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71. 发明授权

US4242992A Internal combustion engine with fuel injectors 失效
标题翻译：带燃油喷射器的内燃机
公开(公告)号：US4242992A
公开(公告)日：1981-01-06
申请号：US949060
申请日：1978-10-06
申请人： Yoshihisa Kawamura , Masaaki Saito
发明人： Yoshihisa Kawamura , Masaaki Saito
IPC分类号： F02D41/34 , F02D3/00 , F02D41/00 , F02D41/04 , F02D41/06 , F02D41/08 , F02D41/18 , F02D41/36 , F02M51/02 , F02M69/00 , F02M69/04 , F02B3/00
CPC分类号： F02M69/044 , F02D41/0087 , F02D41/182 , F02M69/00
摘要： Main and auxiliary fuel injectors are installed at an intake passageway connectable to the cylinders of the engine. Only the main fuel injector is operated to inject fuel therefrom during a relatively low load engine operation, and both the main and auxiliary fuel injectors are operated to inject fuel therefrom during a relatively high load engine operation.
摘要翻译：主燃料喷射器和辅助燃料喷射器安装在可连接到发动机气缸的进气通道上。在相对较低负载的发动机运转期间，只有主燃料喷射器被操作以从其中喷射燃料，并且在相对较高的负载发动机运行期间，主燃料喷射器和辅助燃料喷射器都被操作以从其喷射燃料。

72. 发明授权

US4173956A Closed loop fuel control in accordance with sensed engine operational condition 失效
标题翻译：根据感测到的发动机运行状况，闭环燃料控制
公开(公告)号：US4173956A
公开(公告)日：1979-11-13
申请号：US852352
申请日：1977-11-17
申请人： Kenji Ikeura , Masaaki Saito , Michiyoshi Yamane
发明人： Kenji Ikeura , Masaaki Saito , Michiyoshi Yamane
IPC分类号： F02D41/14 , F02D35/00 , F02M7/24 , F02M7/14
CPC分类号： F02D35/0061
摘要： An engine operational condition detector detects a mode among several modes, such as an idling state, a steady state and an accelerating state, where a signal is utilized for selectively actuating one of several integrators, each of which has a predetermined time-constant. One of the integrators, when actuated, integrates an output signal of a P-I controller of a closed loop fuel control system, the integrated signal being stored in a capacitor connected across the integrator. Electromagnetic valves disposed in the openings of main air-bleeds of main and slow circuits of a carburetor are energized in accordance with the output signal of each integrator while other electromagnetic valves disposed in the openings of auxiliary air-bleeds of the same are energized in dependence on the output signal of the P-I controller.
摘要翻译：发动机操作条件检测器检测诸如怠速状态，稳态和加速状态的几种模式中的模式，其中使用信号来选择性地致动多个积分器中的一个，其中每一个具有预定的时间常数。其中一个积分器在被驱动时，集成了闭环燃料控制系统的P-I控制器的输出信号，该积分信号被存储在跨越积分器的电容器中。设置在化油器的主要和慢速回路的主要空气出口的开口中的电磁阀根据每个积分器的输出信号被激励，而其中设置在辅助空气出口的开口中的其他电磁阀依次通电对PI控制器的输出信号。

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