用于真空吸尘器，便于清洁过滤器。
专利摘要
公开了一种真空吸尘器2，其具有壳体4，壳体4具有入口12和出口54。致动电机46使风扇将空气从出口54排出，风扇上游产生的吸力将脏空气通过入口12吸入并穿过过滤元件22的壁向内吸入。为了清洁过滤元件22，使用者通过抓握部分32提起盖子24，然后移除过滤元件22和灰尘收集室16。由于灰尘收集室16的中心部分升高，被困在过滤元件22外表面上的灰尘倾向于落入槽区域40、42，并避免落入出口38。如果电机46在过滤元件22被移除时意外致动，打开的盖子24提供的开口比入口12更靠近出口38，因此来自大气相对清洁的空气优先于来自入口12的脏空气进入凹部36，从而最小化电机46被灰尘损坏的风险。
Original abstractA vacuum cleaner 2 having a housing 4 having an inlet 12 and an outlet 54 is disclosed. Actuation of a motor 46 causes a fan to displace air out of outlet 54 , and the resulting suction upstream of the fan draws dirty air through inlet 12 and inwardly through walls of filter element 22 . In order to clean the filter element 22 , the user lifts lid 24 by means of gripping portion 32 , and then removes filter element 22 and dirt collection chamber 16 . Because the central portion of the dirt collection chamber 16 is raised, dirt trapped on the outer surface of filter element 22 has a tendency to fall into trough regions 40, 42 and avoids falling into outlet 38 . If the motor 46 should accidentally be actuated when the filter element 22 is removed, the opening provided by opened lid 24 is nearer to outlet 38 than inlet 12 , as a result of which relatively clean air from the atmosphere passes into recess 36 in preference to dirty air from the inlet 12 , thus minimizing the risk of the motor 46 being damaged by dirt.
专利附图（8）
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