E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/06 (2006.01) E21B 33/035 (2006.01)
Patent
CA 2427173
The invention relates to a blowout valve assembly (blowout preventer (BOP)) (1) comprising a connecting channel (3), which can be closed by at least one closing device (2), whereby the closing device (2) can be transversally displaced with regard to the connecting channel (3) by means of a drive device (4). The aim of the invention is to further improve a blowout valve assembly of this type in order to enable this assembly to be precisely and easily actuated by remote control and while, at the same time, reliably preventing an unintentional opening of the closing device. To this end, the drive device (4) comprises at least two electric motors (5, 6), which can be operated individually or in a synchronized manner, and comprises a transmission device (7) having at least one irreversible transmission unit (8). In order to displace the closing device (2), said transmission unit (8) is drive-connected to both electric motors (5, 6).
L'invention concerne une soupape anti-éruption (blowout-preventer (BOPP)) (1) comportant un canal de jonction (3) pouvant être fermé par au moins un dispositif de fermeture (2) déplaçable transversalement au canal de jonction (3) au moyen d'un dispositif d'entraînement (4). L'invention vise à perfectionner cette soupape anti-éruption incontrôlée de sorte qu'elle puisse être télécommandée de manière simple et précise et empêche simultanément toute ouverture intempestive du dispositif de fermeture. A cet effet, le dispositif d'entraînement (4) comporte au moins deux moteurs électriques (5, 6) pouvant être actionnés individuellement ou en synchronisme et un dispositif de transmission (7) comportant au moins une unité de transmission (8) irréversible, qui est reliée en entraînement aux deux moteurs électriques (5, 6) pour déplacer le dispositif de fermeture (2).
Cooper Cameron Corporation
Deeth Williams Wall Llp
LandOfFree
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