Abstract: A storage tank comprises a gas storage chamber and at least one device to hold a component in the storage chamber.

Abstract: A device fastens a tank for pressurized gas, such as hydrogen, to a frame. The tank comprises a base including a cylindrical seat. The device comprises a fastener able to clamp the cylindrical seat of the base, where the device also comprises at least one mechanical fuse that is able to break in case of impact experienced by the frame, so that the device releases the base from the frame.

Abstract: The invention relates to an electrochemical cell having: ?a membrane electrode assembly (2); ?two retaining plates (10); ?a single seal (20) extending around the membrane electrode assembly (2) and disposed in contact with the two retaining plates (10); ?at least one intermediate leaktight sheet (30) extending around the membrane electrode assembly (2), disposed between the latter and the seal (20) and joined in a leaktight manner to the membrane (4) on the one hand and to the seal (20) on the other.

Abstract: A base for a pressurized gas tank, such as hydrogen, is substantially circular about an axis, and comprises a substantially cylindrical pipe of axis, which passes through the base in order to connect an outside of the tank to an inside of the tank. A substantially tubular notch of axis is arranged on an inner side of the tank and is suitable for receiving a sealing envelope. A substantially tubular sleeve of axis is arranged on the inner side of the tank and has an inner diameter substantially equal to a diameter of the pipe and an outer diameter substantially equal to an inner diameter of the notch, and also has an axial extension at least equal to that of the notch. An O-ring and a groove of axis, capable of receiving the O-ring, are arranged in a side wall of the notch. The base also comprises a body and a substantially tubular ring of axis, interfaced by a surface of revolution about the axis passing through the groove.

Abstract: A tank comprises a shell, delimiting a storage enclosure and having at least one opening, and a connection me connected to the at least one opening of the shell. The connection member_-comprises a tubular element, delimiting a duct, and an annular element. The shell comprises a rim delimiting the at least one opening, the rim being radially clamped between the tubular element and the annular element.

Abstract: The fuel cell comprises for each MEA: an anodic volume for the circulation of an anodic fluid between the anode of the MEA and a bipolar plate and a cathodic volume for the circulation of a cathodic fluid between the anode of the MEA and another bipolar plate, one of the anodic volume and the cathodic volume is sealed by a cordon of a sealing material extending along a peripheral outer edge of the MEA, wherein the sealing material is in direct contact with the MEA and the corresponding bipolar plate; wherein the other of the anodic volume and the cathodic volume is sealed off from the fluid circulating in the volume by a direct contact line of the MEA with the corresponding bipolar plate, the contact line extending along a peripheral outer edge of the MEA.

Abstract: Device for creating a stack of plates, comprising tooling and at least one plate, the tooling comprising a base bearing at least one parallel rectilinear rod, these being distant one from the next by at least one inter-axis distance and having a first substantially circular section (S1), and the at least one plate being superposable and comprising at least as many holes (7) as there are rods (6), these being distant by the same at least one inter-axis distance, having a second substantially circular section (S2) able to contain the first section (S1), wherein the first section (S1) and the second section (S2) can turn relative to one another reciprocally between a first orientation (#1) in which the first section (S1) and the second section (S2) are an exact fit and a second orientation in which the first section (S1) and the second section (S2) are a free fit.

Abstract: A storage tank comprises a gas storage chamber and at least one device to hold a component in the storage chamber.

Abstract: A hydrogen storage system comprises a substantially cylindrical reservoir having at least one axial neck accommodating a drawing device, a substantially parallelepipedal structure surrounding the reservoir, and a cage supporting the reservoir while gripping around the drawing device. The cage is secured to the structure with at least one interface part that is configured to deform and/or rupture in the event of impact in order that the cage remains secured to the drawing device and transmits little or no force to the drawing device.

Abstract: A device fastens a tank for pressurized gas, such as hydrogen, to a frame. The tank comprises a base including a cylindrical seat. The device comprises a fastener able to clamp the cylindrical seat of the base, where the device also comprises at least one mechanical fuse that is able to break in case of impact experienced by the frame, so that the device releases the base from the frame.

Abstract: A tank for pressurized gas such as hydrogen, comprises a paste sealant, a sealing envelope, and a base comprising a recess accommodating a neck. A substantially annular external cavity is between a convex surfaces of the neck and a concave surfaces of the recess A substantially annular inner cavity is between a concave surface of the neck and a convex surface of the recess. The paste sealant occupies the annular external and annular inner cavities uniformly and thus ensures the mechanical strength and the gas seal between the sealing envelope and the base. The sealing envelope comprises a body and a neck on the surfaces of which at least two angularly equidistant protrusions extend radially.

Abstract: A heat recovery device comprises a valve body inwardly defining a direct flow path for exhaust gases from an inlet to an outlet, a heat exchanger comprising a flow passage for the exhaust gases emerging in an inlet zone of the valve body, and a gate positioned in the valve body. The heat recovery device comprises a guide wall positioned in the direct flow path at the inlet zone, arranged to guide the exhaust gases from the inlet toward the cutoff section away from the inlet zone when the gate frees the direct flow path, and delimiting at least one orifice to allow the exhaust gases to go to the inlet zone when the gate closes off the direct flow path.

Abstract: The device includes an upstream pipe, extending along a first direction, and in which at least one purification member is housed, a first downstream pipe, extending along a second direction, and in which at least one heat exchanger is housed, and a second downstream pipe configured to be connected to an exhaust gas outlet tube. The device also includes an intermediate chamber comprising an exhaust gas inlet communicating with the upstream pipe, downstream from the at least one purification member, a first exhaust gas outlet communicating with the first downstream pipe, and a second exhaust gas outlet communicating with the second downstream pipe. The first direction and the second direction form an angle between them comprised between 0° and 90°.

Abstract: A heat recovery device comprises a valve body inwardly defining a direct flow path for exhaust gases from an inlet to an outlet, a heat exchanger comprising a flow passage for the exhaust gases emerging in an inlet zone of the valve body, and a gate positioned in the valve body. The heat recovery device comprises a guide wall positioned in the direct flow path at the inlet zone, arranged to guide the exhaust gases from the inlet toward the cutoff section away from the inlet zone when the gate frees the direct flow path, and delimiting at least one orifice to allow the exhaust gases to go to the inlet zone when the gate closes off the direct flow path.