Blowout preventer and locking mechanism
US7195224B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2005 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Aug 13, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B15/261
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A blowout preventer having a main body, a ram system with ram apparatus, a movement system with movable shaft apparatus connected to the ram apparatus, the ram apparatus movable from a first open-ram position to a second closed-ram position, the movable shaft apparatus including a locking shaft portion having a tapered portion, a locking system for selectively locking the ram apparatus in the closed position and having locking member apparatus having a primary tapered surface in contact with the locking shaft portion which is movable with the so that the primary tapered surface contacts the tapered portion of the locking shaft portion to releasably lock the movable shaft apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.