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    • 4. 发明授权
    • Fuel injection system for internal combustion engine
    • 内燃机燃油喷射系统
    • US4387429A
    • 1983-06-07
    • US191244
    • 1980-02-22
    • Teruo YamauchiMamoru FujiedaYoshishige Oyama
    • Teruo YamauchiMamoru FujiedaYoshishige Oyama
    • F02D41/18F02D41/34F02D5/02F02M51/00G05B15/02
    • F02D41/345F02D41/187Y02T10/44
    • A fuel injection system injects fuel to an internal combustion engine having a plurality of cylinders by means of a single fuel injector. For a four cylinder engine in which the suction stroke is repeated in the order of first, third, fourth and second cylinders, the single fuel injector responds to a control signal from a control system to initiate a single-shot injection upon the suction strokes of the first and the fourth cylinders. The fuel injection initiating timing as well as the injecting duration are arithmetically determined by a CPU a and ROM of the control system on the basis of the signals representative of operating conditions of the engine available from a hot-wire sensor, a crank angle detector, a temperature sensor, an O.sub.2 -sensor and supplied to the single fuel injector. The cylinders to which the fuel is to be injected are changed over from the first and fourth cylinders to the second and the third cylinders by the CPU in response to the signal output from the O.sub.2 -sensor.
    • PCT No.PCT / JP79 / 00191 Sec。 371日期1980年2月22日 102(e)1980年2月22日PCT申请1979年7月20日PCT公布。 公开号WO80 / 00267 日期1980年2月21日。燃料喷射系统通过单个燃料喷射器向具有多个气缸的内燃机喷射燃料。 对于四缸发动机,其中吸入冲程按照第一,第三,第四和第二气缸的顺序重复,单个燃料喷射器响应来自控制系统的控制信号,以在吸入行程上的单次喷射 第一和第四缸。 燃料喷射启动时间以及喷射持续时间由控制系统的CPU a和ROM基于代表从热线传感器可用的发动机的操作条件的信号,曲轴角度检测器, 温度传感器,O2传感器,并提供给单个燃料喷射器。 要从燃料喷射的气缸响应于从O2传感器输出的信号,由CPU从第一和第四气缸切换到第二和第三气缸。