PRESSURE COMPENSATOR FOR SUBSEA DEVICE
First Claim
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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Accused Products
Abstract
A pressure compensator for providing pressure compensation for a chamber of a subsea device is provided. The pressure compensator has an enclosure with at least an outer wall. A first compensation chamber is provided inside the enclosure. A flow connection from the first compensation chamber towards the chamber of the subsea device is further provided. As second compensation chamber is provided inside the enclosure. First and second separating walls are arranged inside the enclosure. A first bellows portion of the first separating wall and a second bellows portion of the second separating wall are deformable to provide pressure compensation between the chamber of the subsea device and a second inner volume around which the second separating wall extends.
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Citations
23 Claims
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1. A pressure compensator for providing pressure compensation for a chamber of a subsea device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23)
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16. A method of manufacturing a pressure compensator for providing pressure compensation for a chamber of a subsea device, comprising:
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providing an enclosure including at least an outer wall; providing a first compensation chamber inside the enclosure by arranging a first separating wall inside the enclosure, at least part of the first compensation chamber being formed between the outer wall and the first separating wall, the first separating wall including a first bellows portion and extending around a first inner volume, the first separating wall providing separation between the first inner volume and the first compensation chamber; providing a second compensation chamber inside the enclosure by arranging a second separating wall 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 providing a flow connection from the first compensation chamber towards the chamber of the subsea device, 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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Specification