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公开(公告)号：US11867142B2
公开(公告)日：2024-01-09
申请号：US17396356
申请日：2021-08-06
IPC分类号： F02M61/00 , F02M61/10 , F02D41/20 , F02M61/18 , F02M45/08 , F02D41/14 , F02D41/26 , F02M51/06
CPC分类号： F02M61/10 , F02D41/1439 , F02D41/20 , F02D41/2096 , F02D41/26 , F02M45/086 , F02M51/0607 , F02M51/0653 , F02M61/182 , F02D2041/2024 , F02D2041/2079 , F02M2200/46
摘要： A multi-fuel injector assembly in one embodiment includes a first fuel injector assembly to deliver a first type of fuel and a second fuel delivery system to deliver a second type of fuel. The first fuel injector includes a first nozzle, at least one first needle, and at least one first actuator configured to move the at least one first needle. The at least one first actuator moves the at least one first needle to a first fuel delivery configuration that corresponds to a first fuel mixture composition, and a second fuel delivery configuration that corresponds to a second fuel mixture composition.
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公开(公告)号：US20180274506A1
公开(公告)日：2018-09-27
申请号：US15996090
申请日：2018-06-01
发明人： George A. MEEK , Lukhbir PANESAR
IPC分类号： F02M43/04 , F02M61/14 , F02D19/10 , F02M47/02 , F02M61/10 , F02D19/06 , F02M63/00 , F02M61/16 , F02M55/02 , F02M45/08
CPC分类号： F02M43/04 , F02D19/0694 , F02D19/10 , F02M45/086 , F02M47/027 , F02M55/025 , F02M61/10 , F02M61/14 , F02M61/16 , F02M63/0015 , F02M63/0064 , F02M2200/40 , F02M2200/857 , Y02T10/36
摘要： A fuel injector for an internal combustion engine is disclosed. The fuel injector is installable in a cylinder head bore of a cylinder head of the engine and has a body region arranged to be received within the cylinder head bore, and a head region arranged to extend outside the cylinder head bore to protrude from the cylinder head when the injector is installed in the cylinder head bore. The injector includes a first valve needle arranged to control the injection of a gaseous fuel from a first outlet, a second valve needle arranged to control the injection of a liquid fuel from a second outlet, a gaseous fuel inlet for admitting the gaseous fuel to the injector, and a liquid fuel inlet port for admitting the liquid fuel to the injector. The gaseous fuel inlet is disposed in the body region of the injector, and the liquid fuel inlet port is disposed in the head region of the injector. The injector can also include an internal accumulator volume so that an external fuel rail is not necessary.
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公开(公告)号：US10006422B2
公开(公告)日：2018-06-26
申请号：US14892985
申请日：2014-05-21
发明人： George A. Meek , Lukhbir Panesar
IPC分类号： F02M43/04 , F02D19/06 , F02D19/10 , F02M47/02 , F02M63/00 , F02M61/10 , F02M61/14 , F02M61/16 , F02M45/08 , F02M55/02
CPC分类号： F02M43/04 , F02D19/0694 , F02D19/10 , F02M45/086 , F02M47/027 , F02M55/025 , F02M61/10 , F02M61/14 , F02M61/16 , F02M63/0015 , F02M63/0064 , F02M2200/40 , F02M2200/857 , Y02T10/36
摘要： A fuel injector for an internal combustion engine is disclosed. The fuel injector is installable in a cylinder head bore of a cylinder head of the engine and has a body region arranged to be received within the cylinder head bore, and a head region arranged to extend outside the cylinder head bore to protrude from the cylinder head when the injector is installed in the cylinder head bore. The injector includes a first valve needle arranged to control the injection of a gaseous fuel from a first outlet, a second valve needle arranged to control the injection of a liquid fuel from a second outlet, a gaseous fuel inlet for admitting the gaseous fuel to the injector, and a liquid fuel inlet port for admitting the liquid fuel to the injector. The gaseous fuel inlet is disposed in the body region of the injector, and the liquid fuel inlet port is disposed in the head region of the injector. The injector can also include an internal accumulator volume so that an external fuel rail is not necessary.
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公开(公告)号：US20170218897A1
公开(公告)日：2017-08-03
申请号：US15485310
申请日：2017-04-12
申请人： L'ORANGE GMBH
发明人： Markus KALENBORN
CPC分类号： F02M43/04 , F02D19/0613 , F02D19/0647 , F02D19/0678 , F02D19/0689 , F02D19/0692 , F02D19/0694 , F02M37/0064 , F02M45/086 , F02M63/0005 , Y02T10/36
摘要： In a dual-fuel fuel injector comprising a first injector unit for a first injector operating mode using a first main fuel and a second injector unit for a second injector operating mode using a second main fuel and an injector-reservoir, the reservoir is connected at one end to a first main fuel supply and at the opposite end to a second main fuel supply with a separating element disposed in the injector reservoir so as to be movable between the opposite ends so that, in each operating mode, the full volume of the reservoir can be used for accommodating the respective main fuel.
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公开(公告)号：US09702325B2
公开(公告)日：2017-07-11
申请号：US14658493
申请日：2015-03-16
申请人： Robert Bosch GmbH
CPC分类号： F02M45/086 , F02M21/0254 , F02M21/0269 , F02M21/0275 , F02M51/0603 , F02M51/061 , F02M61/1886 , F02M63/0007 , Y02T10/32
摘要： A gas injector for injecting gaseous fuel includes: a valve body; an outer needle which is a hollow needle; an inner needle disposed in a hollow region of the outer needle; and an actuator system configured to actuate the outer needle and the inner needle independently of each other in each case. A first sealing seat is provided between the valve body and the outer needle, and a second sealing seat is provided between the outer needle and the inner needle.
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公开(公告)号：US09562505B2
公开(公告)日：2017-02-07
申请号：US13915305
申请日：2013-06-11
申请人： CUMMINS INC.
CPC分类号： F02M63/029 , F02M45/086 , F02M51/0603 , F02M2200/46 , F02M2200/703
摘要： The disclosure provides an improved fuel injector and method of operating the fuel injector to provide at least two different types of fuel spray to a combustion chamber of an internal combustion engine. The two types of spray are formed by providing a first fuel pressure to the fuel injector during a first portion of an injection event at a first pressure and providing a second fuel pressure to the fuel injection during a second portion of the injection event, and maintaining a substantially constant fuel flow rate throughout the injection event.
摘要翻译： 本公开提供了一种改进的燃料喷射器和操作燃料喷射器的方法，以向内燃机的燃烧室提供至少两种不同类型的燃料喷雾。 在喷射事件的第一部分在第一压力下向燃料喷射器提供第一燃料压力并在喷射事件的第二部分期间向燃料喷射提供第二燃料压力并且保持 在整个喷射事件期间基本上恒定的燃料流量。
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7.发明授权公开(公告)号：US09303610B2
公开(公告)日：2016-04-05
申请号：US13991067
申请日：2011-11-30
申请人： David Jay
发明人： David Jay
CPC分类号： F02M63/0225 , F02D19/0694 , F02D19/105 , F02M43/04 , F02M45/086 , F02M55/04 , F02M2200/315 , F02M2200/40 , F02M2200/44
摘要： A novel fuel injection unit for a large internal combustion engine includes a common rail fuel system. The fuel injection unit of the invention is constructed of at least a high pressure fuel accumulator specific for the fuel injection unit, a flow fuse, a first fuel injection valve with a control valve, and a second fuel injection valve with a control valve. The first fuel injection valve is a smaller one used for injecting at most 30% of the fuel required in full load operation of a diesel mode.
摘要翻译： 一种用于大型内燃机的新型燃料喷射单元包括共轨燃料系统。 本发明的燃料喷射单元由至少一个专用于燃料喷射单元的高压燃料蓄积器，流量保险丝，具有控制阀的第一燃料喷射阀和具有控制阀的第二燃料喷射阀构成。 第一个燃油喷射阀是一个较小的燃油喷射阀，用于在柴油机模式的全负载运行中喷射至多30％的燃油。
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公开(公告)号：US20150369192A1
公开(公告)日：2015-12-24
申请号：US14311646
申请日：2014-06-23
申请人： Caterpillar Inc.
IPC分类号： F02M61/10
CPC分类号： F02M45/086 , F02B23/0663 , F02M61/1833 , F02M2200/44 , Y02T10/125
摘要： A fuel injection apparatus for use in a compression ignition engine comprises a first injector tip defining a first set of outlet orifices therethrough and a second injector tip defining a second set of outlet orifices therethrough. The first set of outlet orifices has a first conicity and the second set of outlet orifices has a second conicity. The first conicity is different from the second conicity.
摘要翻译： 用于压缩点火发动机的燃料喷射装置包括限定通过其中的第一组出口孔的第一喷射器尖端和限定通过其的第二组出口孔的第二喷射器尖端。 第一组出口孔具有第一锥度，第二组出口孔具有第二锥度。 第一个锥度与第二个锥度不同。
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公开(公告)号：US20140361096A1
公开(公告)日：2014-12-11
申请号：US13915305
申请日：2013-06-11
申请人： CUMMINS INC.
IPC分类号： F02M41/16
CPC分类号： F02M63/029 , F02M45/086 , F02M51/0603 , F02M2200/46 , F02M2200/703
摘要： The disclosure provides an improved fuel injector and method of operating the fuel injector to provide at least two different types of fuel spray to a combustion chamber of an internal combustion engine. The two types of spray are formed by providing a first fuel pressure to the fuel injector during a first portion of an injection event at a first pressure and providing a second fuel pressure to the fuel injection during a second portion of the injection event, and maintaining a substantially constant fuel flow rate throughout the injection event.
摘要翻译： 本公开提供了一种改进的燃料喷射器和操作燃料喷射器的方法，以向内燃机的燃烧室提供至少两种不同类型的燃料喷雾。 在喷射事件的第一部分在第一压力下向燃料喷射器提供第一燃料压力并在喷射事件的第二部分期间向燃料喷射提供第二燃料压力并且保持 在整个喷射事件期间基本上恒定的燃料流量。
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公开(公告)号：US20130327296A1
公开(公告)日：2013-12-12
申请号：US13492974
申请日：2012-06-11
CPC分类号： F02M21/0257 , F02B3/06 , F02B43/00 , F02D19/0647 , F02D19/0684 , F02D19/0694 , F02M21/0215 , F02M21/0245 , F02M21/0281 , F02M21/0287 , F02M37/0017 , F02M43/04 , F02M45/00 , F02M45/086 , F02M55/02 , F02M55/025 , F02M55/04 , F02M61/10 , F02M63/029 , F02M2200/856 , Y02T10/32 , Y02T10/36
摘要： A dual fuel common rail engine supplies pressurized natural gas and liquid diesel fuel at different pressures through a co-axial quill assembly for direct injection from a single fuel injector into an engine cylinder. Pressure waves in the gaseous fuel common rail are damped in a pressure damping chamber of the co-axial quill assembly before the pressure wave can undermine consistent gaseous fuel injection rates and quantities from the fuel injector.
摘要翻译： 双燃料共轨发动机通过同轴套筒组件在不同的压力下提供加压天然气和液体柴油燃料，用于从单个燃料喷射器直接喷射到发动机气缸中。 气体燃料共轨之间的压力波在同轴羽毛球组件的压力衰减室内被阻尼，然后压力波可以破坏来自燃料喷射器的一致的气体燃料喷射速率和数量。
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