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    • 6. 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。
    • 9. 发明授权
    • Hot wire gas flow sensor
    • 热线气体流量传感器
    • US06568261B1
    • 2003-05-27
    • US09688585
    • 2000-10-16
    • George SaikalisShigeru OhoTakashi Kadohiro
    • George SaikalisShigeru OhoTakashi Kadohiro
    • G01E168
    • G01F1/698
    • An improved hot wire gas flow sensor is disclosed having a housing with a passageway in series with a passageway through which the gas flow is measured. The housing includes both a hot wire and cold wire disposed within the passageway. A current circuit maintains the temperature differential between the hot wire and cold wire preferably in the range of 30° C. to 100° C. by varying the current flow through the hot wire. Current limiting circuitry is then utilized to limit the current flow through the hot wire and thus the temperature of the hot wire in order to prevent possible combustion of the gas in the passageway. Additionally, a current augmenting circuit augments the current flow through the hot wire for a limited period of time following the electrical energization of the flow sensor in order to provide rapid heat up of the hot wire in the hot wire sensor. Improvements are also disclosed for fluidly sealing the electrical leads to both the hot wire and cold wire to prevent gas leakage from the sensor.
    • 公开了一种改进的热线气体流量传感器,其具有壳体,该壳体具有与测量气体流量的通道串联的通道。 壳体包括设置在通道内的热丝和冷线。 电流电路通过改变通过热丝的电流来保持热丝和冷丝之间的温差优选在30℃至100℃的范围内。 然后使用限流电路来限制通过热丝的电流,从而限制热丝的温度,以防止气体在通道中可能的燃烧。 此外,电流增加电路在流量传感器的电通电之后增加通过热丝的电流持续一段有限的时间,以便提供热丝传感器中的热丝的快速加热。 还公开了用于将电引线流体地密封到热丝和冷丝两者上以防止气体从传感器泄漏的改进。
    • 10. 发明授权
    • EMI energy absorber
    • EMI能量吸收器
    • US06274951B1
    • 2001-08-14
    • US09305699
    • 1999-05-05
    • George SaikalisShigeru Oho
    • George SaikalisShigeru Oho
    • H05K900
    • H01Q17/00
    • An EMI energy absorber for use with an electrical circuit, such as a hot wire air flow sensor, which has at least one electrical element which exhibits antenna characteristics at a predetermined frequency range for the EMI. The energy absorber includes a component, such as a ferrite bead, which is electrically connected in series with the element of the electrical circuit. This component exhibits a resistance which varies as a function of frequency and has a maximum resistance within the predetermined frequency range. Thus, the component functions to absorb the EMI and dissipate the EMI as heat.
    • 一种用于电路的EMI能量吸收器,例如热线空气流量传感器,其具有至少一个在EMI的预定频率范围内呈现天线特性的电气元件。 能量吸收器包括与电路元件串联电连接的部件,例如铁氧体磁珠。 该分量表现出作为频率的函数而变化的电阻,并且在预定频率范围内具有最大电阻。 因此,组件起到吸收EMI和散热作为热的作用。