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1. 发明授权

US4100982A Drill cuttings separation and control apparatus 失效
标题翻译：钻头分离和控制装置
公开(公告)号：US4100982A
公开(公告)日：1978-07-18
申请号：US794273
申请日：1977-05-05
申请人： Brendan Michael Wilkinson , Erasmo Belfiore
发明人： Brendan Michael Wilkinson , Erasmo Belfiore
IPC分类号： E21B21/015 , E21B21/07 , E21B21/00
CPC分类号： E21B21/07 , E21B21/015
摘要： A drill cuttings and dust control hood formed as an inverted rectangular box having depending flexible skirts on three lateral sides and a swinging door formed on a fourth side of the box for drill cuttings removal. The dust control hood includes a conical drill cuttings deflector disposed around the drill stem and directly above the drill hole. The conical deflector includes a plurality of apertures disposed around its base and above a transverse baffle plate. A source of air suction is connected to a tangential outlet opening through the deck of the hood into the interior of the space formed within the conical deflector. Flexible collars on the hood deck and the apex of the conical deflector form dust seals around the drill stem.
摘要翻译：一种钻屑和灰尘控制罩，其形成为在三个侧面上具有悬垂的柔性裙部的倒置的矩形盒，以及形成在盒的第四侧的摆动门，用于钻削去除。防尘罩包括设置在钻杆周围并直接在钻孔上方的圆锥形钻屑导向器。圆锥形偏转器包括围绕其底部并在横向挡板上方设置的多个孔。空气吸入源连接到穿过罩的甲板的切向出口，进入形成在锥形导流板内的空间的内部。发动机甲板上的柔性轴环和锥形偏转器的顶点在钻杆周围形成灰尘密封。

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