Abstract: The invention relates to a device for electrically heating fluid for a motor vehicle, characterized in that it comprises: at least one heating module (2a, 2b) comprising at least one heating element (7a, 7b) and defining a circuit (7a, 7b) for guiding the fluid to be heated; a means (3) for controlling the heating element (7a, 7b), comprising an electric current switch (14a, 14b) connected to said heating element (7a, 7b) and a heat sink (15) having a first surface (19), which is to contact the fluid, and a second surface (19), which is to contact a sole plate (16) of said electric current switch (14a, 14b). The invention also relates to a heating and/or air-conditioning apparatus for a motor vehicle, including at least one such electric-heating device (1).

Abstract: The invention relates to a heat exchanger (1) for exchanging heat between a first and a second fluid, in particular for supplying the combustion engine of a motor vehicle with air, the heat exchanger comprising at least one heat-exchanging nest (5) through which flows the first fluid F1 and a casing (7) in which the heat-exchanging nest (5) is accommodated such that the second fluid F2 can flow therethrough. The heat-exchanging nest (5) comprises plates (23) for the circulation of the first fluid F1, the plates being stacked one on top of the other, at least one of the plates (23) having a rim (29) disposed between the heat-exchanging nest (5) and the casing (7) so as to restrict the second fluid F2 in its flow about the nest.

Abstract: The invention relates to a heat exchanger comprising a housing suitable for enclosing a heat exchange bundle (40), said housing having an opening for receiving said heat exchange bundle (40) inside said housing, said heat exchange bundle (40) comprising a first extremity designed to plug the opening of the housing when the heat exchange bundle (40) is inserted into said housing (30).

Abstract: A heat exchanger (10) comprises an alternating stacking of first plates (12) and second plates (14) provided respectively with first corrugations (16) separated by a first pitch (P1) and second corrugations (18) separated by a second pitch (P2), which is different from the first pitch (P1). Between the plates, first flow channels are defined having a first cross sectional area adapted to a first fluid (F1) which alternate with second flow channels having a second cross sectional area adapted to a second fluid (F2). The invention applies in particular to heat exchangers for motor vehicles.

Abstract: A tub comprising a body for holding a volume of water. A tub system is coupled to the body to perform a function on the volume of water. At least a first circuit has a first circuit portion comprising at least one resistive switch mounted to a visible surface of the body and comprising at least a first resistive element adapted to be contacted by a bather, second circuit portion comprising a water detection sensor mounted to the body for containing liquid in the body above a given level, the first circuit being open between the first resistive element and the water detection sensor, an actuating closed circuit condition by which a bather in liquid above the given level closes the first circuit between the first circuit portion and the second circuit portion when touching the first resistive element.

Abstract: The heat exchanger (1) of the invention has exchange elements (2, 3?) and a casing (4) for accommodating the exchange elements (2, 3?). The casing (4) is formed by a plurality of walls connected together. The exchanger (1) is characterized in that the casing (4) has two L-shaped walls. The casing (4) is easier to manufacture and store.

Abstract: A control device for a flow of intake gas and/or recirculated exhaust gases in a cylinder of an internal combustion engine, and for an intake module comprising at least one pipe which is arranged so as to supply the cylinder is disclosed. The control device comprises a means for sealing, and a means for deactivating at least one pipe which is able to be controlled between a first position in which the pipe supplies the cylinder with the intake gases (F) and a second position in which the pipe supplies the cylinder with the recirculated exhaust gases. The means for sealing is configured so as to be displaced as a result of the difference in pressure between the intake and the exhaust on both sides of the means for sealing between a locked position of the means for deactivating in the first position, and a position of release of the means for deactivating.

Abstract: The invention notably relates to a computer-implemented method for designing a three-dimensional modeled object comprising providing sample points of 3D curves sketched by a user; determining a volumetric function, within a predetermined class of volumetric functions, as the optimum of an optimization program that explores orientation vectors defined at the sample points under the constraint that the explored orientation vectors be normal to the 3D curves and respect a minimal rotation propagation condition over each 3D curve, wherein the optimization program penalizes a distance from the explored orientation vectors; and fitting the sample points with an isovalue surface of the volumetric function.

Abstract: A device for thermal conditioning includes a cooling fluid circuit, a heat transfer fluid circuit, and a fluid/fluid heat exchanger that is intended to enable thermal exchange between the cooling fluid and the heat transfer fluid. The cooling fluid circuit includes at least one compressor, a first outer heat exchanger through which an outer air flow passes and a first evaporator. The heat transfer fluid circuit includes at least a first inner heat exchanger, a first heat source and a second outer heat exchanger through which the outer air flow passes. The cooling fluid circuit includes a second evaporator.

Abstract: A heat exchanger exchanges heat between first and second fluids. The heat exchanger includes a heat exchange core which includes first circulation channels of the first fluid and second circulation channels of the second fluid. The heat exchanger includes an inlet collector box for the first fluid and an outlet collector box for the first fluid, into which the ends of said first channels open out. The heat exchanger includes an inlet connection piece for the second fluid and an outlet connection piece for the second fluid. The inlet and outlet collector boxes for the first fluid are separated by a deflector. The heat exchanger includes an intermediate collector box communicating with the first channels to create a U-circulation of the first fluid in said first channels. The heat exchanger includes an intermediate compartment communicating with the second channels for a U-circulation of the second fluid in the second channels.

Abstract: The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1, 26.2, 26.3, 26.4) having a cross section and a height extending through the thickness of the material. According to the invention, the cross sections and/or the heights of at least two of the injection ports (26.1, 26.2, 26.3, 26.4) are different.

Abstract: The invention relates to an assembly of two parts crimped together by folding at least one portion of peripheral edge (12) of one so-called first part (8) over the other so-called second part (9). Said first part (8) has a hinge-forming region facilitating the folding of said portion of peripheral edge (12). The invention also relates to a manifold comprising said assembly and a heat exchanger comprising said manifold.

Abstract: The invention relates to a heating module for a supplemental electric heating device for heating an airflow, comprising at least one heat-conductive bar against which at least one electric resistor is arranged. The heat-conductive bar is partially electrically insulated by an insulating coating in order to prevent potential short-circuits and to ensure proper operation and optimal safety when heating the passenger compartment of a vehicle.

Abstract: Display device intended notably for a motor vehicle and comprising: —a display screen (2), —a touch-sensitive pad (5) positioned in front of the display screen, —a lateral surround (3) positioned over part of the front surface of the display screen, —a first opaque mask (4) positioned between the touch-sensitive pad and the lateral surround (3) and extending toward the centre of the front surface of the display screen beyond the lateral surround so as to conceal said lateral surround, —a second opaque mask (6) positioned in front of the touch-sensitive pad and concealing a lateral part of the front surface of the touch-sensitive pad which part is positioned in front of the first mask, in which device the first mask extends toward the centre of the front surface of the screen beyond the second mask.

Abstract: The invention relates to an electric device for heating a fluid for a motor vehicle, comprising:—at least one heating module comprising a metal heating body having at least one electric heating means made in the form of a heating track on a surface of the heating body and—control means for said heating module comprising electronic and/or electrical components. According to the invention, at least one electronic and/or electrical component of the control means is arranged on the surface of the heating body having the heating track, in electrical contact with the heating track. The invention also relates to a heating and/or air conditioning apparatus comprising such a device.

Abstract: A system and method for generating a burst of ultra-short, high-power laser pulses, the system includes elements for generating laser pulses having a repetition period ?1, amplification elements including an optical amplifier medium, a regenerative optical cavity, elements for injecting the laser pulses into the regenerative optical cavity, and elements for extracting the laser pulses from the regenerative optical cavity. The regenerative optical cavity has a total length such that the duration of a round trip of each pulse is between N?1 and N times the period ?1, wherein N is an integer higher than or equal to 2, the injection elements are adapted for trapping a burst of N laser pulses in the regenerative optical cavity, the extraction elements are suitable to extract the burst of N laser pulses from the regenerative optical cavity, and the optical amplifier medium is suitable for forming a burst of amplified laser pulses.

Abstract: The invention relates to a device for controlling a complementary electric radiator (R) installed in a ventilation system used in the automotive sector, said device including at least two electronic modules each including a computer, a control module (1) capable of sending operating commands to the radiator and a management module (2), which is implemented within the electric radiator (R) in order to manage the operation thereof on the basis of commands received from the control module (1). According to the invention, the control module (1) includes a unit for generating and transmitting a PWM signal representative of the operating commands being sent to the radiator (R) over a communication wire (3) connected to the management module (2) and a unit for reading the signal travelling over the communication wire (3); the management module (2) includes a unit for altering the PWM signal travelling over the communication wire on the basis of detected events in the operation of the radiator (R).

Abstract: The invention relates to an air-conditioning loop for heating, ventilation, and/or air-conditioning equipment in which a coolant circulates. The loop including a compressor comprising a coolant outlet connected to a delivery pipe and a coolant inlet connected to a suction pipe. The loop also including an internal heat exchanger which is capable of functioning at least as a condenser, and which is connected to the compressor via the delivery pipe. The loop also including an external unit which is connected to the compressor via the suction pipe and which includes at least one external heat exchanger capable of functioning at least as an evaporator, with the internal heat exchanger being connected to the external unit via a first intermediate duct comprising at least one pressure-release member. The loop includes a deicing pipe connected to the compressor and/or to the delivery pipe, as well as to the external unit.

Abstract: The invention relates to a heat exchanger for exchanging heat between a first (HP) and a second (BP) fluids. According to the invention, said exchanger comprises a plurality of modules (15,15a,15b,15c) respectively including an upper plate (17) and a lower plate (19) assembled so as to define, between said plates (17,19), an inner cavity (21) forming a first circulating channel for the first fluid (HP), wherein said exchanger further comprises a housing (3) in which said modules (15,15a,15b,15c) are assembled in order to form said exchanger while defining spaces (33) between said modules, said spaces forming second circulation channels for the second fluid (BP).

Abstract: The present invention relates to a heat exchanger for exchanging heat between first and second fluids, said exchanger including: a casing and an exchange bundle positioned inside said casing, wherein the exchange bundle includes: a main surface which has a main width and which consists of a plurality of tubes suitable for guiding the first fluid inside said tubes; an intake of the first fluid toward an outlet of the first fluid, making it possible to guide, outside of said tubes, the second fluid; an intake of the second fluid toward an outlet of the second fluid; wherein the tubes are, at least at one first end, assembled such as to form a secondary surface having a secondary width which is smaller than the main width for coupling with the intake and/or the outlet of the first fluid; wherein the secondary surface at the first end of the tubes is formed such as to create a space between the casing and the outer surface of the secondary surface, said space being connected to the intake and/or the outlet of the