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    • 2. 发明授权
    • Submerged motor and pump assembly
    • 潜水电机和泵组件
    • US07513755B2
    • 2009-04-07
    • US10883229
    • 2004-07-01
    • Penrod GeisingerMark C. JohnsonJason L. AddinkScott D. KlopfensteinGregory E. Young
    • Penrod GeisingerMark C. JohnsonJason L. AddinkScott D. KlopfensteinGregory E. Young
    • F04B17/03F01D25/24F03B11/08
    • F04D29/605F04D13/086F04D29/183
    • An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel into an annular passageway surrounding the stator of the motor. Further passageways convey the fuel to an annular passageway defined between the pipe and the conduit for discharge external of the storage tank. A low pressure environment attendant the inflow of the fuel is used to channel fuel for lubrication and cooling purposes to a lower journal bearing and thrust bearing supporting a common shaft for the impeller and the motor. A high pressure environment attendant outflow of fuel is used to channel fuel for lubrication and cooling purposes to a journal bearing supporting the upper end of the shaft.
    • 在线电机和泵组件通过管道和内部同心导管支撑在燃料储罐的底部,用于容纳在其中延伸到电动机的电导体。 与电动机的转子同轴的叶轮将燃料吸入围绕电动机定子的环形通道中。 另外的通道将燃料传送到限定在管道和管道之间的环形通道,用于在储罐外部排放。 用于燃料流入的低压环境用于将燃料用于润滑和冷却目的,以将下轴颈轴承和推力轴承支撑在叶轮和电动机的公共轴上。 燃料的高压环境伴随的流出被用于将燃料用于润滑和冷却目的,用于支撑轴的上端的轴颈轴承。