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    • 7. 发明授权
    • Light source device
    • 光源装置
    • US06483239B1
    • 2002-11-19
    • US09762301
    • 2001-02-08
    • Kiyoyuki KabukiYoichiro HigashimotoToshiyuki SugaMasashi Nakayama
    • Kiyoyuki KabukiYoichiro HigashimotoToshiyuki SugaMasashi Nakayama
    • H01J1704
    • H01J61/025H01J61/35H01J61/86
    • A light source device including a short arc discharge lamp having a pair of opposed electrodes within a light emitting bulb of a discharge container, and a concave reflector having an optical axis arranged to coincide with a direction of an arc produced by the electrodes when the discharge lamp is activated. The electrodes are spaced from each other at a distance of 4.0 mm or less and the light emitting bulb has an inner surface and an outer surface which, at least in a specific portion, have substantially spherical surfaces with a center of curvature which is at a center of the arc. The specific portion is located in front of a critical line that passes through the light emitting bulb, the specific portion being an angle having an apex at the center of the arc. The concave reflector has an optical axis that is at least 3 sr in front of a plane which passes through the center of the arc and perpendicular to the optical axis of the concave reflector.
    • 一种光源装置,包括在放电容器的发光灯泡内具有一对相对电极的短弧放电灯,以及具有光轴的凹面反射器,所述光反射器具有与电极产生的电弧方向一致的放电灯 灯被激活。 电极彼此间隔4.0mm或更小,发光灯泡具有内表面和至少在特定部分具有大致球形表面的外表面,曲面中心处于 圆弧的中心。 特定部分位于通过发光灯泡的临界线的前面,特定部分是具有在圆弧中心的顶点的角度。 凹面反射体的光轴在穿过圆弧的中心并且垂直于凹面反射体的光轴的平面的前方至少为3弧度。
    • 8. 发明授权
    • Spark plug heater control system for internal combustion engine
    • 内燃机火花塞加热器控制系统
    • US5230309A
    • 1993-07-27
    • US974024
    • 1992-11-10
    • Toshiyuki SugaHiroki KodamaShinichi KitajimaYoshihiko Kobayashi
    • Toshiyuki SugaHiroki KodamaShinichi KitajimaYoshihiko Kobayashi
    • F02B1/04F02N19/08F02P13/00H01T13/18
    • F02N19/08F02P13/00H01T13/18F02B1/04
    • A system for controlling heater mounted on a spark plug which ignites the air-fuel mixture in the combustion chamber of an internal combustion chamber. The heater-on time is determined such that it decreases with increasing engine temperature and increasing alcohol concentration. Current supplied to the heater is also determined such that it increases with increasing alcohol concentration and decreases with increasing engine temperature. Therefore, droplets at the spark plug caused by high alcohol concentration fuel can be removed while eliminating carbon fouling. The engine startablity can thus been improved without shorting the service life of the spark plug. Moreover, fuel injection amount is reduced so as not another fuel be deposited on a droplet fuel which is still being present. The heater is furthermore kept off when a starter motor is turning to supply sufficient power to the motor.
    • 一种用于控制安装在火花塞上的加热器的系统,该火花塞点燃内燃室的燃烧室中的空气燃料混合物。 加热器开启时间被确定为随着发动机温度的升高和酒精浓度的增加而减小。 供应给加热器的电流也被确定为随着酒精浓度的增加而增加,并随着发动机温度的升高而降低。 因此,可以除去高酒精浓度燃料引起的火花塞处的液滴,同时消除碳污染。 因此可以改善发动机的起动性,而不会使火花塞的使用寿命短暂。 此外,燃料喷射量减少,从而不会将另外的燃料沉积在仍然存在的液滴燃料上。 此外,当起动电动机转动以向电动机提供足够的动力时,加热器进一步保持关闭。