Valeo Systemes Thermiques

Valeo Climatisation

Sylvain Moreau

Francois Busson

Mohamed Yahia

Bertrand Nicolas

Bastien Jovet

Mohamed Ibrahimi

Aurélie Bellenfant

Lionel Robillon

Frédéric Tison

François Busson

Fr&eacute;d&eacute;ric Bousquet

Patrick Samy

Julien Tissot

Alain Pourmarin

Regine Haller

Régine Haller

Philippe Doucet

Maryse Philippe

Jean-Luc Thuez

Patrick Hoger

Frédéric Martin

Frédéric Bousquet

Erwann Quistinic

Jean-Michel Bouzon

Rémi Laronde

Akihiko Takano

The invention relates to a phase-change material reservoirfor a heat exchanger of an air-conditioning installation of a vehicle, the reservoirbeing arranged between two reservoir platesand having filling means, characterized in that the filling meansinclude at least one tubedelimiting a filling channelarranged outside the reservoiragainst a first plateof the reservoir

Reservoir of phase-change material equipped with a filling tube for filling the said reservoir for a heat exchanger of a motor vehicle air conditioning installation

The present invention relates to a tube () with a reservoir of phase-change material for a heat exchange bundle () of a heat exchanger, said tube () with a reservoir of phase-change material including:

Tube with a reservoir of phase-change material for a heat exchanger

The evaporator () for a motor vehicle air conditioning device comprises at least one refrigerant tube (A) intended to allow the circulation of a refrigerant fluid and at least one storage member () comprising at least one housing () comprising a material referred to as a thermal storage material () intended to store frigories and release them to a ventilation fluid intended to circulate towards an interior of the vehicle. The housing () has a substantially hemispherical shape.

Storage evaporator with corrugated plate design facilitating the freezing of the PCM

A connection device for a heat exchanger between a first fluid (L) and a second fluid (G), said device comprising a connector () and a lateral end panel () of a heat exchange bundle () of said exchanger, said lateral panel () including at least one connection element () comprising transversely aligned inlet/outlet openings ('), said connection element () allowing the first fluid to flow between the bundle and the inlet and outlet openings () of the connector (), aligned longitudinally or at an angle relative to said inlet/outlet openings (&#x2032;) of the connection element (), said connection element () and said connector () being of substantially the same length.

Connection device for heat exchanger and heat exchanger provided with said connection device

A heat exchanger comprises a multiplicity of stacked plates having a thickness of less than 0.3 mm, each of which is provided with a male dished member () which delimits a fluid distribution zone () in the exchanger (). At least a first plate () and a second plate () each comprise a peripheral edge () which is assembled in a fluid-tight manner in order to form a fluid circulation pipe. The exchanger also comprises at least one insert () which is provided with a female dished member (), and the male dished member () of the plates () is configured to be introduced into the female dished member () of the insert () in order to ensure fixing between two adjacent fluid circulation pipes or between a side plate () and an adjacent fluid circulation pipe.

Connecting reinforcement for between the plates of a heat exchanger

A tube () of a heat exchanger () is intended to allow an exchange of heat between a first fluid and a second fluid flowing in contact with the tube (). The tube () comprises an upper plate () and a lower plate () positioned facing one another and defining an internal space () in the tube () in which the first fluid is able to circulate. Each of the plates () comprises a bottom () and at least one edge (). The plates () are in contact with one another at the edge (). The tube () comprises a deflection screen () secured to the edge (), with the deflection screen () comprising a first wall () extending transversely to the bottoms () and arranged to deflect the second fluid toward the bottoms (). The invention also relates to a bundle of such tubes and to a heat exchanger comprising such a bundle, and to a method for producing a heat exchanger tube plate.

Heat exchanger tube, heat exchanger tube bundle, heat exchanger comprising such a bundle and method for producing a plate of a heat exchanger tube

A heat exchanger () includes an assembly of plates () stacked in pairs in a longitudinal stacking direction (x) to form a heat exchanger body (), designed for the circulation of a fluid, comprising a connection device () arranged at one extremity of the heat exchanger body () in the longitudinal stacking direction (x). The connection device () includes an end plate () and a cover () that can be assembled together to jointly delimit an inlet duct () and an outlet duct (), respectively, to admit the fluid into the heat exchanger body () and discharge the fluid from the heat exchanger body ().

Heat exchanger with lateral fluid supply

The invention relates to a manifold () for a heat exchanger (), comprising a cover (), an intermediary plate (), and a collector plate (), said manifold () being intended to collect and distribute a fluid. According to the invention, the intermediary plate () defines a first fluid chamber () with the cover () and a second fluid chamber () with the collector plate (), said second chamber being independent of the first (). The invention also relates to a heat exchanger () comprising such a manifold () and to a method for producing such a manifold ().

Manifold intended, in particular, for a battery cooler, and heat exchanger comprising at least one such manifold

Evaporator, notably for motor vehicle air-conditioning circuit. According to the invention, the evaporator (), which comprises three layers&#x2014;upstream (), intermediate () and downstream ()&#x2014;through which there flows a coolant that enters the evaporator () via the intermediate layer () and leaves the evaporator via the upstream layer () to cool an air flow (A) passing in succession across said upstream (), intermediate () and downstream () layers, comprises means (E) for inducing a pressure drop between the outlet of the intermediate layer () and the inlet of the downstream layer ().

Multi-layer evaporator for motor vehicle air-conditioning circuit

A plate () for a heat transfer tube () made from a metal sheet includes a peripheral outer wall () and having at least one first cavity () and least one second cavity () respectively formed in the metal sheet. The first cavity () is in contact with the peripheral outer wall () and the second cavity () is arranged at a distance from the outer wall (). A heat transfer tube () of a heat exchanger () includes a pair of such plates () and a heat exchanger () includes a plurality of such tubes ().

Heat exchanger with heat accumulator

Heat exchanger, for example for a motor vehicle air-conditioning circuit, comprising a plurality of tubes () for circulating a heat-transfer fluid, the ends of said tubes () opening into manifolds and reservoirs () of thermal storage material in contact with the tubes () so that the storage material and the heat-transfer fluid exchange heat with one another. The exchanger comprises a plurality of heat-exchange elements () each housing at least one reservoir () and at least one tube () which are nested.

Heat exchanger with heat storage

A heat exchanger for exchange of heat between a first fluid and a second fluid comprises a stack of pockets () mutually aligned in a longitudinal direction and having two header boxes () that are mutually juxtaposed in a lateral direction. The first fluid is injected into an upstream connecting channel () by a longitudinal nozzle () passing through a heat exchanger end face () remote from the upstream connecting channel, and at least one other connecting channel (). This longitudinal nozzle has a cross section of oblong general shape, whose greatest dimension is parallel to the greatest dimension of the pockets. The heat exchanger may be produced particularly in the form of an evaporator for an air-conditioning device for the passenger compartment of a vehicle.

Performance heat exchanger, in particular an evaporator

Heat exchanger tube with optimized plates

A heat exchanger including an array of tubes ( ) mounted between two fluid boxes ( ) via respective manifolds ( ) and designed to have a fluid run through. The tubes ( ) include at least two channels separated by at least one longitudinal partition ( ) and are arranged in a single row, parallel to the two large surfaces of the exchanger, such that the fluid circulation occurs in at least two layers parallel to the large surfaces of the exchanger and each formed by part of the tube channels. At least one of the fluid boxes ( ) includes an internal longitudinal partition ( ) dividing the fluid box into at least two longitudinal sections communicating with the two layers respectively. The invention is in particular applicable to air conditioning evaporators.

Multichannel tube heat exchanger, in particular for motor vehicle

A plate evaporator comprising a stack of pockets ( ) each formed from two dished plates ( ) delimiting between them a mutually juxtaposed inlet chamber and outlet chamber ( ). One at least of the inlet and outlet pipes ( ), disposed at a same end ( ) of the stack, communicates with the chambers via an end box ( ) interposed between the stack and the pipes. Advantageously, the dimensions of the end box allow a mutual vertical stagger of the pipes ( ), facilitating their installation and connection.

Growing community of inventors

Spay, France

Sylvain Moreau