Abstract: A multifunctional module for internal combustion engine, forming a structural assembly and incorporating the functions of exhaust gas cooling and regulation, at least in part, of the circulation flows in said engine's cooling circuit, comprising a first functional unit incorporating, on the one hand, a part at least of an exhaust gas recirculation circuit and a heat exchanger for cooling the gases, preferably of elongated form, together with at least one gas flow regulation/diversion component, and, on the other hand, a part at least of the engine cooling circuit, with at least the water outlet casing and a thermostatic component for regulating the flow therein; the structural assembly comprises a second functional unit in the form of a substantially flat, plate-shaped body, consisting of a stiffening and fixing plate for the first functional unit and a thermal isolation interface between the first functional unit and the engine block; the plate-shaped body comprises on one of its faces sites for fitting and

Abstract: A control device for the throughput in a conduit portion a is provided. The device comprises a valve or a flap composed of a body mounted on a rotary support shaft and being displaceable between a position of maximum closure and a position of minimum closure by pivoting about said shaft. The device is characterised in that at least one shape or structure (4,4?) which is at least partially obstructive, by projecting into the internal passage of said conduit portion (1) and locally reducing the passage section thereof, is present in the region of the internal face of the wall of said conduit portion. The device includes at least one cooperating surface zone (5) which intimately mates with the shape of at least one part of the imaginary surface swept by at least one segment of the external peripheral edge (6) of the body (2) of the valve or flap when pivoted.

Abstract: A multifunctional module for internal combustion engine, forming a structural assembly and incorporating the functions of exhaust gas cooling and regulation, at least in part, of the circulation flows in said engine's cooling circuit, comprising a first functional unit incorporating, on the one hand, a part at least of an exhaust gas recirculation circuit and a heat exchanger for cooling the gases, preferably of elongated form, together with at least one gas flow regulation/diversion component, and, on the other hand, a part at least of the engine cooling circuit, with at least the water outlet casing and a thermostatic component for regulating the flow therein; the structural assembly comprises a second functional unit in the form of a substantially flat, plate-shaped body, consisting of a stiffening and fixing plate for the first functional unit and a thermal isolation interface between the first functional unit and the engine block; the plate-shaped body comprises on one of its faces sites for fitting and

Abstract: A pump/valve assembly forming part of a circuit for circulating a liquid fluid has a pump and a proportional-control valve unit (2) in series with the pump. The valve unit (2) has a valve (3), an electrical actuator (4) and a position sensor (5) which are fixed to a movable member (3?) sealing the valve (3) for displacement therewith, and control means (6) controlling the actuator (4) according to the position of the movable member (3?) indicated by the sensor (5) and a reference signal. The valve unit (2) is subjected to a procedure indexing the position of the movable member (3?) and setting parameters for the control means (6) at the beginning of each new operating cycle of the assembly, and the pump (1) is rotated at a constant speed selected from a limited number of predetermined speeds at least during part of each operating cycle.

Abstract: A variable output pump device, comprising a movable component capable of displacing a liquid fluid, said movable component being driven at constant speed by a motor, a similar actuating means or a means of transmitting movement, said movable component being mounted in a chamber of a housing comprising a supply passage or orifice and an outlet passage, the output of the pump device being variable according to the temperature of the liquid fluid aspirated and delivered by said device, at least within a certain temperature range. The pump device also comprises a heat-sensitive component mounted in the supply passage or orifice or in the outlet passage, the apparent surface in a projection plane perpendicular to the direction of the fluid flow of said heat-sensitive component being a function of the temperature of said fluid with which it is in direct contact.

Abstract: The present invention relates to control device for the throughput in a conduit portion, comprising a valve or a flap composed of a body mounted on a rotary support shaft and being displaceable between a position of maximum closure and a position of minimum closure by pivoting about said shaft. Device characterised in that at least one shape or structure (4, 4?) which is at least partially obstructive, projecting into the internal passage of said conduit portion (1) and locally reducing the passage section thereof, is present in the region of the internal face of the wall (1) of said conduit portion (1) and comprises at least one cooperating surface zone (5) which intimately mates with the shape of at least one part of the imaginary surface swept by at least one segment of the external peripheral edge (6) of the body (2) of the valve or flap when pivoted.

Abstract: The subject of the invention is a pump/valve assembly and a cooling circuit containing such an assembly.

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 flap valve device and a regulation assembly comprising such devices. A pivoting flap valve device has a flap body substantially in the form of a disc mounted on a support and control axle, for the regulation of the circulation of a fluid, particularly a liquid, between an upstream conduit portion and a downstream conduit portion. The flap body (2) is mounted centered on the axle (3), in that the two conduit portions (4 and 5) are axially offset relative to each other and in that the internal surfaces (7, 7′) of the opposed offsets resulting from the axial offset or non-alignment of the portions (4 and 5) constitute bearing surfaces (7, 7′) for two complementary seat portions (6, 6′) for the flap body (2), located on opposite sides of the axle (3) carrying the flap body (2).

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: The present invention relates to a flap valve device and a regulation assembly comprising such devices. A pivoting flap valve device has a flap body substantially in the form of a disc mounted on a support and control axle, for the regulation of the circulation of a fluid, particularly a liquid, between an upstream conduit portion and a downstream conduit portion. The flap body (2) is mounted centered on the axle (3), in that the two conduit portions (4 and 5) are axially offset relative to each other and in that the internal surfaces (7, 7′) of the opposed offsets resulting from the axial offset or non-alignment of the portions (4 and 5) constitute bearing surfaces (7, 7′) for two complementary seat portions (6, 6′) for the flap body (2), located on opposite sides of the axle (3) carrying the flap body (2).