Abstract: An electrical connection interface (100) of a device for electrically heating a flow of air flowing within a ventilation, heating and/or air conditioning system of a motor vehicle comprises, in a panel (102), at least one notch that is dimensioned for receiving a connection terminal (126) mounted at the end of an electrode of a heating element of the electric heating device. The electrical connection interface comprises at least one device for limiting the shear (101) of the connection terminal which extends proud from the panel (102) adjacent to the notch.

Abstract: The invention relates to a method for managing heat in the event of detecting overheating of an electrical heating device, in particular for a motor vehicle, comprising a plurality of resistive elements configured to be supplied with electric power using a control signal by pulse width modulation according to a setpoint. According to the invention, the method comprises the following steps: activating a first phase (P1) of gradual adjustment of the setpoint in a first direction of progression, and repeating the first phase (P1) of adjustment until the recorded duty cycle of the control signal by pulse width modulation (PWM_(sub)system) exceeds a determined detection threshold value (PWM_(sub)system_lim_i), and if not, —activating a second phase (P2) of adjustment of the setpoint in a second direction of progression opposite the direction of progression in the first adjustment phase (P1). The invention also relates to a control unit for implementing such a method.

Abstract: The invention concerns a heat management method for an electric heating device comprising at least one subassembly of resistive elements configured to be electrically supplied and a support for a circuit supplying power to the resistive elements, wherein the power supply of the resistive elements is controlled according to a power setpoint (P_(sub)system_target_0) or temperature (T_(sub)system_target_0) or electrical current amplitude (i_(sub)system_target_0) or resistance (R_(sub)system_target_0), or even a duty ratio of the control signal (PWM_(sub)system_target_0).

Abstract: A motor support comprises two coaxial rings (20; 22) and an element for limiting the tilting of the inner ring relative to the outer ring. The limiting element comprises a finger (26) projecting from a first of the rings (20; 22) and housed in a receptacle (28) in the second of the rings (20; 22). An axial end-stop in the receptacle (28) limits the movement of the finger (26) in the receptacle (28) in the direction of the common axis (A) of the two rings (20; 22). The axial end-stop comprises a spigot (32) extending from a base (38) of a peg (36) through a wall (45) of the receptacle. The base (38) of the peg (36) is fixed to the second ring. The spigot (32) has a projection (44) capable of abutting against the wall (45) of the receptacle (28).

Abstract: The motor support (16) comprises an inner ring (20) able to receive an element of the motor and an outer ring (22) able to be fastened to a housing, and a means (24) of decoupling between the two coaxial rings (20; 22) comprising a plurality of pads (46) of elastomer material that are interposed between the inner ring (20) and the outer ring (22). Each pad (46) is substantially “H”-shaped in form. The two arms (46int, 46ext; 461, 462) of the «H» are separated by a distance B. Each arm (46int, 46ext; 461, 462) has a width D measured in the radial direction. The web (46a) of the “H” has a width A measured in the orthoradial direction. The ratio A/B B is greater than or equal to 1.4, and the ratio A/D is greater than or equal to 2.

Abstract: The invention concerns a control device comprising: a first electronic switch (2) suitable for being connected to an electric heating element (101) and a second electronic switch (3) suitable for being connected to an electric heating element (101), a sensor for measuring a first temperature (T1) and a microcontroller (4) associated with the first electronic switch (2), the microcontroller (4) being configured to open or close the first switch (2) depending on the first measured temperature value (T1), a sensor for measuring a second temperature (T2) and a logic control module (5) associated with the second electronic switch (3) and comprising a comparator (6) arranged to compare the second measured temperature (T2) with a threshold, the module (5) being configured to open or close the second switch (3) depending on the result of the comparison.

Abstract: A device for regulating an air stream for an air inlet of a motor vehicle may include a duct defining a flow channel in which an air stream flows. A cooling unit is arranged in the duct and includes at least one heat exchanger and a motor-fan unit. Additionally, the duct includes at least one sound absorption means arranged so that it at least partially limits the propagation of noise annoyance to the outside of the duct. A motor vehicle may include the regulation device.

Abstract: The motor support (16) for a motor-fan unit of a ventilation installation for a vehicle comprises: two coaxial rings (20; 22), including an inner ring (20) capable of receiving one or more elements of the motor and an outer ring (22) capable of fixing fastened to a housing forming a structural element, a decoupling element (24) between the two coaxial rings (20; 22); and a means (44) for limiting the relative movement of one of the two rings (20:22) relative to the other, in a plane normal to the common axis (A) of the two rings (20; 22) comprising at least one radial abutment (44) fastened to one of the two rings (20; 22), with a radial clearance between the radial abutment (44) and the other of the two rings (20; 22).

Abstract: The invention relates to a casing for protecting at least one electric battery module (M), comprising at least one element (9) for thermal regulation of said at least one module (M) in which a heat-transfer fluid flows. According to the invention, the protective housing comprises at least one duct (10), for conveying heat-transfer fluid, that extends in at least one wall of the protective casing (B, 1, 2, 3, 4) and is in fluid connection with said at least one thermal regulation element (9).

Abstract: Deflector device (7) for a motor vehicle wheel (3), comprising at least one aerodynamic region (4, 400, 401) designed to be exposed to an external air flow (IO), the device (7) further comprising an articulated mechanism (21) for moving the at least one aerodynamic region (4, 400, 401) so as to allow the deflector (7) to move from the retracted position to the deployed position, said articulated mechanism (21) comprising a drive member (22), and said articulated mechanism (21) being arranged to move the drive member (22) translationally when the deflector device (7) moves from the retracted position to the deployed position, the deflector device (7) comprising an actuator (19) configured to control the articulated mechanism (21) so as to allow the aerodynamic regions of the deflector to move relative to each other, said deflector device (7) further comprising a security device (50) configured to return said deflector device (7) to the retracted position without intervention by the actuator (19).

Abstract: Disclosed is a device (2) for regulating the temperature of an electrical element liable to heat up. The device (2) comprises a dielectric fluid circuit comprising sprinkling means (8) for sprinkling the surface of the element with the dielectric fluid and a tank (10) of dielectric fluid. The tank comprises a main volume (12). The main volume is intended to contain the electrical element liable to heat up, and a secondary volume (14) for storing dielectric fluid. The secondary volume is fluidically connected to the sprinkling means. The secondary volume is at least partially peripheral relative to the main volume.

Abstract: A heat exchanger (1) comprising a heat-exchange core (2) in which a plurality of tubes (28) in which a second fluid circulates and a plurality of dissipation devices (30) between which a first fluid circulates are received, and at least one manifold (8) defining an internal volume (42) through which the first fluid passes and facing which is a foot (48) of said manifold (8), the heat exchanger (1) also comprising a connecting part (10) disposed between the heat-exchange core (2) and the manifold (8), the connecting part (10) comprising at least one tab (72) which extends in the internal volume (42) of the manifold (8) and so as to partially overlap the foot (48) of the manifold (8).

Abstract: The invention relates to a cooling module (22) for a motor vehicle, preferably having an electric motor, comprising: —at least one heat exchanger (24, 26, 28), —at least one tangential turbomachine (30) capable of creating a flow of air in contact with said at least one heat exchanger (24, 26, 28), and —a fairing (40) for housing said at least one heat exchanger (24, 26, 28), wherein the fairing (40) comprises at least one indentation (34-1, 34-2, 36-1, 36-2, 38-1, 38-2) for retaining at least one heat exchanger.

Abstract: The invention relates to an electronic interface housing (6) of an electrical heating device (1) for heating an airflow passing through, the electronic interface housing (6) being configured to house electronic components for controlling at least one heating element (4) fitted to the electrical heating device (1), including at least one printed circuit board (44), the electronic interface housing (6) comprising at least one rib (56, 58) in contact with the printed circuit board (44) in a contact zone (54), characterized in that the printed circuit board (44) comprises at least one water drainage opening (82) in the contact zone (54).

Abstract: A thermal management circuit for a hybrid or electric vehicle is disclosed. The thermal management circuit has a first reversible air conditioning loop in which a refrigerant circulates and includes a two-fluid heat exchanger arranged jointly on a second loop for the circulation of a heat-transfer fluid. The second loop for the circulation of a heat-transfer fluid includes a first circulation branch including in the direction in which the heat-transfer fluid circulates, a first pump, a first radiator arranged in an internal air flow, and a battery heat exchanger. A second circulation branch is connected in parallel with the second radiator and includes a second pump and an electric device for heating the heat-transfer fluid. A third circulation branch connected in parallel with the first pump and the battery heat exchanger includes the two-fluid heat exchanger.

Abstract: Disclosed is a method for controlling a thermal regulation circuit of a vehicle, the circuit comprising first (2) and second (4) heat exchangers situated in series in a circulation direction of an air flow intended to pass through them in this order, the circuit further comprising an additional heat exchanger (16) situated upstream from the first heat exchanger (2) in the circulation direction of the air flow, the circuit being configured to allow the circulation of a refrigerant fluid in the first exchanger (2) and the circulation of a heat transfer fluid in the second exchanger (4) and in the additional exchanger (16), the method comprising a step of generating or increasing a flow rate of the heat transfer fluid in the additional exchanger (16) depending on operating modes of the circuit.

Abstract: The invention concerns a control device (1) for a heating and/or ventilation and/or air conditioning installation of a motor vehicle, the installation comprising an air treatment unit (9) comprising air outlets intended to open into a zone (ZG, ZD) of the passenger compartment of the vehicle, including at least first and second air outlets, and at least first (21) and second (23, 25) members for mixing the air flow. According to the invention, the device (1) comprises a user interface (5) comprising at least first (51) and second (53) control members, and a control circuit (7) for receiving, from each control member (51, 53), an input signal with its own temperature setpoint, and for delivering separate control signals for controlling the first and second mixing members (21, 23, 25).

Abstract: A ventilation device (24) for a cooling module (22) of a motor vehicle (10) comprises a tangential flow turbomachine (28-1; 28-2) with an impeller wheel (32-1; 32-2), a frame (30) forming a recess (30-1; 30-2) for receiving the impeller wheel (32-1; 32-2), flaps (52-1; 52-2) which pivot relative to the frame (30), the flaps (52-1; 52-2) being suitable for selectively closing off an opening (51-1; 51-2) through the frame (30). An actuator (54-1; 54-2) for controlling the pivoting of the flaps (52-1; 52-2) comprises an electric motor (56-1; 56-2), the output shaft of which rotates one of the flaps (52-1; 52-2) and a rod (58-1) connecting one flap (52-1; 52-2) to the other flaps (52-1; 52-2), such that the rotation of one flap (52-1; 52-2) is transmitted to the other flaps (52-1; 52-2).

Abstract: A heating, ventilating and/or air-conditioning device for a motor vehicle, comprising a housing that defines a flow channel having at least a first duct for the flow of a first stream of air, defining a first air outlet, at least a second duct for the flow of a second stream of air, defining a second air outlet, at least one mixing chamber communicating with the respective air outlets of said ducts, and at least one mixing flap comprising a first sliding door arranged so as to control the apportionment of the first stream of air and second stream of air in said at least one mixing chamber, said at least one mixing flap being arranged so as to be movable between a first end position, in which it closes the first duct, and a second end position, in which it closes the second duct.

Abstract: The invention concerns a device for distribution of a refrigerant fluid in a header of a heat exchanger comprising at least two conduits (12, 13), an external conduit (12) and an internal conduit (13), with the internal conduit accommodated in the external conduit in such a manner as to form a volume (14) for communication between the internal conduit and the external conduit, the external conduit comprising spraying orifices (120) each having an axis (120A) intersecting a principal lengthwise axis (12A) of the external conduit, the internal conduit comprising at least one communication orifice having an axis intersecting a principal lengthwise axis of the internal conduit. According to the invention, the internal conduit (13) comprises a portion (16) of reduced thickness formed by removal of material from an external face of the internal conduit (13), the external face facing toward the external conduit (12).