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    • 3. 发明授权
    • Fuel supply device
    • 燃油供应装置
    • US5613476A
    • 1997-03-25
    • US301429
    • 1994-09-09
    • Kiyotoshi OiAtsushige KobayashiKazushi NakashimaYasushi KawanoHideki Kaga
    • Kiyotoshi OiAtsushige KobayashiKazushi NakashimaYasushi KawanoHideki Kaga
    • B01D35/027F02M37/10F02M37/22F02M37/04
    • F02M37/10B01D35/0273F02M2037/228Y10T137/2574Y10T137/86228
    • An in-tank type fuel pump which can easily be installed and reduces the vibration caused by the fuel pump. The fuel pumped up by a pump part passes through a filter to have foreign matter contained therein removed. Then, the fuel flows from a fuel passage, through an opening part in a cap, into a recessed part and a second fuel passage. The fuel that has flowed into the second fuel passage lifts a check valve and flows into the recessed part. Then, the fuel flows through a third fuel passage to a discharge pipe, and then is guided to the outside of the fuel tank. A ball moves within a large-diameter passage according to the fuel pressure to regulate the fuel pressure required for fuel injection. When the fuel pumping is ceased, the fuel pressure falls to 0, and therefore the ball is forced to contact a valve seat by the spring force of a compression coil spring. Then, the head part of the check valve is forced to contact a valve seat to block the fuel passage. As a result, the residual fuel pressure can be maintained downstream from the recessed part.
    • 一种罐式燃油泵,可轻松安装,减少燃油泵引起的振动。 由泵部件抽出的燃料通过过滤器以除去其中包含的异物。 然后,燃料从燃料通路通过盖中的开口部流入凹部和第二燃料通路。 已经流入第二燃料通道的燃料提升止回阀并流入凹入部分。 然后,燃料通过第三燃料通道流到排放管,然后被引导到燃料箱的外部。 根据燃料压力,球在大直径通道内移动,以调节燃料喷射所需的燃料压力。 当燃料泵送停止时,燃料压力下降到0,因此球被压缩螺旋弹簧的弹簧力迫使阀座接触阀座。 然后,止回阀的头部被迫接触阀座以堵塞燃料通道。 结果,残留燃料压力可以保持在凹部的下游。
    • 4. 发明授权
    • Fuel injection control apparatus with injector response delay
compensation
    • 具有喷射器响应延迟补偿的燃油喷射控制装置
    • US5605136A
    • 1997-02-25
    • US572640
    • 1995-12-14
    • Kazushi Nakashima
    • Kazushi Nakashima
    • F02D41/34F02D41/30F02D41/32
    • F02D41/3005F02D41/32F02D2200/0602F02D2200/503F02D2200/703F02D2250/31
    • A fuel injection control apparatus has a pressure regulator with a fuel return pipe installed within a fuel tank. The pressure regulator regulates pressure of fuel supplied to a fuel injector to be constant relative to an atmospheric pressure or an in-tank pressure. An electronic control unit drives the fuel injector by adding an invalid injection time to a required injection time determined based on engine operating conditions. The invalid injection time, which compensates for the response delays of the fuel injector, is determined by a battery voltage and a pressure difference between the fuel pressure and a selected pressure which is lower than the atmospheric pressure. The selected pressure may be a minimum pressure which an intake pressure of the engine becomes during fuel injection operation.
    • 燃料喷射控制装置具有安装在燃料箱内的具有燃料回流管的压力调节器。 压力调节器调节供应给燃料喷射器的燃料的压力相对于大气压或罐内压力恒定。 电子控制单元通过将无效的喷射时间添加到基于发动机操作条件确定的所需喷射时间来驱动燃料喷射器。 补偿燃料喷射器的响应延迟的无效喷射时间由电池电压和燃料压力与低于大气压力的选定压力之间的压力差确定。 所选择的压力可以是在燃料喷射操作期间发动机的进气压力的最小压力。
    • 5. 发明授权
    • Fuel supply system for internal combustion engines
    • 内燃机燃油供应系统
    • US5471962A
    • 1995-12-05
    • US237880
    • 1994-05-04
    • Kazushi NakashimaShinichi Iwamoto
    • Kazushi NakashimaShinichi Iwamoto
    • F02M69/46F02M37/04
    • F02M69/465F02D2200/0606
    • In a fuel supply system for internal combustion engines, a fuel delivery pipe to which fuel injectors are mounted through respective connectors is connected to a fuel tank through a fuel connecting pipe without return piping. At least one of the connectors of the injectors is extended upwardly to open at an upper portion in the delivery pipe and has a small diameter extension pipe for enhancing sucking in air or vapor in the fuel delivery pipe into the injectors. A fuel pipe which is branched off from the fuel connecting pipe is provided above the delivery pipe, and the fuel pipe and the delivery pipe are connected with each other by a connecting orifice. The connecting orifice also extends upwardly to open at an upper portion in the fuel pipe. In the event that air or fuel vapor is generated in the fuel supply system, it is accumulated in the fuel pipe, gradually introduced into the delivery pipe through the connecting orifice, and then rapidly purged with fuel through the extended connectors and the injectors when the injectors inject fuel into an engine.
    • 在用于内燃机的燃料供给系统中,燃料喷射器通过各个连接器安装在燃料喷射管上的燃料供给管通过燃料连接管连接到燃料箱,而没有返回管道。 喷射器的至少一个连接器向上延伸以在输送管的上部开口,并且具有小直径的延伸管,用于增强将燃料输送管中的空气或蒸气吸入喷射器中。 从燃料连接管分支出的燃料管设置在输送管的上方,燃料管和输送管通过连接孔相互连接。 连接孔也向上延伸以在燃料管中的上部开口。 在燃料供给系统中产生空气或燃料蒸气的情况下,其积聚在燃料管中,通过连接孔逐渐引入输送管中,然后通过延长的连接器和喷射器迅速地通过燃料吹扫 注射器将燃料喷射到发动机中。
    • 7. 发明授权
    • Fuel supply system for internal combustion engines
    • 内燃机燃油供应系统
    • US5577482A
    • 1996-11-26
    • US170923
    • 1993-12-21
    • Kazushi NakashimaShinichi Iwamoto
    • Kazushi NakashimaShinichi Iwamoto
    • F02D41/06F02M37/20F02M69/46
    • F02M37/20F02D41/065F02M69/465F02D2200/0606
    • In a fuel supply system for internal combustion engines, a fuel delivery pipe to which fuel injectors are mounted through respective connectors is connected to a fuel tank through a fuel piping without return piping. At least one of the connectors of the injectors is extended upwardly to open at an upper portion in the delivery pipe. In the event that air or fuel vapor is generated in the fuel supply system, it is gradually introduced into the delivery pipe and rapidly purged with fuel through the extended connectors and the injectors when the injectors inject fuel into an engine. In order to improve engine cranking operation at high temperature condition, fuel injection period is extended so that vapor or air in the fuel is purged through the injectors. The extension of fuel injection period is terminated as soon as the initial explosion in the engine is detected.
    • 在用于内燃机的燃料供给系统中,燃料喷射器通过各自的连接器安装在燃料喷射管上的燃料箱通过没有返回管路的燃料管道连接到燃料箱。 喷射器的至少一个连接器向上延伸以在输送管的上部开口。 在燃料供应系统中产生空气或燃料蒸汽的情况下,当喷射器将燃料喷射到发动机中时,它逐渐被引入输送管并通过延伸的连接器和喷射器迅速地通过燃料吹扫。 为了在高温条件下改善发动机起动运转,燃料喷射期间延长,使得燃料中的蒸气或空气通过喷射器被清除。 一旦检测到发动机的初始爆炸,燃料喷射期间的延长就终止。
    • 8. 发明授权
    • Intake control device for internal combustion engine
    • 内燃机进气控制装置
    • US07707991B2
    • 2010-05-04
    • US12068492
    • 2008-02-07
    • Hiroaki MiyanagaKazushi NakashimaKatsuhiko Nakabayashi
    • Hiroaki MiyanagaKazushi NakashimaKatsuhiko Nakabayashi
    • F02D1/00F02N1/00
    • F02B31/04F02B17/005F02B23/10F02B2023/106Y02T10/125Y02T10/146
    • An intake control device of an internal combustion engine in which an intake path of each cylinder is partitioned into an upper and a lower path and a tumble control valve and an intake pressure control valve are provided to open/close the upper path and lower path respectively. In a given driving condition, the intake air flow velocity in the lower path is increased by closing the tumble control valve, thereby generating a tumble flow in the combustion chamber. In this process, the intake pressure control valve is opened around start of an intake stroke and closed around its end to make intake pressure downstream of the intake pressure control valve higher than upstream of it to increase the difference between upstream and downstream intake pressures in the intake stroke. This increases the intake air flow velocity in the lower path and intensifies the tumble flow in the combustion chamber.
    • 一种内燃机的进气控制装置,其中每个气缸的进气通道分为上下路径,翻转控制阀和进气压力控制阀分别设置以分别打开/关闭上部路径和下部通道 。 在给定的驾驶条件下,通过关闭翻转控制阀来增加下路径中的进气流速,从而在燃烧室中产生翻滚流。 在该过程中,进气压力控制阀在进气冲程开始周围打开并且在其末端封闭,使进气压力控制阀下游的进气压力高于其上游,以增加上游和下游进气压力之间的差异 进气冲程 这增加了下部路径中的进气流动速度并加剧了燃烧室中的滚筒流动。
    • 9. 发明申请
    • INTAKE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
    • 内燃机控制装置
    • US20080190393A1
    • 2008-08-14
    • US12068492
    • 2008-02-07
    • Hiroaki MiyanagaKazushi NakashimaKatsuhiko Nakabayashi
    • Hiroaki MiyanagaKazushi NakashimaKatsuhiko Nakabayashi
    • F02B17/00
    • F02B31/04F02B17/005F02B23/10F02B2023/106Y02T10/125Y02T10/146
    • An intake control device of an internal combustion engine in which an intake path of each cylinder is partitioned into an upper and a lower path and a tumble control valve and an intake pressure control valve are provided to open/close the upper path and lower path respectively. In a given driving condition, the intake air flow velocity in the lower path is increased by closing the tumble control valve, thereby generating a tumble flow in the combustion chamber. In this process, the intake pressure control valve is opened around start of an intake stroke and closed around its end to make intake pressure downstream of the intake pressure control valve higher than upstream of it to increase the difference between upstream and downstream intake pressures in the intake stroke. This increases the intake air flow velocity in the lower path and intensifies the tumble flow in the combustion chamber.
    • 一种内燃机的进气控制装置,其中每个气缸的进气通道分为上下路径,翻转控制阀和进气压力控制阀分别设置以分别打开/关闭上部路径和下部通道 。 在给定的驾驶条件下,通过关闭翻转控制阀来增加下路径中的进气流速,从而在燃烧室中产生翻滚流。 在该过程中,进气压力控制阀在进气冲程开始周围打开并且在其末端封闭,使进气压力控制阀下游的进气压力高于其上游,以增加上游和下游进气压力之间的差异 进气冲程 这增加了下部路径中的进气流动速度并加剧了燃烧室中的滚筒流动。