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发明授权
CN106865476B 一种油槽的自动通气装置 失效 - 权利终止

一种油槽的自动通气装置
摘要：
本发明公开了一种油槽的自动通气装置，包括第一浮板、第二浮板和活动阀门；第一浮板具有一通孔，通孔的周缘设有第一围阻体，第一围阻体的上设第一上凸缘；第二浮板上设有第二围阻体，第二围阻体上设有第二上凸缘；活动阀门包括一板体，板体设有外围壁与内围壁，且外围壁设有与第一上凸缘相互干涉的第一下凸缘，内围壁设有与第二上凸缘相互干涉的第二下凸缘，外围壁的上方设有第一通气孔，内围壁的上方设有第二通气孔；活动阀门覆盖于通孔的上方，使外围壁组合于第一围阻体的内径中，且内围壁组合于第二围阻体的内径中。自动通气装置可以顺利地注油或汲油；结构简单、能避免受到机械性破坏；灵敏度高、使用成本低。
摘要（英）：

An automatic aeration device includes a first floating roof, a second floating roof and a movable valve. The first floating roof has a through hole and a first enclosure. The second floating roof is disposed in the through hole and has a second enclosure. The movable valve is disposed above the first floating roof and the second floating roof and has a plate which has an outer wall and an inner wall. The outer wall is mounted in the first enclosure and has a plurality of first vent holes. The inner wall is mounted in the second enclosure and has a plurality of second vent holes. The automatic aeration device further includes a plurality of balls mounted between the first enclosure and the outer wall, and mounted between the second enclosure and the inner wall.

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