Abstract: An air inlet module incorporating, in one structural unit, on the one hand, a supply manifold, on the other hand, an exhaust gas reinjection circuit and, finally, a gas/liquid heat exchanger designed to cool the exhaust gases, the module consisting of a sealed assembly of at most four parts, namely, a first part comprising the inlet manifold, the outlet manifolds, a portion of the supply conduit, and a hollow body forming the tank of the exchanger, a second part comprising the many circulation manifolds and a support body for assembling said manifolds in the tank, and a third part of which one portion forms a cover for the hollow open container and comprising several conduit portions forming at least partially the exhaust gas circulation circuit and conveying these gases to the inlet manifold, also incorporated in said third part.

Abstract: An air inlet module incorporating, in one structural unit, on the one hand, a supply manifold, on the other hand, an exhaust gas reinjection circuit and, finally, a gas/liquid heat exchanger designed to cool the exhaust gases, the module consisting of a sealed assembly of at most four parts, namely, a first part comprising the inlet manifold, the outlet manifolds, a portion of the supply conduit, and a hollow body forming the tank of the exchanger, a second part comprising the many circulation manifolds and a support body for assembling said manifolds in the tank, and a third part of which one portion forms a cover for the hollow open container and comprising several conduit portions forming at least partially the exhaust gas circulation circuit and conveying these gases to the inlet manifold, also incorporated in said third part.

Abstract: The present invention relates to a water-type cooling unit for a vehicle equipped with an internal-combustion engine, the unit being connected via a main circulation loop formed by appropriate conduits, in particular to at least one radiator for cooling the water or the similar coolant and to the circuits for cooling the cylinder block and the cylinder heads. Unit, characterized in that it comprises a central module in the form of a body made of thermoplastic material in which there are, in particular, mounted or partially molded a water-circulating pump and a flow-regulating valve disposed in the circulating loop, preferably between the aforementioned cooling circuits and the radiator.

Abstract: The present invention relates to a water-type cooling unit for a vehicle equipped with an internal-combustion engine, the unit being connected via a main circulation loop formed by appropriate conduits, in particular to at least one radiator for cooling the water or the similar coolant and to the circuits for cooling the cylinder block and the cylinder heads.

Abstract: An inlet manifold/throttle valve chamber unit for a vehicle comprising a heat engine, is characterized in that a module (2) for adjusting the passage cross section is attached in the region of the fresh air feed orifice (3) of an inlet manifold (1) so as to form an integrated inlet manifold/throttle valve chamber unit.

Abstract: The device is used to fit a hot element (8) to a hollow body (1) including at least one cold fluid inlet pipe (2) and at least one fluid outlet pipe (3b), said hollow body (1) being made of a thermoplastic which cannot withstand the temperature of the hot element (8). The device includes an inlet adapter (9) of a single piece with the hollow body (1) and intended to surround said hot element (8) without contact, guide and retaining member (10) for keeping the hot element (8) out of contact with the inlet adapter (9) and retaining it inside the latter, seal (11) for sealing between the outer peripheral surface of the hot element (8) and the inner peripheral surface of the adapter (9), and means for causing at least some of the fluid penetrating the hollow body (1) to circulate through the space (14) lying between the adapter (9) and the hot element (8). Use especially for fitting an internal combustion engine exhaust gas recirculation pipe to an air intake manifold, made of thermoplastic, of said engine.