Abstract: This system (S) comprises a heat exchange plate (2) defining a coolant circulation duct (6) and equipped on the one hand with connector elements (100A, 100B), and on the other hand with a volume compensating device (200) comprising a piston (230) mounted able to slide sealably relative to the plate, between a first retracted position and a second forward position. The system comprises means (8, 82, 84, 300A, 300B) for supplying the duct with coolant, said means comprising connector elements (300A, 300B) complementary to those of the plate (2). A maintaining member (400), which is secured to a first complementary connector element (300A), locks the piston (230) in its first position, when the first connector element of the plate (100A) and the first complementary connector element (300A) are coupled, and keeps the piston (230) in its first position, during separation of the first connector element of the plate (100A) and the first complementary connector element (300A).

Abstract: A quick connector having a first element including a piston with a valve for closing an inner duct of the first element and which piston is movable between a first position within a body of the first element and a second position forward of the body and wherein the valve is movable relative to the piston in a direction parallel to an axis of the first element. The connector includes a seal between the piston and the body of the first element and at least one movable member for locking the piston in the first position and a ring for maintaining the movable member in the first position when the first element is coupled to, and during separation of, a second element of the connector and as long as the valve is not closing the inner duct of the first element.

Abstract: The connector (1) according to the invention for removably connecting two fluid channels comprises a first element (3) and a second element (2) that can fit into one another. The first element (3) comprises a body (4) that is connected with the second element (2), when the second element (2) and the first element (3) are at least partially fitted into one another, following a combined relative rotational and translational movement, by a first link between at least one locking pin (D) and at least one locking slot (A). According to the invention, the first element (3) comprises a single ring (5) mounted around the body (4), the body (4) and the ring (5) being linked following a combined relative rotational and translational movement by a second link between at least one guiding pin (C) and at least one guiding slot (B).

Abstract: A coupling device for transferring pressurized fluids including an end piece body having a bearing portion and defining a fluid flow channel, an end piece ring provided with an inner cavity and a threaded radial surface, and an element for displacing the end piece body in a forward direction parallel to a longitudinal axis of the end piece ring and inside the inner cavity. The device has an intermediate member having a body with a radial surface with an external thread complementary to the external thread of the end piece ring and a locking mechanism movable between a position blocking a coupling element introduced into the intermediate member and a position where the locking mechanism allows withdrawal of the coupling element from the intermediate member.