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    • 1. 发明授权
    • Rotor-type carburetor apparatus and associated methods
    • 转子式化油器及相关方法
    • US4869850A
    • 1989-09-26
    • US142302
    • 1987-12-29
    • Elbert M. HubbardRudolf Diener
    • Elbert M. HubbardRudolf Diener
    • F02B1/04F02D35/00F02M1/16F02M7/08F02M7/133F02M17/16F02M69/06
    • F02M7/133F02D35/0053F02D35/0069F02M1/16F02M17/16F02M69/06F02M7/08F02B1/04Y10S261/21Y10S261/57Y10S261/61
    • An improved rotor-type carburetor for use with an internal combustion engine is provided which, in one embodiment, is adjustable to selectively vary its constant fuel-air ratio by axially moving an internal body portion thereof relative to the turbine rotor assembly of the carburetor. Alternatively, the constant fuel-air ratio of the carburetor may be altered simply by replacing such internal body portion with a differently configured one. Undesirable fuel delivery from the turbine rotor to the engine during turbine spin-down is significantly diminished through the use of an internal fuel reservoir structure, formed within the carburetor body, which functions to capture and retain unneeded fuel discharged from the rotor during turbine spin-down periods. During turbine spin-up periods (e.g., when the engine is being started) the reservoir-retained fuel is released into the engine's incoming air stream to hasten fuel delivery to the engiune during initial portions of turbine spin-up periods. Additionally, various structural improvements are incorporated into the carburetor. Included in these improvements are a carburetor body construction in which three generally annular sections are telescopingly interengaged to form the outer body of the carburetor, and the provision of improved sealing structures to better inhibit fuel leakage from the turbine rotor assembly.
    • 提供了一种用于内燃机的改进的转子式化油器,其在一个实施例中是可调节的,以通过相对于化油器的涡轮转子组件轴向移动其恒定的本体部分来选择性地改变其恒定的燃料空气比。 或者,化油器的恒定的燃料空气比可以简单地通过用不同的构造来代替这样的内部主体部分来改变。 通过使用在化油器主体内形成的内部燃料储存结构,可以显着减少在涡轮转速下从涡轮机转子到发动机的不良燃料输送,其功能是捕捉和保留在涡轮旋转期间从转子排出的不需要的燃料, 下降期 在涡轮机启动期间(例如,当发动机正在启动时),储存器保持的燃料被释放到发动机进入的空气流中,以加速在涡轮机启动期间的初始部分期间向燃油输送的燃料。 此外,各种结构改进被并入化油器。 在这些改进中包括的化油器体结构,其中三个大体上环形的部分可伸缩地相互接合以形成化油器的外部主体,并且提供改进的密封结构以更好地抑制燃料从涡轮转子组件泄漏。