first armature (101) is at the un-energized position, the second armature (103) is at an energized position and the lever (140) is at a second angular orientation. The dual solenoid actuator (100) may also include a combined fuel injection configuration.

    Dual fuel common rail system
    3.
    发明公开
    Dual fuel common rail system 有权
    多普达共轨系统

    公开(公告)号：EP2487353A2

    公开(公告)日：2012-08-15

    申请号：EP12000756.2

    申请日：2012-02-06

    申请人： Caterpillar Inc.

    发明人： Kim, Hoisan ,  Sommars, Mark F.

    IPC分类号： F02D19/06 ,  F02M21/02 ,  F02M43/00 ,  F02M43/04 ,  F02M61/18 ,  F02M63/02

    CPC分类号： F02M43/00 ,  F02D19/06 ,  F02D19/0647 ,  F02D2041/227 ,  F02M21/0245 ,  F02M21/0257 ,  F02M43/04 ,  F02M55/002 ,  F02M55/005 ,  F02M61/1806 ,  F02M63/0225 ,  F02M63/023 ,  Y02T10/36

    摘要： A dual fuel system for an engine (5) includes a plurality of fuel injectors (12) that each include an injector body (70) with a tip component (71) defining a plurality of gas nozzle outlets (90) and a plurality of liquid nozzle outlets (96) positioned for direct injection into one of the engine cylinders (7). Each of the fuel injectors (12) is fluidly connected to a gaseous fuel common rail through a quill (30) and an outer passage (49) defined between an inner tube (50) and an outer tube (40). Each of the fuel injectors (12) is fluidly connected to a liquid fuel common rail through the quill (30) and an inner passage (51) defined by the inner tube (50). Each combination of an inner tube (50) and outer tube (40) extend into the engine housing (6) between the quill (30) and one of the fuel injectors (12). Each of the inner tubes (50) extends through one of the outer tubes (40) and is compressed between a conical seat (38) on the quill (30) and a conical seat (38) on one of the fuel injectors (12).

    摘要翻译： 用于发动机（5）的双燃料系统包括多个燃料喷射器（12），每个燃料喷射器包括喷射器主体（70），喷射器主体（70）具有限定多个气体喷嘴出口（90）的尖端部件（71）和多个液体 喷嘴出口（96）定位成直接喷射到一个发动机气缸（7）中。 每个燃料喷射器（12）通过套筒（30）和限定在内管（50）和外管（40）之间的外通道（49）而流体地连接到气体燃料共轨。 每个燃料喷射器（12）通过套筒（30）和由内管（50）限定的内部通道（51）流体地连接到液体燃料共轨。 内管（50）和外管（40）的每个组合延伸到套筒（30）和一个燃料喷射器（12）之间的发动机壳体（6）中。 每个内管（50）延伸穿过外管（40）中的一个，并被压缩在套管（30）上的锥形座（38）和其中一个燃料喷射器（12）上的锥形座（38） 。

    Co-Axial quill assembly for dual fuel common rail system
    4.
    发明公开
    Co-Axial quill assembly for dual fuel common rail system 有权
    共同铁路系统的Koaxiale HohlwellenanordnungfürEinspritzung von zwei Kraftstoffen

    公开(公告)号：EP2426347A1

    公开(公告)日：2012-03-07

    申请号：EP11006949.9

    申请日：2011-08-25

    申请人： Caterpillar Inc.

    发明人： Kim, Hoisan ,  Sommars, Mark F.

    IPC分类号： F02M43/00 ,  F02M55/00 ,  F02M55/02

    CPC分类号： F02M55/005 ,  F02M43/00 ,  F02M55/025

    摘要： A dual fuel common rail system (10) includes first and second common rails (16) fluidly connected to a fuel injector (12) by a co-axial quill assembly (18). Distillate diesel fuel at a first pressure moves from the first common rail (14) through a first fuel passage defined by a quill (30), through an inner tube (50) and into the fuel injector (12). Liquid natural gas a second lower pressure moves from the second common rail (16) through a second fuel passage (35) defined by the quill (30), through a space (45, 49) between the outer tube (40) and the inner tube (50), and finally into the fuel injector (12). The quill (30) is partially positioned in a block (20). First and second compression load adjusters (60) are threadably attached to the block (20) to adjust a compression load on the inner tube (50) and outer tube (40) to inhibit leakage of fuel from the tubes.

    摘要翻译： 双燃料共轨系统（10）包括通过同轴轴瓦组件（18）流体地连接到燃料喷射器（12）的第一和第二共轨（16）。 在第一压力下的馏分柴油燃料从第一共轨（14）通过由套管（30）限定的第一燃料通道，通过内管（50）并进入燃料喷射器（12）。 第二较低压力的液体天然气通过由管芯（30）限定的第二燃料通道（35）从第二共轨（16）移动通过外管（40）和内管（40）之间的空间（45,49） 管（50），最后进入燃料喷射器（12）。 套筒（30）部分地位于块（20）中。 第一和第二压缩负载调节器（60）螺纹连接到块（20）以调节内管（50）和外管（40）上的压缩载荷，以防止燃料从管中泄漏。

    Dual fuel injector and engine using same
    7.
    发明公开
    Dual fuel injector and engine using same 审中-公开
    Zweistoffeinspritzaggregat和运动障碍

    公开(公告)号：EP2508742A2

    公开(公告)日：2012-10-10

    申请号：EP12001559.9

    申请日：2012-03-07

    申请人： Caterpillar Inc.

    发明人： Kim, Hoisan ,  Sommars, Mark F. ,  Ding, Xiangdong

    IPC分类号： F02M43/04 ,  F02M43/00 ,  F02M47/02 ,  F02M45/08 ,  F02M51/06

    CPC分类号： F02M43/04 ,  F02D19/061 ,  F02D19/0647 ,  F02D19/0694 ,  F02D19/105 ,  F02M43/00 ,  F02M45/086 ,  F02M47/027 ,  F02M51/0617 ,  F02M2200/44 ,  F02M2200/46 ,  Y02T10/36

    摘要： A dual fuel injector (12) may be used to injector both gas and liquid fuel into a cylinder (7) of a compression ignition engine (5). An injector body (70) defines a first set of nozzle outlets, a second set of nozzle outlets, a first fuel inlet (33) and a second fuel inlet (36). A dual solenoid actuator (100) includes a first armature (101), a first coil (102), a second armature (103), a second coil (104) and a lever (140). The dual solenoid actuator (100) has a non-injection configuration at which the first armature (101) is in an un-energized position, the second armature (103) is at un-energized position and the lever (140) is at a first angular orientation. A dual solenoid actuator (100) has a first fuel injection configuration at which the first fuel inlet (33) is fluidly connected to the first set of nozzle outlets, the first armature (101) is at an energized position, the second armature (103) is at the un-energized position and the lever (140) is at the first angular orientation. The dual solenoid actuator (100) has a second fuel injection configuration at which the second fuel inlet (36) is fluidly connected to the second set of nozzle outlets, the first armature (101) is at the un-energized position, the second armature (103) is at an energized position and the lever (140) is at a second angular orientation. The dual solenoid actuator (100) may also include a combined fuel injection configuration.

    摘要翻译： 双燃料喷射器（12）可用于将气体和液体燃料喷射到压缩点火发动机（5）的气缸（7）中。 喷射器主体（70）限定第一组喷嘴出口，第二组喷嘴出口，第一燃料入口（33）和第二燃料入口（36）。 双螺线管致动器（100）包括第一电枢（101），第一线圈（102），第二电枢（103），第二线圈（104）和杠杆（140）。 双螺线管致动器（100）具有非注入构造，第一电枢（101）处于未通电位置，第二电枢（103）处于未通电位置，并且杆（140）处于 第一角度定向。 双螺线管致动器（100）具有第一燃料喷射构造，第一燃料入口（33）在该第一燃料喷射构造处流体地连接到第一组喷嘴出口，第一电枢（101）处于通电位置，第二电枢 ）处于未通电位置，并且杆（140）处于第一角度定向。 双螺线管致动器（100）具有第二燃料喷射构造，第二燃料入口（36）在该第二燃料喷射构造处流体地连接到第二组喷嘴出口，第一电枢（101）处于未通电位置，第二电枢 （103）处于通电位置并且所述杆（140）处于第二角度定向。 双电磁致动器（100）还可以包括组合的燃料喷射构造。