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    • 3. 发明授权
    • Self-relieving choke valve system for a combustion engine carburetor
    • 用于燃烧发动机化油器的自救式节流阀系统
    • US06851664B2
    • 2005-02-08
    • US10438641
    • 2003-05-15
    • Bryan K. GanglerDonald W. Warner
    • Bryan K. GanglerDonald W. Warner
    • F02M1/02F02M1/14
    • F02M1/14
    • A self-relieving choke valve system for a carburetor of a combustion engine automatically opens a choke valve after a successful engine start up and permits the choke valve to automatically close when the engine is shut down. The self-relieving choke valve system is preferably passive in nature and preferably self contained to the carburetor. It has a vacuum motor which preferably receives a vacuum signal from a vacuum source derived from the operating engine to open the choke valve. A lost motion linkage of the self-relieving choke valve system permits the choke valve to fluctuate between a closed position and a slightly open engine start up position without any intervention by the vacuum motor while the engine is being started.
    • 发动机起动后,内燃机的化油器的自救式节流阀系统自动打开节流阀,并允许在发动机关闭时阻塞阀自动关闭。 自放电阻流阀系统本质上是被动的,并且优选地自身包含在化油器中。 它具有真空马达,其优选地从来自操作发动机的真空源接收真空信号以打开阻流阀。 自救式节流阀系统的空转联动装置允许阻塞阀在发动机起动之前没有任何真空电机的干预而在闭合位置和稍微打开的发动机启动位置之间波动。
    • 4. 发明授权
    • Self-relieving choke adjustment apparatus
    • US06779785B2
    • 2004-08-24
    • US10205385
    • 2002-07-25
    • Donald W. Warner
    • Donald W. Warner
    • F02M114
    • F02M1/02F02D9/10F02D2009/0244F02D2009/0264
    • A self-relieving choke adjustment apparatus for an internal combustion engine carburetor including a choke valve body and a choke mixing passage formed in the valve body. A choke plate is supported in the mixing passage for pivotal motion about a parallel choke plate axis between an open position and a closed position, such that airflow through the mixing passage tends to rotate the choke plate toward the open position. A rotary biasing element is connected between the choke plate and the choke body and applies a torque biasing the choke plate toward its closed position. The apparatus also includes a choke adjustment lever supported for pivotal motion relative to the choke plate about the choke plate axis and rotationally engaging the biasing element such that lever rotation against the biasing force of the biasing element causes the biasing torque applied to the choke plate by the biasing element to increase thus increasing the amount of airflow required to rotate the choke plate out of its closed position and decreasing the number of degrees the choke plate will be forced open by a given amount of airflow through the mixing chamber.
    • 5. 发明授权
    • Dual fuel feed system carburetor
    • 双燃料进料系统化油器
    • US07007930B1
    • 2006-03-07
    • US10720359
    • 2003-11-24
    • Donald W. Warner
    • Donald W. Warner
    • F02M7/04
    • F02M7/04F02M13/06F02M17/22F02M23/12F02M29/04F02M2700/4376Y02T10/146Y10S261/82
    • A carburetor dual fuel feed system has a primary passage for flowing fuel into a venturi of a fuel-and-air mixing passage, and a supplemental channel flowing fuel into a mixing passage upstream region. Sizing of the primary passage and channel with respect to pressure dynamics of each region disassociates low from high power engine fuel calibration. This disassociation ultimately achieves a leaner fuel-and-air mixture flow during low power conditions which reduces carbon monoxide emissions, and achieves a richer mixture flow during high engine power conditions which reduces NOx emissions. During low engine power conditions, substantially all of the fuel which mixes with clean air flowing through the venturi of the mixing passage flows from the primary passage. During high engine power conditions, supplemental fuel flow into the mixing passage is induced by a vacuum created about a nozzle of the channel.
    • 化油器双燃料供给系统具有用于将燃料流入燃料和空气混合通道的文丘里管的主通道和将燃料流入混合通道上游区域的补充通道。 相对于每个区域的压力动力学,主通道和通道的尺寸与大功率发动机燃料校准分离。 这种分离最终在低功率条件下最终实现了更稀薄的燃料和空气混合物流,这减少了一氧化碳排放,并且在高发动机功率条件下实现了更丰富的混合物流,这降低了NOx排放。 在低发动机功率条件下,与混合通道的文丘里管流动的清洁空气混合的基本上所有的燃料从主通道流出。 在高发动机功率条件下,通过在通道的喷嘴周围产生的真空引起补充燃料流入混合通道。
    • 7. 发明授权
    • Carburetor with a fuel shut off solenoid
    • 化油器与燃油关闭电磁阀
    • US06401685B1
    • 2002-06-11
    • US09776443
    • 2001-02-02
    • Donald W. Warner
    • Donald W. Warner
    • F02M712
    • F02M7/12
    • A fuel shut off solenoid device of a carburetor has a solenoid chamber which typically fills with fuel. When the solenoid device is energized, fuel flows from a fuel chamber into a mixing passage of the carburetor to mix with air. During the energized state, heat from the solenoid tends to vaporize the fuel within the solenoid chamber. Also when energized, the solenoid device is held in a retracted position whereby a head at a distal end of the shaft mates with or seals to a washer which in turn seals to an upward face of the encasement of the fuel shut off solenoid device. Thus the potential migration of large vapor bubbles from the solenoid chamber to the mixing passage of the carburetor is eliminated, providing a smoother idling or running engine at light loads.
    • 化油器的燃料切断螺线管装置具有通常充满燃料的螺线管室。 当螺线管装置通电时,燃料从燃料室流入化油器的混合通道,与空气混合。 在通电状态期间,来自螺线管的热量趋于使电磁阀室内的燃料蒸发。 此外,当通电时,螺线管装置被保持在缩回位置,由此轴的远端处的头部与垫圈配合或密封,垫圈进一步密封到燃料切断螺线管装置的外壳的向上的表面。 因此,消除了大气泡从电磁阀到化油器的混合通道的潜在迁移,从而在轻负载下提供更平滑的空转或运行的发动机。