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    • 3. 发明授权
    • Cooling system for internal combustion engine
    • 内燃机冷却系统
    • US08695541B2
    • 2014-04-15
    • US13403034
    • 2012-02-23
    • Michio NishikawaTakeo MatsumotoMitsuo HaraMitsunobu Uchida
    • Michio NishikawaTakeo MatsumotoMitsuo HaraMitsunobu Uchida
    • F01P7/14
    • F01P3/02F01P2003/027F01P2037/00
    • During engine warm-up, a flow regulating unit in a cooling system operates in a fuel efficiency priority mode. In this mode, a head-side cooling water flow rate (Qhd) is regulated to be equal to or smaller than a first upper limit; a block-side cooling water flow rate (Qbk) is regulated to be equal to or smaller than a second upper limit; and cooling water flowing out of a block-side passage and a head-side passage flows mainly into a bypass passage. When a heating request to heat blown air is made during engine warm-up, the regulating unit operates in a heating priority mode. In this mode, Qhd is regulated to be equal to or smaller than a third upper limit; Qbk is regulated to be equal to or smaller than a fourth upper limit; and at least cooling water flowing out of the head-side passage flows into a heat exchanger.
    • 在发动机预热期间,冷却系统中的流量调节单元以燃料效率优先模式运行。 在该模式中,头侧冷却水流量(Qhd)被调节为等于或小于第一上限; 块侧冷却水流量(Qbk)被调节为等于或小于第二上限; 并且从块侧通路和头侧通路流出的冷却水主要流入旁路通路。 当在发动机预热期间对加热吹送空气进行加热请求时,调节单元以加热优先模式工作。 在这种模式下,Qhd被调节为等于或小于第三个上限; Qbk被调节为等于或小于第四上限; 并且至少从头侧通道流出的冷却水流入热交换器。
    • 5. 发明授权
    • Throttle valve control for internal combustion engine
    • 内燃机节流阀控制
    • US5492095A
    • 1996-02-20
    • US295426
    • 1994-08-25
    • Mitsuo HaraShigeru Kamio
    • Mitsuo HaraShigeru Kamio
    • F02D9/02F02D11/10F02D29/02F02D31/00F02D41/08F02D41/24F02D9/10
    • F02D41/28F02D31/004F02D11/106F02D2011/102
    • A throttle valve control apparatus for internal combustion engine stabilizes the engine speed in idle operation by always correcting the full closing reference position in ISC using a single throttle valve. Signals of a neutral position signal, air conditioner signal, electrical load signal, accelerator position signal, engine speed, and water temperature are inputted to a CPU in an electronic control unit via an input circuit. The CPU calculates such a throttle opening as to make the actual speed of the internal combustion engine in idle operation equal to a target speed in idle operation stored beforehand, compares the throttle opening with preset upper limit value and lower limit value of the throttle opening in idle operation, and corrects the full closing reference position of the throttle opening on the basis of the result of comparison. As a result, the full closing reference position in the throttle opening of the throttle valve is always corrected.
    • 用于内燃机的节流阀控制装置通过使用单个节流阀总是校正ISC中的全关闭基准位置来稳定怠速运转中的发动机转速。 中性位置信号,空调信号,电气负载信号,加速器位置信号,发动机转速和水温的信号通过输入电路输入到电子控制单元中的CPU。 CPU计算出这样的节气门开度,以使怠速运行中的内燃机的实际速度等于预先存储的怠速运转中的目标速度,将节气门开度与节气门开度的预设上限值和下限值进行比较 基于比较结果来校正节气门开度的全闭合基准位置。 结果,总是校正节气门的节气门开度中的完全关闭基准位置。
    • 7. 发明申请
    • COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE
    • 内燃机冷却系统
    • US20120210954A1
    • 2012-08-23
    • US13403034
    • 2012-02-23
    • Michio NISHIKAWATakeo MatsumotoMitsuo HaraMitsunobu Uchida
    • Michio NISHIKAWATakeo MatsumotoMitsuo HaraMitsunobu Uchida
    • F01P7/14F01P11/00F01P3/00
    • F01P3/02F01P2003/027F01P2037/00
    • During engine warm-up, a flow regulating unit in a cooling system operates in a fuel efficiency priority mode. In this mode, a head-side cooling water flow rate (Qhd) is regulated to be equal to or smaller than a first upper limit; a block-side cooling water flow rate (Qbk) is regulated to be equal to or smaller than a second upper limit; and cooling water flowing out of a block-side passage and a head-side passage flows mainly into a bypass passage. When a heating request to heat blown air is made during engine warm-up, the regulating unit operates in a heating priority mode. In this mode, Qhd is regulated to be equal to or smaller than a third upper limit; Qbk is regulated to be equal to or smaller than a fourth upper limit; and at least cooling water flowing out of the head-side passage flows into a heat exchanger.
    • 在发动机预热期间,冷却系统中的流量调节单元以燃料效率优先模式运行。 在该模式中,头侧冷却水流量(Qhd)被调节为等于或小于第一上限; 块侧冷却水流量(Qbk)被调节为等于或小于第二上限; 并且从块侧通路和头侧通路流出的冷却水主要流入旁路通路。 当在发动机预热期间对加热吹送空气进行加热请求时,调节单元以加热优先模式工作。 在这种模式下,Qhd被调节为等于或小于第三个上限; Qbk被调节为等于或小于第四上限; 并且至少从头侧通道流出的冷却水流入热交换器。
    • 10. 发明授权
    • Throttle control for internal combustion engine having failure detection function
    • 具有故障检测功能的内燃机的节气门控制
    • US06199535B1
    • 2001-03-13
    • US09568137
    • 2000-05-10
    • Mitsuo Hara
    • Mitsuo Hara
    • F02D100
    • F02D11/107F02D41/0087F02D2009/0277F02D2011/102F02D2041/227F02D2200/0404F02D2200/602F02D2400/08
    • A throttle valve for an engine is disabled to be driven by an actuator by limiting a target throttle angle upper limit of a target throttle angle, when a failure is detected by an electronic control unit. Then, the target throttle angle is returned to a value used at a normal time at a restoration timing of a restoration of the system to a normal state or while the opening speed of a throttle valve at a restoration is being restrained. Thus, an abrupt opening operation of the throttle valve in response to the depression carried out by the driver on an accelerator pedal. Further, the throttle valve is driven in a limp-home operation mode by controlling the reduced number of operating cylinders of the engine. The reduced number of operating cylinders is increased or the operations of all cylinders are halted, when the engine speed rises above a predetermined value.
    • 当电子控制单元检测到故障时,通过限制目标节气门角度的目标节气门角上限来禁止由发动机驱动发动机的节气门。 然后,将目标油门角度恢复到恢复正常状态的恢复时刻的正常时刻或恢复时的节流阀的打开速度被抑制时使用的值。 因此,响应于驾驶员在加速器踏板上执行的按压,节流阀突然打开操作。 此外,通过控制发动机的工作气缸数量的减少,节气门以跛行家操作模式被驱动。 当发动机转速升高到预定值以上时,操作气缸的数量减少或所有气缸的操作停止。