Invention Grant
US09573170B2 Method of manufacturing a vacuum steam cleaning apparatus 有权
制造真空蒸汽清洗装置的方法

Method of manufacturing a vacuum steam cleaning apparatus
Abstract:
A method of manufacturing a cleaning apparatus may include forming a plurality of apertures in an inner wall of a cleaning head having an annular steam chamber open at a lower edge and enclosing a vacuum chamber. The apertures may fluidly couple the annular steam chamber to the vacuum chamber. The method may include locating the plurality of apertures in vertically spaced relation to the lower edge of the cleaning head. The method may additionally include providing a steam nozzle fluidly coupled to the annular steam chamber.
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