Patent ID: 7983041

Claim:
An electric module intended to be submerged underwater, comprising: a sealed enclosure intended to be submerged underwater and containing an atmosphere comprising a heat transfer fluid defining a secondary fluid; at least one item of electrical equipment arranged in the sealed enclosure and, in operation, heating the atmosphere; a secondary cooling circuit, for cooling the at least one item of electrical equipment, using the secondary fluid, the secondary cooling circuit comprising: a guiding channel provided with a top opening and a bottom opening below the top opening, the guiding channel being arranged in the sealed enclosure so as to guide the atmosphere heated by the at least one item of electrical equipment towards the top opening; a passage for the atmosphere, the passage linking the top opening to the bottom opening via the outside of the guiding channel and being delimited, at least partly, by the sealed enclosure in order to provide a cooling of the atmosphere upon contact with the sealed enclosure; the guiding channel being thermally isolated from the sealed enclosure.