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    • 9. 发明授权
    • Cordless vacuum cleaner
    • 无绳吸尘器
    • US4011624A
    • 1977-03-15
    • US607637
    • 1975-08-25
    • Mark Anton Proett
    • Mark Anton Proett
    • A47L5/24
    • A47L5/24
    • A battery-operated vacuum cleaner is described which includes a first module including a source of power such as a plurality of battery cells and a second module including a motor, fan, filter and dirt receptacle. The first module may alternatively include means for attachment thereof to a car battery. The motor, fan and filter combination are designed for maximum efficiency so as to provide good cleaning capability with minimum battery drain. The intake portion of the tool is designed, in accord with the particular teachings of this invention, to provide maximum cleaning capability.
    • 描述了一种电池操作的真空吸尘器,其包括包括诸如多个电池单体的电力源的第一模块和包括电动机,风扇,过滤器和污物容器的第二模块。 第一模块可以替代地包括用于将其附接到汽车电池的装置。 电机,风扇和过滤器组合设计的最大效率,以提供良好的清洁能力,最小的电池排水。 根据本发明的具体教导,该工具的进气部分被设计成提供最大的清洁能力。