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    • 1. 发明授权
    • Fuel supply system for engine
    • 发动机燃油供应系统
    • US06846212B2
    • 2005-01-25
    • US10143819
    • 2002-05-14
    • Tetsu WadaTomonori IkumaSadafumi ShidaraMakoto SakaiKazuki IshikawaNobuhiro Takahashi
    • Tetsu WadaTomonori IkumaSadafumi ShidaraMakoto SakaiKazuki IshikawaNobuhiro Takahashi
    • F02M37/00F02B61/04F02M37/20
    • F02B61/045F02M37/20F02M55/007
    • In fuel supply system for an engine in which a discharge port in a fuel pump driven by the engine to draw up fuel in a fuel tank is connected to an inlet port which is provided in a fuel reservoir and which is controlled in opening and closing by a float valve so that the fuel in the fuel reservoir is supplied to the engine, a second discharge port is provided in the fuel pump, and a second inlet port without a float valve is provided in the fuel reservoir. The second discharge port and the second inlet port are connected to each other through a control valve opened during starting of the engine. Thus, when the engine is started, fuel vapor generated in a pump chamber in the fuel pump can be discharged to the fuel reservoir having an air vent, to normalize the function of the fuel pump, leading to an enhancement in hot startability of the engine.
    • 在用于发动机的燃料供给系统中,其中由发动机驱动的燃料泵中的排出口在燃料箱中抽取燃料连接到设置在燃料储存器中的入口端口,该入口端口被开启和关闭控制 浮子阀,使得燃料储存器中的燃料被供应到发动机,在燃料泵中设置有第二排出口,并且在燃料储存器中设置没有浮阀的第二入口。 第二排出口和第二入口通过在发动机起动期间打开的控制阀相互连接。 因此,当发动机起动时,在燃料泵中的泵室中产生的燃料蒸汽可以排放到具有排气口的燃料储存器,以使燃料泵的功能正常化,从而提高发动机的热启动性 。
    • 3. 发明授权
    • Intake manifold leakage detection system of internal combustion engine
    • 内燃机进气歧管泄漏检测系统
    • US06820470B2
    • 2004-11-23
    • US10267585
    • 2002-10-10
    • Sadafumi ShidaraNobuhiro Takahashi
    • Sadafumi ShidaraNobuhiro Takahashi
    • G01L326
    • F02M35/10F02B61/045F02D11/107F02D31/005F02D41/062F02D2200/0406F02D2200/703F02M35/167
    • A system detecting leakage of an internal combustion engine having a secondary air passage, bypassing a throttle valve, at an air intake pipe connecting to the intake manifold and a secondary air control valve which regulates opening of the secondary air passage. In the system, when the changes in the absolute manifold pressure and the atmospheric pressure before and after the engine starts rotation, are small, it is determined that the intake manifold may possibly leak and should be monitored. Specifically, the opening of the secondary air passage is changed and the changes in the pressure, etc., before and after the opening is changed, are calculated and based thereon, it is determined whether the intake manifold, in fact, leaks. With this, it becomes possible to detect intake manifold leakage accurately with a simple configuration.
    • 一种检测在连接到进气歧管的进气管处,旁通节流阀的二次空气通道的内燃机的泄漏的系统和调节二次空气通道的开度的二次空气调节阀。 在该系统中,当发动机起动旋转之前和之后的绝对歧管压力和大气压力的变化较小时,确定进气歧管可能泄漏并应被监测。 具体地说,二次空气通道的打开被改变,并且在打开之前和之后改变压力等的变化,并且基于此,确定进气歧管是否实际上是泄漏的。 由此,能够以简单的结构精确地检测进气歧管泄漏。
    • 4. 发明授权
    • Oil pressure warning system for outboard motor
    • 舷外马达油压报警系统
    • US06614345B2
    • 2003-09-02
    • US09939828
    • 2001-08-28
    • Ryuichi KimataKazuhiro SatouSadafumi ShidaraNobuhiro Takahashi
    • Ryuichi KimataKazuhiro SatouSadafumi ShidaraNobuhiro Takahashi
    • B60Q100
    • F01M1/18
    • An oil pressure warning system for an outboard motor for detecting and alarming an abnormal oil pressure of an internal combustion engine, the system including a first oil pressure switch which generates an ON signal when the oil pressure is less than or equal to a first predetermined oil pressure, and a second oil pressure switch which generates an ON signal the oil pressure is less than or equal to a second predetermined oil pressure set higher than the first predetermined oil pressure. The abnormality of oil pressure is detected and alarmed based on the ON signal of the switches. The first and second predetermined oil pressures are determined based on an oil pressure characteristic of a (possible) maximum oil temperature (under which the engine has been warmed up) set relative to the engine speed, thereby ensuring to detect and alarm the abnormality of oil pressure under any engine speed and any oil temperature.
    • 一种用于检测和报警内燃机的异常油压的舷外马达的油压警告系统,该系统包括第一油压开关,当油压小于或等于第一预定油时产生ON信号 以及第二油压开关,其产生ON信号,所述油压小于或等于设定为高于所述第一预定油压的第二预定油压。 基于开关的ON信号检测并报警油压异常。 第一和第二预定油压是基于相对于发动机转速而设定的(可能的)最大油温(可能的)最高油温的油压特性来确定的,从而确保检测和报警油的异常 任何发动机转速和任何油温下的压力。
    • 6. 发明授权
    • Oil pressure switch failure detection system for outboard motor
    • 舷外马达油压开关故障检测系统
    • US06778076B2
    • 2004-08-17
    • US10028360
    • 2001-12-28
    • Sadafumi ShidaraNobuhiro Takahashi
    • Sadafumi ShidaraNobuhiro Takahashi
    • B60Q100
    • F01M1/16F01M1/20
    • An oil pressure switch failure detection system for an outboard motor, having a first oil pressure switch which generates an ON signal indicating that the oil pressure is less than or equal to a first predetermined oil pressure and a second oil pressure switch which generates an ON signal indicating that the oil pressure is less than or equal to a second predetermined oil pressure which is set higher than the first predetermined oil pressure. In the system, by discriminating whether the generated signals of the first and second oil pressure switches are equal to be expected signals expected under operating conditions of the engine, it is determined whether at least one of the first and second oil pressure switches fails. With this, it become possible to detect failure of the first and second oil pressure switches, accurately.
    • 一种用于舷外马达的油压开关故障检测系统,具有产生指示油压小于或等于第一预定油压的ON信号的第一油压开关和产生ON信号的第二油压开关 指示油压小于或等于设定为高于第一预定油压的第二预定油压。 在该系统中,通过判断第一和第二油压开关的产生的信号是否等于在发动机的运行条件下预期的预期信号,确定第一和第二油压开关中的至少一个是否失效。 由此,可以准确地检测第一和第二油压开关的故障。