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发明授权
US4657570A Air filter device 失效
空气过滤装置

Air filter device
摘要：
The present invention is directed to a device (50) for providing filtration of air. The device includes a body (70) and a cover (72) with each having endless mating structure (76) and (78) which may be welded together thereby mechanically pinching a flat sheet filter media (74) and holding it in place. The cut edge of the filter media (74) is encapsulated. The filter media (74) is held outwardly from bottom (92) of body (70) by gussets (90) to provide sufficient area for air to pass through. Inlet openings (110) are provided between top (94) and endless mating structure (78) in a fashion which allows top (94) to be attached to a flat wall of a sealed housing of a type used for disk drive systems.
摘要（中）：

本发明涉及一种用于提供空气过滤的装置（50）。 该装置包括主体（70）和盖（72），每个具有环形配合结构（76）和（78），其可以被焊接在一起，从而机械地夹持平板过滤介质（74）并将其保持在适当位置。 过滤介质（74）的切割边缘被封装。 过滤介质（74）通过角板（90）从主体（70）的底部（92）向外保持，以提供足够的空气通过面积。 入口开口（110）以允许顶部（94）附接到用于盘驱动系统的类型的密封壳体的平坦壁的方式设置在顶部（94）和环形配合结构（78）之间。

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