Abstract: The invention relates to a flow control device intended to be used in a thermoelectric generator (10), said generator (10) allowing a temperature gradient to be created between a cold source and a heat source in at least two zones (A, B), characterized in that it comprises a valve (30), said valve (30) comprising a valve body (32) and a gate (34), said gate (34) being hinged relative to the valve body (32) and being capable of occupying an open position and a closed position, said valve (30) being configured to be positioned inside said generator (10), between said two zones (A, B), so as to modulate the quantity of a first fluid circulating through said thermoelectric generator (10). The invention further relates to a thermoelectric generator (10) comprising such a device.

Abstract: The invention relates to a thermoelectric device comprising at least two thermoelectric elements (10, 20), called first (10) and second (20) elements, capable of generating an electric current under the effect of a temperature gradient applied between two of their faces, called first and second active faces, the first active faces being intended to exchange heat with a heat source of the temperature gradient, and the second active faces being intended to exchange heat with a cold source of the temperature gradient, said device comprising a first electrical connector (31) connecting the two elements (10, 20), said first connector (31) covering a first part (11, 21) of each first and, respectively, each second active face of said first (10) and second (20) elements, a second part (13, 23) of said first and, respectively, second active faces being left free. The invention further relates to a thermoelectric module comprising such a device and to a method for producing such a device.

Abstract: A thermoelectric module (20) includes at least one thermoelectric element (3) having at least one opening (10) designed to be in a thermal relationship with a hot fluid. The thermoelectric element (3) has an active face designed to be in a thermal relationship with a cold fluid of a temperature lower than that of the hot fluid. The thermoelectric element (3) is designed to generate an electric current under the action of a temperature gradient applied by the hot fluid and the cold fluid between the opening (10) and the active face of the thermoelectric element. The opening includes two circuits (41, 42) for circulating the hot fluid, a first circuit (41) in contact with the thermoelectric element (3) and a second circuit (42) positioned within the first circuit (41).

Abstract: The invention relates to a thermoelectric element comprising at least one opening and a set of apertures. The opening is designed to be in a thermal relationship with a hot source, and the apertures are designed to be in a thermal relationship with a cold source that is of a temperature that is lower than that of the hot source. The thermoelectric element is designed to generate an electric current under the action of a temperature gradient applied by the hot source and the cold source between the opening and the apertures. The invention also relates to a thermoelectric module comprising at least one thermoelectric element.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow according to a path along which the temperature of said first fluid decreases, and, a second circuit (2), called cold circuit, through which a second fluid can flow, at a temperature lower than that of the first fluid, according to a path along which the temperature of said second fluid increases, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient, said thermoelectric elements (3p, 3n) being distributed along said hot (1) and cold (2) circuits, provided configured to create said gradient. According to the invention, the device is configured for the contribution of the thermoelectric elements to the generation of the electricity to be substantially constant along the path of the first and/or of the second fluid.

Abstract: The invention relates to a flow control device intended to be used in a thermoelectric generator (10), said generator (10) allowing a temperature gradient to be created between a cold source and a heat source in at least two zones (A, B), characterised in that it comprises a valve (30), said valve (30) comprising a valve body (32) and a gate (34), said gate (34) being hinged relative to the valve body (32) and being capable of occupying an open position and a closed position, said valve (30) being configured to be positioned inside said generator (10), between said two zones (A, B), so as to modulate the quantity of a first fluid circulating through said thermoelectric generator (10). The invention further relates to a thermoelectric generator (10) comprising such a device.

Abstract: The invention relates to a thermoelectric module comprising at least one annular thermoelectric element (3, 3p, 3n), capable of generating an electric current under the action of a temperature gradient exerted between two of its faces, one (4a), called the first face, being defined by an outer peripheral surface and the other (4b), called the second face, being defined by an inner peripheral surface, said module being configured to establish a heat exchange between said first face (4a) and a first fluid and to establish a heat exchange between said second face (4b) and a second fluid, such that said first fluid and said second fluid circulate transversely relative to one another. The invention also relates to a thermoelectric device comprising a plurality of such modules.

Abstract: The invention relates to a thermoelectric device comprising at least two thermoelectric elements (10, 20), called first (10) and second (20) elements, capable of generating an electric current under the effect of a temperature gradient applied between two of their faces, called first and second active faces, the first active faces being intended to exchange heat with a heat source of the temperature gradient, and the second active faces being intended to exchange heat with a cold source of the temperature gradient, said device comprising a first electrical connector (31) connecting the two elements (10, 20), said first connector (31) covering a first part (11, 21) of each first and, respectively, each second active face of said first (10) and second (20) elements, a second part (13, 23) of said first and, respectively, second active faces being left free. The invention further relates to a thermoelectric module comprising such a device and to a method for producing such a device.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow, and, a second circuit (2), called cold circuit, through which a second fluid can flow at a temperature lower than that of the first fluid, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient. According to the invention, it comprises fins (5f) in a heat exchange relationship with said hot circuit (1) and/or said cold circuit (2), the thermoelectric elements (3p, 3n) being in contact at least with said fins (5f), said fins having tracks (32) for conducting the current generated by said thermoelectric elements.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow, and, a second circuit (2), called cold circuit, through which a second fluid can flow at a temperature lower than that of the first fluid, and elements (3, 3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient. According to the invention, it comprises fins (6f, 6c) in a heat exchange relationship with said hot circuit (1) and/or said cold circuit (2), the thermoelectric elements (3, 3p, 3n) being in contact at least with said fins (6f, 6c), at least some of said fins (6f, 6c) being associated in pairs, a compressible material (11) being provided between the fins (6f, 6c) of one and the same pair.

Abstract: The invention relates to a thermoelectric device comprising: a plurality of elements (4), called thermoelectric elements, allowing an electrical current to be produced from a temperature gradient between two of their faces (3a, 3b), called contact faces; electrically conductive tracks (20); and a solder joint between said contact faces (3a, 3b) and the electrically conductive tracks. According to the invention, said solder comprises an alloy based on aluminum and silicon. The invention also relates to a process for manufacturing such a device, using solid-state soldering.

Abstract: The invention relates to a thermoelectric module including at least one thermoelectric element (3, 3p, 3n) which is capable of generating an electric current by means of a temperature gradient applied between two of the surfaces thereof, one so-called first surface (4a) from among said surfaces having an area that is greater than that of the other so-called second surface (4b), said module being configured to establish an exchange of heat between said first surface (4a) and a first fluid, and to establish an exchange of heat between said second surface (4b) and a second fluid, said second fluid having a heat-exchange coefficient that is greater than that of said first fluid. The invention further relates to a thermoelectric device including such a module.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow according to a path along which the temperature of said first fluid decreases, and, a second circuit (2), called cold circuit, through which a second fluid can flow, at a temperature lower than that of the first fluid, according to a path along which the temperature of said second fluid increases, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient, said thermoelectric elements (3p, 3n) being distributed along said hot (1) and cold (2) circuits, provided configured to create said gradient. According to the invention, the device is configured for the contribution of the thermoelectric elements to the generation of the electricity to be substantially constant along the path of the first and/or of the second fluid.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow, and, a second circuit (2), called cold circuit, through which a second fluid can flow at a temperature lower than that of the first fluid, and elements (3, 3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient. According to the invention, it comprises fins (6f, 6c) in a heat exchange relationship with said hot circuit (1) and/or said cold circuit (2), the thermoelectric elements (3, 3p, 3n) being in contact at least with said fins (6f, 6c), at least some of said fins (6f, 6c) being associated in pairs, a compressible material (11) being provided between the fins (6f, 6c) of one and the same pair.

Abstract: The invention relates to a thermoelectric device, comprising a first circuit (1), called hot circuit, through which a first fluid can flow, and, a second circuit (2), called cold circuit, through which a second fluid can flow at a temperature lower than that of the first fluid, and elements (3p, 3n), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient. According to the invention, it comprises fins (5f) in a heat exchange relationship with said hot circuit (1) and/or said cold circuit (2), the thermoelectric elements (3p, 3n) being in contact at least with said fins (5f), said fins having tracks (32) for conducting the current generated by said thermoelectric elements.

Abstract: A heat exchanger apparatus for a plurality of cooling circuits using the same coolant is proposed, which includes a first fluid tank (18) arranged to be supplied with the coolant and divided into a plurality of compartments (24, 26, 28) for supplying at least two sub-banks (FP, FS) of tubes belonging to the same bank (10) of heat exchanger tubes (12), the bank (10) being mounted at one end on the first fluid tank (18) and at another end on a second fluid tank (22) that is divided into a plurality of compartments (38, 40, 42) communicating with the sub-banks, outlet means (48, 36) being provided on the first and second fluid tanks to permit the connection of each sub-bank to a cooling circuit.