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PRESSURE COMPENSATOR FOR SUBSEA DEVICE

  • US 20160215913A1
  • Filed: 12/30/2015
  • Published: 07/28/2016
  • Est. Priority Date: 01/23/2015
  • Status: Active Grant
First Claim
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1. A pressure compensator for providing pressure compensation for a chamber of a subsea device, comprising:

  • an enclosure including at least an outer wall;

    a first compensation chamber provided inside the enclosure;

    a flow connection from the first compensation chamber towards the chamber of the subsea device;

    a first separating wall arranged inside the enclosure, the first separating wall including a first bellows portion, wherein at least part of the first compensation chamber is formed between the outer wall and the first separating wall, the first separating wall extending around a first inner volume and providing separation between the first inner volume and the first compensation chamber;

    a second compensation chamber provided inside the enclosure; and

    a second separating wall arranged inside the enclosure, the second separating wall including a second bellows portion and extending at least partially into the first inner volume, wherein at least part of the second compensation chamber is formed between the first separating wall and the second separating wall, the second separating wall extending around a second inner volume and providing separation between the second compensation chamber and the second inner volume, and wherein the first bellows portion and the second bellows portion are deformable to provide pressure compensation between the chamber of the subsea device and the second inner volume.

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