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    • 2. 发明授权
    • High-pressure fuel supply pump and fuel supply system
    • 高压燃油供应泵和燃油供应系统
    • US08794936B2
    • 2014-08-05
    • US12904701
    • 2010-10-14
    • Kenichiro TokuoJonathan Borg
    • Kenichiro TokuoJonathan Borg
    • F04B53/10F04B7/00
    • F02M63/0285F02M37/0047F02M59/366F02M59/466F02M69/02F02M69/046F02M69/465
    • A high-pressure fuel supply pump includes a compression chamber, a plunger reciprocating in the compression chamber for pressurizing fuel in the compression chamber, a discharge valve for discharging pressurized fuel from the compression chamber to a high-pressure fuel passage of a high-pressure fuel supply system for supplying high-pressure fuel to an internal combustion engine, and a first solenoid actuated valve for connecting and disconnecting a first low-pressure fuel passage and the compression chamber. The first solenoid actuated valve is biased by a first biasing member in a closing direction of the first solenoid actuated valve, and is opened or kept open against the biasing force of the first biasing member, when the first solenoid actuated valve is energized. The high pressure fuel supply pump further includes a second solenoid actuated valve for connecting and disconnecting a second low-pressure fuel passage and the compression chamber.
    • 高压燃料供给泵包括:压缩室,在压缩室内往复运动的柱塞,用于对压缩室内的燃料进行加压;排出阀,用于将加压燃料从压缩室排出到高压燃料通道, 用于向内燃机供应高压燃料的燃料供应系统和用于连接和断开第一低压燃料通道和压缩室的第一电磁致动阀。 当第一电磁致动阀通电时,第一电磁致动阀在第一电磁致动阀的关闭方向上被第一偏置构件偏压,并且在第一电磁致动阀通电时克服第一偏置构件的偏置力打开或保持打开。 高压燃料供给泵还包括用于连接和断开第二低压燃料通道和压缩室的第二电磁致动阀。
    • 4. 发明授权
    • Engine start fuel control system
    • 发动机起动燃油控制系统
    • US07017556B2
    • 2006-03-28
    • US10756564
    • 2004-01-13
    • Jonathan BorgShigeru OhoFrank Warren HuntAyumu Miyajima
    • Jonathan BorgShigeru OhoFrank Warren HuntAyumu Miyajima
    • F02D41/06
    • F02D41/3094F02D37/02F02D41/0255F02D41/064F02D41/402F02P5/1506Y02T10/46
    • An engine startup fuel control system for use with a four-cycle internal combustion engine of the type having a plurality of combustion chambers, an air intake passageway, a source of fuel, a crankshaft and a camshaft which operates the engine cylinder valves. A multipoint fuel injector is associated with each combustion chamber and each multipoint fuel injector has an inlet connected to the fuel source and an outlet connected to the air intake passageway adjacent its associated combustion chamber. A crankshaft position sensor generates an output signal representative of the angular position of the crankshaft while, similarly, a camshaft position sensor generates an output signal representative of the angular position of the camshaft. An engine control unit is programmed to determine the synchronization of the engine in response to the output signals from the crankshaft position sensor and camshaft position sensor. The engine control unit has outputs which control the activation of each multipoint fuel injector and is programmed to vary the activation of the multipoint fuel injector after determination of the engine synchronization in order to achieve a predetermined air/fuel mixture in each combustion chamber during engine startup.
    • 一种与具有多个燃烧室的类型的四冲程内燃机一起使用的发动机起动燃料控制系统,进气通道,燃料源,曲轴和用于操作发动机气缸阀的凸轮轴。 多点燃料喷射器与每个燃烧室相关联,并且每个多点燃料喷射器具有连接到燃料源的入口和与其相关联的燃烧室相邻的进气通道连接的出口。 曲轴位置传感器产生表示曲轴的角度位置的输出信号,而类似地,凸轮轴位置传感器产生表示凸轮轴的角位置的输出信号。 发动机控制单元被编程以响应于来自曲轴位置传感器和凸轮轴位置传感器的输出信号来确定发动机的同步。 发动机控制单元具有控制每个多点燃料喷射器的启动的输出,并且被编程以在确定发动机同步之后改变多点燃料喷射器的启动,以便在发动机起动期间实现每个燃烧室中的预定空气/燃料混合物 。
    • 5. 发明授权
    • Cold start fuel control system
    • 冷启动燃油控制系统
    • US07007667B2
    • 2006-03-07
    • US10624228
    • 2003-07-22
    • Jonathan BorgShigeru OhoFrank Warren HuntAyumu Miyajima
    • Jonathan BorgShigeru OhoFrank Warren HuntAyumu Miyajima
    • F02D41/06F02D43/00
    • F02D41/3094F02D37/02F02D41/0255F02D41/064F02D41/402F02P5/1506Y02T10/46
    • An engine startup fuel control system for use with an internal combustion engine of the type having a plurality of combustion chambers, an air intake passage fluidly connected to each combustion chamber and a source of fuel. The system includes a multipoint fuel injector associated with each combustion chamber in which the multipoint fuel injector has an inlet connected to the fuel source and an outlet fluidly connected to the intake air passageway adjacent its associated combustion chamber. A cold start fuel injector also has an inlet connected to the fuel source and an outlet connected through a cold start passageway with each combustion chamber. A processing circuit selectively activates the multipoint fuel injectors as well as the cold start fuel injector. The processing circuit determines the air/fuel mixture introduced by the cold start fuel injector into each combustion chamber during engine startup and then selectively activates the multipoint fuel injectors to achieve a predetermined air/fuel mixture in each combustion chamber during engine startup. The processing circuit also variably retards the ignition of the combustion charge within at least one of the combustion chambers to achieve faster heating of a catalytic converter. Furthermore, the cold start fuel injector is optionally activated in a plurality of spaced subpulses for each combustion charge provided to each combustion chamber.
    • 一种与具有多个燃烧室的类型的内燃机一起使用的发动机起动燃料控制系统,流体连接到每个燃烧室的进气通道和燃料源。 该系统包括与每个燃烧室相关联的多点燃料喷射器,其中多点燃料喷射器具有连接到燃料源的入口和与邻近其相关联的燃烧室流体连接到进气通道的出口。 冷启动燃料喷射器还具有连接到燃料源的入口和通过每个燃烧室的冷启动通道连接的出口。 处理电路选择性地激活多点燃料喷射器以及冷启动燃料喷射器。 处理电路在发动机启动期间确定由冷启动燃料喷射器引入到每个燃烧室中的空气/燃料混合物,然后选择性地启动多点燃料喷射器,以在发动机起动期间在每个燃烧室中实现预定的空气/燃料混合物。 处理电路还可变地阻止至少一个燃烧室内的燃烧装料的点火,以实现催化转化器的更快的加热。 此外,冷启动燃料喷射器可选地为设置到每个燃烧室的每个燃料电荷以多个间隔的子脉冲激活。
    • 6. 发明申请
    • Engine start fuel control system
    • 发动机起动燃油控制系统
    • US20050016503A1
    • 2005-01-27
    • US10756564
    • 2004-01-13
    • Jonathan BorgShigeru OhoFrank HuntAyumu Miyajima
    • Jonathan BorgShigeru OhoFrank HuntAyumu Miyajima
    • F02D37/02F02D41/02F02D41/06F02D41/36F02D41/40F02D43/00F02D45/00F02M71/04F02N99/00F02P5/15
    • F02D41/3094F02D37/02F02D41/0255F02D41/064F02D41/402F02P5/1506Y02T10/46
    • An engine startup fuel control system for use with a four-cycle internal combustion engine of the type having a plurality of combustion chambers, an air intake passageway, a source of fuel, a crankshaft and a camshaft which operates the engine cylinder valves. A multipoint fuel injector is associated with each combustion chamber and each multipoint fuel injector has an inlet connected to the fuel source and an outlet connected to the air intake passageway adjacent its associated combustion chamber. A crankshaft position sensor generates an output signal representative of the angular position of the crankshaft while, similarly, a camshaft position sensor generates an output signal representative of the angular position of the camshaft. An engine control unit is programmed to determine the synchronization of the engine in response to the output signals from the crankshaft position sensor and camshaft position sensor. The engine control unit has outputs which control the activation of each multipoint fuel injector and is programmed to vary the activation of the multipoint fuel injector after determination of the engine synchronization in order to achieve a predetermined air/fuel mixture in each combustion chamber during engine startup.
    • 一种与具有多个燃烧室的类型的四冲程内燃机一起使用的发动机起动燃料控制系统,进气通道,燃料源,曲轴和用于操作发动机气缸阀的凸轮轴。 多点燃料喷射器与每个燃烧室相关联,并且每个多点燃料喷射器具有连接到燃料源的入口和与其相关联的燃烧室相邻的进气通道连接的出口。 曲轴位置传感器产生表示曲轴的角度位置的输出信号,而类似地,凸轮轴位置传感器产生表示凸轮轴的角位置的输出信号。 发动机控制单元被编程以响应于来自曲轴位置传感器和凸轮轴位置传感器的输出信号来确定发动机的同步。 发动机控制单元具有控制每个多点燃料喷射器的启动的输出,并且被编程以在确定发动机同步之后改变多点燃料喷射器的启动,以便在发动机起动期间实现每个燃烧室中的预定空气/燃料混合物 。
    • 10. 发明授权
    • Fuel control system
    • 燃油控制系统
    • US06918383B2
    • 2005-07-19
    • US10614881
    • 2003-07-08
    • Frank Warren HuntAyumu MiyajimaGeorge SaikalisJonathan BorgShigeru Oho
    • Frank Warren HuntAyumu MiyajimaGeorge SaikalisJonathan BorgShigeru Oho
    • F01N5/02F01P3/20F02M25/07F02M31/08F02M31/093F02M31/10F02M31/135F02M35/10F02M51/02F02M51/08F02M53/02F02M61/18F02M69/00F02M69/32F02N19/04F02M23/00
    • F02M35/10078F02M26/17F02M26/36F02M31/093F02M31/135F02M35/10216F02M69/325Y02T10/126Y02T10/146
    • A cold start fuel control system is disclosed for use with an internal combustion engine having a plurality of combustion chambers, a source of fuel and an intake manifold having an inlet and an outlet port connected to each combustion chamber. The system includes a cold start fuel injector assembly having an inlet and an outlet to provide a vapor fuel charge during a cold start engine condition. The cold start fuel injector assembly inlet is fluidly connected to the source of fuel. An auxiliary intake manifold has an internal chamber and the cold start fuel injector assembly outlet is fluidly connected to the auxiliary intake manifold chamber. The auxiliary intake manifold chamber is then fluidly connected through a control orifice to each of the combustion chambers at a position downstream from the inlet of the primary intake manifold. A control circuit optionally controls the area of the control orifice to minimize noxious emissions from the engine and a shroud is optionally associated with each control orifice to enhance mixing of the vapor fuel with the inducted airflow to also minimize noxious emissions from the engine.
    • 公开了一种与具有多个燃烧室,燃料源和进气歧管的内燃机一起使用的冷启动燃料控制系统,其具有连接到每个燃烧室的入口和出口。 该系统包括具有入口和出口的冷启动燃料喷射器组件,以在冷起动发动机状态期间提供蒸气燃料装料。 冷启动燃料喷射器组件入口流体地连接到燃料源。 辅助进气歧管具有内部腔室,并且冷启动燃料喷射器组件出口流体地连接到辅助进气歧管腔室。 然后,辅助进气歧管腔室通过控制孔流体连接到在主进气歧管入口下游的位置处的每个燃烧室。 控制电路可选地控制控制孔的面积以最小化来自发动机的有害排放物,并且护罩可选地与每个控制孔相关联,以增强蒸气燃料与引入气流的混合,同时最小化来自发动机的有害排放物。