Abstract: The present invention relates to an electric actuator (1) suitable for driving a movable element for a heating, ventilation and/or air conditioning system for a motor vehicle, comprising: an electric motor (10) comprising a stator (100) and a rotor (101); a satellite ring gear (12) comprising at least one satellite (120); an output wheel (13) suitable for being rotated by said satellite ring gear (12); wherein: said electric actuator (1) further comprises a drive wheel (11), directly connected to said rotor (101), suitable for being rotated by said rotor (101) and suitable for rotating said satellite ring gear (12); said output wheel (13) comprises an output star wheel (130) suitable for driving said movable element (20) of said ventilation, heating and/or air conditioning system.

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: A heating device includes a PCB (10), at least one heating element (30, 31, 32), bus bars (60a, 60b, 60c) and a terminal pin (40) and a terminal plate (70). At least a portion of the PCB (10) extends out of a PCB housing (20). The terminal pin (40) is disposed in a connector housing (50) disposed at least partially outside the PCB housing (20). At least one of the connector housing (50) and the portion of the PCB (10) extending out of the PCB housing (20) includes at least one support element (52) to support the connector housing (50) in a pre-determined position with respect to the PCB (10).

Abstract: The invention relates to an electric fluid heating device (1) comprising: at least one fluid inlet (7), at least one fluid outlet (11), at least one heating element (13), at least one first temperature sensor (21) for measuring the temperature of said at least one heating element (13), and a control module (15) of the at least one heating element (13). According to the invention, the device (1) comprises at least a second temperature sensor (23) for measuring the temperature of the fluid at the at least one outlet (11), and the control module (15) comprises at least one processing means (17, 19, 35) for: using the temperature information (T21, T23) from the temperature sensors (21, 24), and for generating a command for the at least one heating element (13) according to the temperature information (T21, T23). The invention also relates to an associated heating circuit and method for managing the temperature.

Abstract: The invention relates to a frame (3) for an electric heating device (1), comprising at least one housing (7) intended to receive a heating element (5), said housing being defined by a plurality of longitudinal walls (23, 25) forming an insertion path for a heating element, and said insertion path being defined longitudinally by a back wall extending opposite an opening through which the heating element can be inserted into the housing. According to the invention, at least one of the longitudinal walls comprises a displacement reducing element (10) projecting from the wall. The displacement reducing element (10) comprises a ramp (11) that slopes gradually into the housing, towards the opposite longitudinal wall, said displacement reducing element (10) being arranged such that the downstream end (14, 15) thereof extends at a distance from the back wall (21).

Abstract: The present invention relates to an electric actuator (1) suitable for driving a movable element for a heating, ventilation and/or air conditioning system for a motor vehicle, comprising: an electric motor (10) comprising a stator (100) and a rotor (101); a satellite ring gear (12) comprising at least one satellite (120); an output wheel (13) suitable for being rotated by said satellite ring gear (12); wherein: said electric actuator (1) further comprises a drive wheel (11), directly connected to said rotor (101), suitable for being rotated by said rotor (101) and suitable for rotating said satellite ring gear (12); said output wheel (13) comprises an output star wheel (130) suitable for driving said movable element (20) of said ventilation, heating and/or air conditioning system.

Abstract: The invention relates to an electric heating device for a heat transfer fluid for a motor vehicle, comprising at least:—a heating module;—a housing; and at least partially delimiting at least two circuits for conducting the heat transfer fluid; characterized in that—the heating module extends at least partially into said two conducting circuits.

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 an electric fluid heating device (1) comprising:—at least one fluid inlet (7),—at least one fluid outlet (11),—at least one heating element (13),—at least one first temperature sensor (21) for measuring the temperature of said at least one heating element (13), and—a control module (15) of the at least one heating element (13). According to the invention,—the device (1) comprises at least a second temperature sensor (23) for measuring the temperature of the fluid at the at least one outlet (11), and—the control module (15) comprises at least one processing means (17, 19, 35) for: using the temperature information (T21, T23) from the temperature sensors (21, 24), and for generating a command for the at least one heating element (13) according to the temperature information (T21, T23). The invention also relates to an associated heating circuit and method for managing the temperature.

Abstract: A device (1) for controlling an electrical heating circuit (2) comprising a number N of heating elements (21-23) connected in parallel, comprises, according to the invention: N electronic switches (T1-T3), each able to be connected in series with one of the N heating elements (21-23); a module (10) able to receive a power setpoint in the form of a control signal (PWM) with duty ratio varying as a function of power; means (12) for extracting a mean value (formula (I)) of the control signal (PWM) received; and P comparators (C1-C3), the integer P being less than or equal to N, which are able to compare the mean value (formula (I)) extracted with P distinct threshold values (Ref1-Ref3) and to generate P comparison signals (S1-S3), each comparison signal serving to control a toggling of the electronic switch (T1-T3) associated with at least one heating element into the open or closed position.

Abstract: The invention relates to a device (5) for electrically heating fluid for a motor vehicle, said heating device (5) comprising at least one heating module (7a, 7b) for heating said fluid, said at least one heating module (7a, 7b) comprising a central core (11) and a heating element (13) defining a guide circuit (15) that guides the fluid between said heating element (13) and said central core (11) such that said at least one heating module (7a, 7b) comprises at least one disturbing element (17; 27; 37; 47) arranged in the fluid guide circuit (15) around the central core (11) and able to disturb the flow of said fluid. The invention also relates to a heating, ventilation and/or air conditioning apparatus (1) for a motor vehicle that comprises such an electrical heating device (5).

Abstract: The invention relates to an electrical liquid heating device for a motor vehicle. The heating device comprises at least a first (7a) and a second (7b) heating module for heating the aforementioned liquid, defining at least one circuit (15) for guiding the liquid to be heated. The device is characterized in that the heating modules (7a, 7b) each have a generally cylindrical shape and are arranged side by side substantially in parallel. The invention also relates to a heating and/or air-conditioning unit for a motor vehicle, comprising such a heating device (5).

Abstract: The invention relates to a device for thermally conditioning a fluid for a motor vehicle, comprising: at least one heat module comprising a core and a shell defining a circuit for guiding the fluid that is to be heated or cooled between the core and the shell, a fluid inlet box (209a) and a fluid outlet box, the inlet box (209a) having at least one fluid inlet canal (225a, 225b) communicating with the fluid guiding circuit. According to the invention, the fluid inlet canal (225a, 225b) has at least one substantially curved portion which is configured to generate a swirling movement in the fluid. The invention also relates to a heating and/or air conditioning apparatus comprising such a device.

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: The invention relates to a thermal conditioning device for a fluid for a motor vehicle, said device comprising at least one thermal module (3a, 3b) comprising:—a core (11) comprising a core body (12), and—an enclosure (13a, 13b): able to be electrically powered so as to form a heat source and arranged around the core (11) so as to define a guide circuit (15) for the fluid to be thermally conditioned, the guide circuit (15) being defined between the body (12) of the core (11) and the enclosure (13a, 13b). According to the invention, the enclosure (13a, 13b) is arranged around the core (11) at a distance (e) from the body (12) of the core (11) comprised between 0.5 mm and 8 mm. The invention also relates to a heating and/or air conditioning apparatus comprising such a device.

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: The invention relates to an electric thermal fluid conditioning device (1) for a motor vehicle, said device (1) comprising at least two thermal modules (3a, 3b) arranged for a parallel flow of the fluid in a direction shared to both thermal modules (3a, 3b), a thermal module (3a, 3b) comprising,—an enclosure (13a, 13b), and—a core (11a, 11b) arranged inside the enclosure (13a, 13b), so as to include a guide circuit (15a, 15b) for the fluid between the core (11a, 11b) and the enclosure (13a, 13b). According to the invention, the core (11a, 11b) of a thermal module (3a, 3b) comprises at least one electric means (17) for heating the fluid, so as to allow a heat transfer between the electric heating means (17) and the fluid able to flow in the guide circuit (15a, 15b).

Abstract: The invention relates to an electrical heating device (1) including a heating body in which at least one electric heating element (8) is installed, the operation of said electric heating element being dependent on a control module (3) constituting the heating device, the heating body (2) including walls (5) at least partially defining a cavity (6) in which the control module (3) is accommodated, characterized in that the electrical heating element (8) and the control module (3) are suitable for being supplied with a so-called low voltage of between 80 and 600 volts, and in that an electrical insulator (17), which covers the walls (5) defining the cavity, is provided.

Abstract: A device (1) for controlling an electrical heating circuit (2) comprising a number N of heating elements (21-23) connected in parallel, comprises, according to the invention: N electronic switches (T1-T3), each able to be connected in series with one of the N heating elements (21-23); a module (10) able to receive a power setpoint in the form of a control signal (PWM) with duty ratio varying as a function of power; means (12) for extracting a mean value (formula (I)) of the control signal (PWM) received; and P comparators (C1-C3), the integer P being less than or equal to N, which are able to compare the mean value (formula (I)) extracted with P distinct threshold values (Ref1-Ref3) and to generate P comparison signals (S1-S3), each comparison signal serving to control a toggling of the electronic switch (T1-T3) associated with at least one heating element into the open or closed position.

Abstract: The invention relates to a motor vehicle heating system comprising a heating circuit (1) containing a heat-transfer liquid, this heater (9) comprising a fluid inlet (11) and a first fluid outlet (12) and a second fluid outlet (13), and means (16, 17) for electrically heating the heat-transfer liquid and for distributing this heating in a controlled manner between the heat-transfer liquid proceeding to the first outlet (12) and the heat-transfer liquid proceeding to the second outlet (13), the first and second outlets (12, 13) being intended to be connected respectively to a first and to a second radiator (3, 4) of the heating circuit, in order to heat these two radiators (3, 4) to different temperatures.