Valeo Systemes Thermiques

Patrick Boisselle

Kamel Azzouz

Erwan Vigneras

Julien Tissot

Michael Lissner

Samuel Bry

Erwan Etienne

Cédric De Vaulx

Xavier Marchadier

Cedric De Vaulx

Jérémy Blandin

Gerard Gille

Didier Pottier

Gérard Gille

Veronique Monnet

Nicolas Francois

Véronique Monnet

Philippe Lemercier

Ambroise Servantie

Jérôme Blanchard

Christophe Lenormand

Issiaka Traore

Jean-Philippe Berthome

Christine Holleville

Daniel Frasca

Mickael Lambert

The invention relates to a header tank () for a mechanically assembled heat exchanger, notably for a motor vehicle, said exchanger () comprising a mechanically assembled heat-exchange core bundle () and comprising at least one row of tubes () with two end tubes () one at each end of said at least one row, the tubes () respectively comprising an end () intended to open into an interior volume of the header tank (). According to the invention, the header tank () comprises at least one end stop () configured to be positioned facing an internal surface of the end () of an associated end tube () and to collaborate with said internal surface in such a way as to prevent said tube () from moving in the direction of the interior volume of the header tank ().

Header tank and corresponding heat exchanger

The invention relates to a heat exchanger comprising: With the fin () having a flat rectangular overall shape, the ratio between the number of louvers () and the width of the fin () is between 0.73 and 1.13.

Fin heat exchanger comprising improved louvres

A thermal battery having an enclosure including a fluid inlet and outlet. Between the inlet and outlet are tubes of encapsulated phase-change material. The tubes are arranged parallel to each other, and include radial spacers for spacing the tubes apart, such that the radial spacers of each of any two given contiguous tubes are longitudinally and radially offset from one another so as to allow fluid to circulate.

Thermal battery with encapsulated phase-change material

A thermoelectric device may include a casing of tubular shape in which extends a plurality of modules of thermoelectric elements extending parallel to a longitudinal axis of the casing. Additionally, each module may include a plurality of thermoelectric elements having a cylinder or right prism shape with a central opening, a first fluid circulating through the central opening, and a second fluid circulating around the exterior periphery, and an enclosure capping said thermoelectric elements. Further, the enclosure may include at least an intake for the second fluid and a discharge for said second fluid. Furthermore, a number and dimensions of said thermoelectric element modules is optimized as a function of the ratio between a volume of the thermoelectric elements and a volume of the casing, a thickness of the enclosure and a distance between two adjacent modules.

Thermoelectric module and device, in particular for generating an electric current in a motor vehicle

The present invention relates to a thermal battery () comprising an enclosure () comprising a fluid inlet and outlet and comprising within it tubes () of encapsulated phase-change material, said thermal battery () further comprising a device () for holding and spacing the tubes () of encapsulated phase-change material, said holding and spacing device () being arranged between the tubes () themselves and between the tubes () and the enclosure (), said holding and spacing device () being porous.

Thermal battery with encapsulated phase-change material and associated production method

The invention concerns a header () for a heat exchanger of a motor vehicle, configured to receive heat exchange tubes (). The header comprises:

Header for a heat exchanger of a motor vehicle

A method is disclosed for producing a heat exchanger, in particular for a motor vehicle, a method whereby fluid circulation tubes () are inserted into through holes in heat exchange fins () and the fluid circulation tubes () are subjected to expansion in such a way as to expand a contour () of the tubes () to ensure contact with the fins () at the through holes and, additionally, for at least one of the tubes (), to deform a concave portion () of the contour () of the tube or tubes (), in such a way as to correspondingly deform the through holes. A device for implementing the method and an exchanger obtained by the method are also disclosed.

Method for producing a heat exchanger and heat exchanger obtained by said method, swage and tube expansion device for implementing said method

The invention relates to a method for manufacturing a thermoelectric device, comprising a first circuit (), called hot circuit, through which a first fluid can flow, and a second circuit (), called cold circuit, through which a second fluid can flow at a temperature lower than that of the first fluid, elements (), called thermoelectric elements, that can be used to generate an electric current in the presence of a temperature gradient, fins () in a heat exchange relationship with said hot circuit () and/or said cold circuit (), the thermoelectric elements () being in contact at least with said fins (). According to the method according to the invention, said fins () are compressed in order to ensure that said thermoelectric elements () are held against said fins ().

Method for manufacturing a thermoelectric device, especially intended to generate an electrical current in an automotive vehicle

The invention relates to a device () for channeling a stream of feed gas for an internal combustion engine, said device () being able to be installed at least facing an exchanger () for the thermal conditioning of the stream of gas, the device comprises a first canal (), referred to as central canal, for the circulation of the stream of gas, delimited by a first part () of a wall () and intended to channel the stream of gas toward a first zone () of a face () of the exchanger (), said device comprising at least one second canal (), referred to as lateral canal, for the circulation of the stream of gas, delimited by a second part () of the wall () and intended to channel the stream of gas toward a second zone () of said face () of the exchanger (). The invention also relates to an intake airbox of an internal combustion engine and to an air inlet box of said airbox equipped with such a device. It further relates to an air intake module of an internal combustion engine comprising such an airbox.

Device for channeling a flow of feed gas for an internal combustion engine

The invention relates to a method of manufacturing a thermoelectric device comprising a plurality of thermoelectric components () for creating an electric current from a temperature gradient applied between two faces () thereof. In the method, a thermally conductive support () is provided in contact with a hot or cold source, a thermally conductive and electrically insulating material is thermally sprayed on the support () to produce a coating (), and an electrically conductive material is thermally sprayed onto the coating () to form electric conduction tracks () which are intended to receive the thermoelectric components () via the faces () thereof. The invention also relates to a thermoelectric device obtained by the method.

Method for manufacturing a thermoelectric device, particularly intended to generate an electric current in a motor vehicle, and thermoelectric device obtained by such a method

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Laval, France

Patrick Boisselle