发明名称 Quick release blowout preventer bonnet
摘要 A bonnet lock mechanism for a blowout preventer that includes a radial lock. A radial lock displacement device is coupled to at least one lock actuator. The radial lock displacement device is adapted to radially displace the radial lock to lock a bonnet to a body of the blowout preventer.A bonnet lock mechanism for a blowout preventer that includes a radial lock positioned in a body of the blowout preventer. At least one lock actuator is coupled to the radial lock and is adapted to radially displace the radial lock to lock a bonnet to the body of the blowout preventer.
申请公布号 US6554247(B2) 申请公布日期 2003.04.29
申请号 US20010849819 申请日期 2001.05.04
申请人 HYDRIL COMPANY 发明人 BERCKENHOFF MICHAEL WAYNE;HEMPHILL EDWARD RYAN
分类号 E21B33/06;(IPC1-7):E21B3/06 主分类号 E21B33/06
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