Abstract: A catalyst substrate may include a ceramic base body including first and second ends, the second end being opposite to the first end, and the ceramic base body being provided with a plurality of cells each extending between the first and second ends; and a plurality of metal particles or metal fragments introduced into one or more internal spaces of one or more selected cells in the plurality of cells. Each of the plurality of metal particles or metal fragments has a size equal to or less than an opening width of the cell. The plurality of metal particles or metal fragments is configured to generate heat in accordance with varying magnetic field.

Abstract: A heater includes: a conductive ceramic cylinder tube provided with a plurality of cells, each cell being defined by a pair of first cell-walls and a pair of second cell-walls, each first cell-wall extending in a radial direction of the ceramic cylinder tube, and each second cell-wall extending so as to cross the radial direction of the ceramic cylinder tube; an inner electrode electrically coupled to an inner wall of the ceramic cylinder tube; and an outer electrode electrically coupled to an outer wall of the ceramic cylinder tube. Linear portions are radially arranged in the ceramic cylinder tube, each linear portion linearly extending in the radial direction of the ceramic cylinder tube so as to include a plurality of first cell-walls that are arranged on the same axial line that in the radial direction and current flows radially at least via the linear portions between the inner and outer electrodes.

Abstract: A valve includes a flap, a tubular valve body defining a passageway, and a guiding device the flap relative to the valve body for pivoting the flap relative to the valve body about a pivot axis between a closed position and an open position of the passageway. The guiding device comprises a pin traversed by the pivot axis and comprising a body with a base and, opposite the base a free end resting against the valve body. The pin also comprises two lugs each protruding from the base in a direction opposite to the free end, the two lugs defining between them a slot, wherein an edge of the flap is received. The valve further comprises at least one member, connected to the flap, and which presses one of the lugs of the pin against the flap.

Abstract: An exhaust component comprises a main casing and at least one partial casing pressed against the main casing. In a developed state, the partial casing has an elongated shape along a longitudinal line and is defined along a transverse direction, substantially perpendicular to the longitudinal line, by two side edges opposite one another. The partial casing has a given developed longitudinal length. The partial casing has no fastening to the main casing on at least one longitudinal segment, and the longitudinal segment extends from one side edge to the other and extends in total over a cumulative developed longitudinal length of at least 20% of the given developed longitudinal length.

Abstract: A valve comprises a valve body, a flap, and a shaft driving the flap. At least one first bearing guides a first end of the shaft. The first end of the shaft includes an inner housing emerging axially. The first bearing includes a barrel axially engaged in the inner housing, such that no accumulation of condensates can occur in the inner housing when the first end of the shaft points downward.

Abstract: An assembly includes a heat exchanger, a bypass conduit defining a path for passage for the exhaust gases and bypassing the heat exchanger, and a valve adjusting the amounts of exhaust gases circulating through the heat exchanger and through the bypass conduit respectively. The valve has a driving shaft, and the assembly further comprises a fluid box that is in fluid communication with a heat transfer fluid circulation side of the heat exchanger and arranged around the driving shaft to cool the driving shaft.

Abstract: A heat recovery device extends between an inlet and an outlet for exhaust gas, and includes a valve delimiting a direct passage for gas between the inlet and the outlet. The valve comprises a valve body housing a gate movable between a closing off position and a released position. A heat exchanger has an exchanger inlet upstream of the gate and an exchanger outlet downstream of the gate. The valve comprises a tube partially extending inside the valve body up to a mouth edge at a distal end, with the mouth edge extending in a plane. The gate has a plane contact surface configured to come in a direct contact with the mouth edge when the gate is in the closing off position.

Abstract: An exhaust gas purification member comprises an annular substrate centered on a central axis, a peripheral electrode alongside and against an outer cylindrical face of the substrate, and a central electrode alongside and against an inner cylindrical face of the substrate. The substrate is made up of an electrically conductive material and includes a plurality of intersecting walls defining longitudinal cells therebetween and that each emerge in an upstream face and in a downstream face of the substrate. These intersecting walls are covered with a catalytic composition and each wall extends from an outer cylindrical wall of the substrate, defining the outer cylindrical face, to the inner cylindrical wall of the substrate, defining the inner cylindrical face.

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: A device includes a power source, at least one exhaust gas purification member having an upstream face and a downstream face, and a heating member placed in front of and at a distance from the upstream or downstream face. The heating member comprises a frame and a plurality of elongate heating elements surrounded by a peripheral part of the frame. Each heating element has first and second ends, with at least one of the first and second ends being electrically connected to the power source with the other end being connected to the frame. Each heating element is, between the first and second ends, connected only to at least one other of the heating elements. The heating elements are in contact with one another by respective points of contact, two points of contact of two different heating elements in contact with one another being at the same electric potential.

Abstract: An exhaust line element comprises a valve body, a shutter, a pivot link connecting the shutter to the valve body, an upstream tube, and a downstream tube. At least one first stopper is attached on an inner surface of the valve body. The shutter abuts against the first stopper in the closing off position. The first stopper defines a longitudinal position of at least one of the upstream tube and the downstream tube relative to the valve body.

Abstract: This exhaust gas purification device (2, 102), comprising an upstream pipe (4), in which a first exhaust gas purification member (6) is housed, a downstream pipe (8) in which a second exhaust gas purification member (10) is housed, a mixing chamber (12) and an injection device (20) for a nitrogen oxide reducing product; is characterized in that the mixing chamber includes a first deflector member capable of channeling the flow of exhaust gas such that it flows through the jet of nitrogen oxide reducing product substantially perpendicular to the second deflector member (36, 56), the second deflector member being configured to form two swirling flows of a mixture of exhaust gas and nitrogen oxide reducing product; and in that the device further includes an element (54, 58) for protecting the second member (10) for purifying exhaust gas.

Abstract: An ammonia generating device is used for the treatment of exhaust gases of internal combustion engines, particularly for motor vehicles. The device includes a tank having a body capable of releasing ammonia by desorption. The device is also provided with a first single connection member comprising an electrical connection to supply the device with electricity and a fluid connection to allow evacuation of the ammonia produced following the desorption reaction.

Abstract: A method for manufacturing an ammonia storage cartridge includes a step for supplying a material by ammonia absorption or adsorption by absorbent salts, a step for producing an intermediate element, including compacting the material to form the intermediate element, a step for stacking at least two intermediate elements in a shell of the cartridge, and a step for compressing the stack of intermediate elements in the shell.

Abstract: An ammonia generating device for treating exhaust gases of internal combustion engines, notably of automobile vehicles, includes a reservoir having a body capable of releasing ammonia by desorption and a heating device positioned inside the reservoir to heat the body in the reservoir. The heating device comprises a heat generating element that has an elongated form. The heating device further includes at least one heat transfer feature laid out along an axial direction of the heat generating element and extending in a direction radial to the heat generating element.

Abstract: An ammonia generating device is delimited by an outer casing that includes a main reservoir and a secondary reservoir. The main reservoir is capable of reloading with ammonia the body in the secondary reservoir. A heater is capable of heating the bodies in each reservoir. A connector connects the main reservoir to the secondary reservoir. The heater comprises first and second heating devices respectively installed inside the main reservoir and the secondary reservoir and operating independently. The main reservoir is thermally decoupled from the secondary reservoir to generate a temperature gradient between both reservoirs.

Abstract: An ammonia storage cartridge includes an ammonia storage member having a storage material capable of absorbing or adsorbing ammonia. The storage member extends along a longitudinal axis. A heating element heats the storage member, and a hermetic tank houses the storage member. A tubular ammonia circulation element is arranged coaxially to the storage member, and includes a first surface at least partially delimiting, with an element chosen from among the heating element and the hermetic tank, a circulation duct for the fluid ammonia. A second surface is arranged at least partially in contact with the storage member, and at least one orifice passes radially through, allowing the circulation of fluid between the circulation duct and the storage member.

Abstract: An injection device comprises a volume, an injection device to inject a jet of liquid reagent into the volume, at least one first impactor positioned in the volume, and a first heating device to heat the first impactor. The first heating device comprises a first heating member having a device having a thermally conductive zone in contact with the first impactor or defining the first impactor. A resistive heating element is housed in the device and arranged to heat the thermally conductive zone.

Abstract: A spiral exchanger has a winding axis and includes an outer sheet and an inner sheet secured to one another in a fastening plane before winding, and delimiting a space for a fluid between them. The outer sheet and the inner sheet are wound on themselves and each sheet includes a plurality of flexible areas and a plurality of rigid areas. The flexible areas are more flexible than the rigid areas during folding. The flexible areas and the rigid areas are extended along the winding axis, and at least one flexible area of the outer sheet and at least one flexible area of the inner sheet that delimit the space between them form a pair of flexible areas that are aligned in the same radial direction.

Abstract: The assembly for purification of exhaust gases comprises an upstream conduit and a downstream conduit positioned parallel to each other. A space has an exhaust gas inlet communicating with the upstream conduit and an exhaust gas outlet communicating with the downstream conduit. A middle line divides the inlet into first and second areas providing a same passage section to the exhaust gases. The assembly comprises a baffle covering at least 75% of the first area and covering less than 25% of the second area. The baffle and the space are laid out so that a portion of the exhaust gases penetrate through the first area of the inlet flows into the space along flow lines forming a cusp around the baffle.