Abstract: A cryogenic fluid storage unit comprises an internal tank, an external tank (7), and a proximal suspension (23P) connecting the proximal end (22D) of the internal tank to the external tank. The proximal suspension comprises an external tube rigidly attached to the proximal end of the internal tank, an internal tube arranged in the external tube and connected to the external tank, and a stopper connecting the internal tube to the external tube. The the proximal suspension comprises a proximal thermal insulation interposed radially between the external tube and the internal tube, the proximal thermal insulation comprising a thermally insulating sleeve and at least one blocking element having a central axis and resiliently biasing the sleeve against an internal surface of the external tube or against an external surface of the internal tube.

Abstract: A storage unit comprises an internal reservoir inwardly delimiting a cryogenic fluid storage volume, an external reservoir housing the internal reservoir and a suspension attaching the internal reservoir to the external reservoir. The suspension has a connection which comprises an outer tube, a bottom plate, an inner tube arranged inside the outer tube, and a movement limiter. The outer tube has an outer proximal end attached to the internal reservoir and an outer distal end located inside the storage volume The bottom plate closes the outer distal end. The inner tube has an inner proximal end connected to the external reservoir and an inner distal end attached to the internal reservoir. The movement limiter limits deflection of the inner tube relative to the internal reservoir in a plane perpendicular to a central axis of the inner tube.

Abstract: The storage unit comprises an internal reservoir, an external reservoir, and a suspension suspending the internal reservoir from the external reservoir; The suspension comprises a link that includes a cuff made of a composite material with a central axis, a proximal link of a proximal axial end of the cuff to the internal reservoir; and a distal link of a distal axial end of the cuff to the external reservoir. The proximal link comprises a body closing the proximal axial end of the cuff, the body having an external surface defining an external tapered bearing surface coaxial with the central axis and engaged inside the proximal axial end. The proximal link further comprises a ring connected to the internal reservoir, the ring having an internal surface defining an internal tapered bearing surface coaxial with the central axis and surrounding the proximal axial end, the proximal axial end of the cuff is clamped between the external tapered bearing surface and the internal tapered bearing surface.

Abstract: A hydrogen storage and supply device comprises an internal reservoir which internally delimits a storage volume and an external reservoir, wherein an intermediate space separates the internal reservoir from the external reservoir. A heat exchanger has a hydrogen circulation side provided with a hydrogen inlet; and a conduit supplies the heat exchanger with hydrogen. An external conduit is received in the intermediate space. The external conduit has: an intermediate volume; an upstream section having an upstream upper end passing through the internal reservoir and fluidically connected to the storage volume, and an upstream lower end connected to the intermediate volume; and a downstream section connected to the intermediate volume and having a downstream upper end connected to the hydrogen inlet.

Abstract: A storage unit comprises an internal reservoir inwardly delimiting a cryogenic fluid storage volume, an external reservoir housing the internal reservoir and a suspension attaching the internal reservoir to the external reservoir. The suspension has a connection which comprises an outer tube, a bottom plate, an inner tube arranged inside the outer tube, and a movement limiter. The outer tube has an outer proximal end attached to the internal reservoir and an outer distal end located inside the storage volume The bottom plate closes the outer distal end. The inner tube has an inner proximal end connected to the external reservoir and an inner distal end attached to the internal reservoir. The movement limiter limits deflection of the inner tube relative to the internal reservoir in a plane perpendicular to a central axis of the inner tube.

Abstract: A cryogenic fluid storage unit comprises: an internal reservoir, internally delimiting a storage volume for storing the cryogenic fluid, and an external reservoir inside which the internal reservoir is arranged. An intermediate space separates the internal reservoir from the external reservoir. A thermal insulation is interposed between the internal reservoir and the external reservoir. A a getter is received in a volume in fluidic communication with the intermediate space, and the external reservoir has an opening for extracting the getter, and a removable cover closes the opening.

Abstract: A purification device includes a tubular shell having an inner surface and an electric heating member housed in the tubular shell. The heating member comprises a heating element made of an electrically conductive material which is permeable to exhaust gases. The device also includes an attachment of the heating element directly on the inner surface.

Abstract: A heating device includes a heating element in the form of a metal foam, and a case defined by a side wall that extends along a longitudinal axis. The metal foam is housed in the case. An electrical thermal insulator is arranged between the metal foam and the case. The heating device includes at least one electrode and the metal foam includes a zone configured to receive the at least one electrode.

Abstract: A heating device comprises a heating element, permeable to the exhaust gas, and intended to be traversed by the exhaust gas flowing in a longitudinal direction. The heating element comprises two electrical poles, and two electrodes, each electrode being solidly attached to a respective electrical pole. Each electrode has a generally elongated shape along a respective elongation direction. At least one of the electrodes has a direction of elongation substantially parallel to the longitudinal direction.

Abstract: An exhaust gas heating element comprises a wafer that is substantially cylindrical with an axis and is made of metallic foam. A flexible, electrical insulating sheet covers an edge of the wafer with an overlap on each face of the wafer. A rigid assembly ring, a housing, and two electrodes are also provided. The rigid assembly ring is made from a cylinder trunk, at least a first edge of which is serrated in such a way as to be able to immobilize the wafer and the flexible, electrical insulating sheet in the rigid assembly ring by folding teeth, substantially at 90°.

Abstract: A purification device includes a tubular shell having an inner surface and an electric heating member housed in the tubular shell. The heating member comprises a heating element made of an electrically conductive material which is permeable to exhaust gases; The device also includes an attachment of the heating element directly on the inner surface.

Abstract: A heating device for an exhaust system has an electrically conductive foamed part and at least one stabilization part for the foamed part. The foamed part includes two end faces, an outer circumference and at least one recess starting from the outer circumference and extending in the axial direction from one to the other end face. The recesses produce sections which are opposite each other at a distance and continue into each other, forming a current path as a resistance heating element. The stabilization part at least partially fills the recess and mechanically couples the sections to each other, but does not electrically couple them to each other.

Abstract: A heating device comprises a heating element, permeable to the exhaust gas, and intended to be traversed by the exhaust gas flowing in a longitudinal direction. The heating element comprises two electrical poles, and two electrodes, each electrode being solidly attached to a respective electrical pole. Each electrode has a generally elongated shape along a respective elongation direction. At least one of the electrodes has a direction of elongation substantially parallel to the longitudinal direction.

Abstract: A heating device includes a heating element in the form of a metal foam, and a case defined by a side wall that extends along a longitudinal axis. The metal foam is housed in the case. An electrical thermal insulator is arranged between the metal foam and the case. The heating device includes at least one electrode and the metal foam includes a zone configured to receive the at least one electrode.

Abstract: A heat exchanger comprises a plurality of flow pipes for a first fluid and an envelope delimiting an internal volume in which the pipes are placed. The envelope has an inlet for a second fluid and an outlet for the second fluid opening into the internal volume. At least one internal grid is arranged between the inlet of the second fluid and the outlet of the second fluid. The internal grid divides the internal volume into a plurality of chambers arranged one after another in a longitudinal direction. The internal grid delimits a passage for the second fluid with an internal surface of the envelope, wherein the or each passage is arranged such that the second fluid circulates in a labyrinthine fashion from the inlet of the second fluid to the outlet of the second fluid via the chambers.

Abstract: A heat recovery device comprises a body inwardly delimiting an exhaust gas circulation passage and a heat exchanger. The heat exchanger includes a casing, a plurality of exhaust gas circulation tubes and at least one grate arranged in the proximal opening of the casing. The grate comprises a wall in which orifices are arranged for receiving tubes. The grate also has an upright edge protruding toward an inside of the heat exchanger, the upright edge being rigidly attached to the casing. The wall of the grate has, around the orifices, a planar surface turned toward the body. The body has an opening delimited by a flat edge pressed against the planar surface. The planar surface and the flat edge are rigidly attached to one another to be tight with respect to exhaust gases.