Patent · US Expired

Quick release blowout preventer bonnet

US6554247B2 · kind B2 · utility

37Cited by
26References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 2001
Grant dateApr 29, 2003
Priority date
Expiry dateMay 15, 2021

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B33/062
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.