Pressure compensator

Details Pressure compensator Pressure compensator

H - Electricity

01

F

H01F 27/14 (2006.01) G12B 5/00 (2006.01)

Patent

CA 2738056

Pressure compensator configured to compensate volume variations of an insulation medium of a subsea installation (1), comprising a first bellows chamber (6) comprising a first bellows part (7). The first bellows chamber is in flow connection with an insulation medium chamber of the subsea installation and the walls of the first bellows chamber (6) are configured to separate the insulating medium from surroundings. The first bellows chamber (7) is surrounded by a second bellows chamber (8) comprising a second bellows part (9). The second bellows chamber (8) is configured to form a closed intermediate space around the first bellows chamber (6). The walls of the second bellows chamber are configured to separate at least the bellows parts (7) of the first bellows chamber (6) from the surrounding sea water. The second bellows chamber (8) is further filled with an intermediate medium (10).

L'invention concerne un compensateur de pression configuré en vue de compenser des variations de volume dun milieu isolant dune installation sous-marine (1) et comportant un premier compartiment à soufflet (6) qui comprend un premier composant en soufflet (7). Le premier compartiment à soufflet est en communication fluidique avec un compartiment de milieu isolant de linstallation sous-marine et les parois du premier compartiment à soufflet (6) sont configurées de façon à séparer le milieu isolant de lenvironnement. Le premier compartiment à soufflet (6) est enveloppé par un deuxième compartiment à soufflet (8) comprenant un deuxième composant en soufflet (9) Le deuxième compartiment à soufflet (8) est configuré de façon à former un espace intermédiaire clos autour du premier compartiment à soufflet (6). Les parois du deuxième compartiment à soufflet sont configurées de façon à séparer au moins le composant en soufflet (7) du premier compartiment à soufflet (6) de leau de mer environnante. Le deuxième compartiment à soufflet (8) est en outre rempli dun milieu intermédiaire (10).

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