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    • 3. 发明授权
    • Combustion heater system for motor vehicles
    • 汽车燃烧加热器系统
    • US5480093A
    • 1996-01-02
    • US216888
    • 1994-03-24
    • Toru TochizawaToshikatsu Takanohashi
    • Toru TochizawaToshikatsu Takanohashi
    • B60H1/22F23N5/02F23N5/20
    • B60H1/2206F23N5/203B60H2001/2256F23N2021/04F23N2023/08F23N2025/13F23N2027/02F23N2027/36F23N2029/16F23N2033/06F23N2035/14F23N2035/16F23N2041/14F23N5/02
    • A combustion heater system for use in a moter vehicle has a combustion chamber housing a combustion pad which is heated by a pre-glow plug for vaporizing a fuel that is supplied from a fuel tank through a solenoid-operated valve to the combustion pad. The combustion chamber is supplied with air from a fan, and houses a spark plug for producing sparks in the combustion chamber to ignite a fuel vapor emitted from the combustion pad. The combustion heater system has a control unit which energizes the pre-glow plug to heat the combustion pad, actuates the solenoid-operated valve to supply the fuel to the combustion pad, and actuates the fan to supply air to the combustion chamber. The control unit subsequently energizes the spark plug to produce sparks upon elapse of a preset period of time hereby to ignite the fuel vapor emitted from the combustion pad for producing flames in the combustion chamber. To extinguish the flames, the control unit inactivates the solenoid-operated valve to stop supplying the fuel to the combustion pad and subsequently inactivates the fan to stop supplying air to the combustion chamber.
    • 用于运动车辆的燃烧加热器系统具有容纳燃烧垫的燃烧室,燃烧垫被预热塞加热,用于将从燃料箱通过电磁阀提供的燃料蒸发到燃烧垫。 向燃烧室供给来自风扇的空气,并且容纳用于在燃烧室中产生火花的火花塞以点燃从燃烧垫排出的燃料蒸气。 燃烧加热器系统具有控制单元,该控制单元激励预热塞以加热燃烧垫,致动电磁阀以将燃料供应到燃烧垫,并致动风扇以将空气供应到燃烧室。 控制单元随后激励火花塞,以在经过预定时间段后产生火花,从而点燃从燃烧垫排出的燃料蒸汽,用于在燃烧室中产生火焰。 为了熄灭火焰,控制单元使电磁阀停用,以停止向燃烧垫供应燃料,随后使风扇停用,以停止向燃烧室供应空气。
    • 9. 发明授权
    • Exhaust emission control system for internal combustion engine
    • 内燃机废气排放控制系统
    • US06629408B1
    • 2003-10-07
    • US09685571
    • 2000-10-11
    • Akira MurakamiMistuo HashizumeKotaro MiyashitaToshikatsu TakanohashiYuichiro TanabeAkira Hashimoto
    • Akira MurakamiMistuo HashizumeKotaro MiyashitaToshikatsu TakanohashiYuichiro TanabeAkira Hashimoto
    • F01N300
    • F01N3/0842F01N11/007F01N2550/03F01N2570/04F01N2900/0422F02D41/028Y02T10/47
    • An exhaust emission control system for an internal combustion engine, having a nitrogen oxide removing device provided in an exhaust system of the internal combustion engine for absorbing nitrogen oxides contained in exhaust gases in an exhaust lean condition. The exhaust emission control system includes first and second oxygen concentration sensors respectively provided upstream and downstream of the nitrogen oxide removing device for detecting an oxygen concentration in the exhaust gases. The air-fuel ratio of an air-fuel mixture to be supplied to the engine is changed from a lean region to a rich region with respect to a stoichiometric ratio. An amount of reducing components flowing into the nitrogen oxide removing device from the time when an output value from the first oxygen concentration sensor has changed to a value indicative of a rich air-fuel ratio after enrichment of the air-fuel ratio is calculated. Deterioration of the nitrogen oxide removing device is determined according to the calculated amount of reducing components and an output value from the second oxygen concentration sensor.
    • 一种用于内燃机的排气排放控制系统,其具有设置在内燃机的排气系统中的氮氧化物去除装置,用于吸收排气贫化状态下的废气中所含的氮氧化物。 废气排放控制系统包括分别设置在氮氧化物去除装置的上游和下游的用于检测废气中的氧浓度的第一和第二氧浓度传感器。 供给到发动机的空气燃料混合物的空燃比相对于化学计量比从贫区变为浓区。 计算从第一氧浓度传感器的输出值变为表示浓缩空燃比后的浓空燃比的值时流入氮氧化物除去装置的还原成分的量。 根据计算出的还原成分量和来自第二氧浓度传感器的输出值,确定氮氧化物除去装置的劣化。
    • 10. 发明授权
    • Exhaust emission control system for internal combustion engine
    • 内燃机废气排放控制系统
    • US06338243B1
    • 2002-01-15
    • US09652022
    • 2000-08-31
    • Nobuaki TakaokaToshikatsu Takanohashi
    • Nobuaki TakaokaToshikatsu Takanohashi
    • F01N300
    • F01N3/0842F01N3/0814F01N3/0871F01N11/007F01N2550/02F01N2550/03F01N2900/0422F02D41/0235F02D41/1441F02D41/1456F02D41/1474Y02T10/22Y02T10/47
    • An exhaust emission control system for a nitrogen oxide removing device, the control system having a first oxygen concentration sensor provided upstream of the nitrogen oxide removing device, a second oxygen concentration sensor provided downstream of the nitrogen oxide removing device. A first response delay time period from the time when the output value from the first oxygen concentration sensor has changed to a value indicative of a rich air-fuel ratio to the time when the output value from the second oxygen concentration sensor becomes a value indicative of a rich air-fuel ratio is measured. A second response delay time period from the time when the output value from the first oxygen concentration sensor has changed to a value indicative of a lean air-fuel ratio, to the time when the output value from the second oxygen concentration sensor becomes a value indicative of a lean air-fuel ratio is measured. Deterioration of the nitrogen oxide removing device is determined according to the first and second response delay time periods.
    • 一种用于氮氧化物去除装置的废气排放控制系统,所述控制系统具有设置在所述氮氧化物除去装置的上游的第一氧浓度传感器,设置在所述氮氧化物除去装置的下游的第二氧浓度传感器。 从第一氧浓度传感器的输出值变为表示浓空燃比的值到从第二氧浓度传感器的输出值变为表示浓度的值时的第一响应延迟时间 测量浓空燃比。 从第一氧浓度传感器的输出值变为指示稀空燃比的值时的第二响应延迟时间到第二氧浓度传感器的输出值成为指示值 测量稀空燃比。 根据第一和第二响应延迟时间段确定氮氧化物去除装置的恶化。