Abstract: The invention relates to a heat sink of a heating module (3) for an electric heating device (1) for heating an air flow, said heating module (3) comprising at least one heating element (5). The heat sink (7) is designed to be passed through by the air flow and to transmit the heat from the heating element (5) to the air flow to be heated. According to the invention, the heat sink (7) is a single block having at least one housing (9) for receiving at least one heating element (5), said housing (9) having at least one opening in a face of the sink that is intended to be in contact with the air flow. The invention also relates to a heating module (3) comprising at least one heating element (5) and such a heat sink (7). The invention also relates to a method for assembling such a heating module (3).

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 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 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, said heating device comprising at least one module for heating the aforementioned liquid. The device is characterised in that the at least one heating module comprises: a substantially cylindrical chamber (13,113,213) having at least one heating means (114) for heating the liquid and defining a circuit (15,115,215) for guiding the liquid to be heated; and a control means (9,109,209) for controlling said at least one heating means (114), positioned facing one end of the cylindrical chamber (13,113,213).

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 characterised 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 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: The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a power supply control circuit connected to a power source. The heating space includes electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that arc essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

Abstract: A frame for receiving a heating element for an electric heater of a ventilating, heating and/or air conditioning unit of a vehicle, in particular. The frame is shaped in the form of a hollowed-out box whose large faces, intended to be traversed by airflow conveyed by the unit, are held at a distance from each other in order to create between them a space for receiving the heating element. The frame is made of a single part in which means for holding the heating element inside the space are located in the area of the large faces.

Abstract: The invention is directed to a heating assembly comprising, in combination, a main radiator (1) for fluid flow and an electric radiator. The latter is disposed on one face of the main radiator (1) defining its general plane, and consists of a plurality of independent heating elements (6). Each of these heating elements (6) comprises an elementary electrical heating body (7), having connecting means (31, 31?) for connection to an electrical power source, and a finned element (8). These heating elements (6) are assembled on a connecting structure of the electric radiator on the face of the main radiator (1).

Abstract: The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a power supply control circuit connected to a power source. The heating space includes electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that arc essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

Abstract: The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a power supply control circuit connected to a power source. The heating space includes electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that are essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

Abstract: The object of this invention is a frame (1) for receiving a heating element (3) for an electric heater of a ventilating, heating and/or air conditioning unit of a vehicle, in particular. This frame (1) is shaped in the form of a hollowed-out box whose large faces (2. 2?), intended to be traversed by the airflow (A) conveyed by the unit, are held at a distance from each other in order to create between them a space (12) for receiving the heating element (3). The frame (1) is made of a single part in which means for holding (15) the heating element (3) inside said space (12) are located in the area of said large faces (2, 2?).

Abstract: The invention relates to an electric-type heating device 1, particularly intended to heat an air flow passing through a motor vehicle ventilation, heating and/or air-conditioning system, comprising: a heating unit 2 consisting of a frame 4 wherein at least one heating element 5 is fitted, a connector 3 intended to connect the heating element 5 to an electrical power supply from the vehicle, characterized in that the connector 3 comprises a first interface 30 intended to be connected to the heating element and a second interface 17 intended to be connected to the electrical power supply from the vehicle. Application to electric radiators for a motor vehicle.

Abstract: The invention relates to a heating device comprising a housing (15), through which air to be heated can pass and which delimits a heating space controlled by a powersupply control circuit connected to a power source. The heating spacecomprises electric heating modules (14), each heating module consisting of a first and second metal tape (10, 10) that arc essentially parallel in a transversal direction (D) and of a positive temperature coefficient resistive elements (12) fixed between the two metal tapes.

Abstract: Electric heating device comprising an electric radiator (10) for heating the air passing through it, said radiator comprising a casing (12), at least one resistive element mounted in the casing and constituted by at least one zigzag metal strip (22) which is disposed so as to be directly exposed to the air passing through the casing, and a circuit (30) for controlling the electrical supply of the resistive element or elements connected to a power supply. The electric radiator (10) comprises a set of individual heating modules (20) disposed parallel to one another in the casing (12) and so as to be directly exposed to the air passing through the casing, each heating module (20) comprising a pleated or corrugated metal strip (22) and an electronic switch controlled by the control circuit (30) intended to selectively inhibit the electrical supply of the metal strip (22).

Abstract: Electric heating device comprising an electric radiator (10) for heating the air passing through it, said radiator comprising a casing (12), at least one resistive element mounted in the casing and constituted by at least one zigzag metal strip (22) which is disposed so as to be directly exposed to the air passing through the casing, and a circuit (30) for controlling the electrical supply of the resistive element or elements connected to a power supply. The electric radiator (10) comprises a set of individual heating modules (20) disposed parallel to one another in the casing (12) and so as to be directly exposed to the air passing through the casing, each heating module (20) comprising a pleated or corrugated metal strip (22) and an electronic switch controlled by the control circuit (30) intended to selectively inhibit the electrical supply of the metal strip (22).

Abstract: The invention is directed to a heating assembly comprising, in combination, a main radiator (1) for fluid flow and an electric radiator. The latter is disposed on one face of the main radiator (1) defining its general plane, and consists of a plurality of independent heating elements (6). Each of these heating elements (6) comprises an elementary electrical heating body (7), having connecting means (31, 31?) for connection to an electrical power source, and a finned element (8). These heating elements (6) are assembled on a connecting structure of the electric radiator on the face of the main radiator (1).

Abstract: Electric heating device comprising an electric radiator (10) for heating the air passing through it, said radiator comprising a casing (12), at least one resistive element mounted in the casing and constituted by at least one zigzag metal strip (22) which is disposed so as to be directly exposed to the air passing through the casing, and a circuit (30) for controlling the electrical supply of the resistive element or elements connected to a power supply. The electric radiator (10) comprises a set of individual heating modules (20) disposed parallel to one another in the casing (12) and so as to be directly exposed to the air passing through the casing, each heating module (20) comprising a pleated or corrugated metal strip (22) and an electronic switch controlled by the control circuit (30) intended to selectively inhibit the electrical supply of the metal strip (22).

Abstract: Two stop valves, associated with bypass ducts containing energy absorbing devices, enable an adjustable fraction of the hot fluid to be diverted past left and right hand heating radiators, so that any change in the adjustment of the fluid flow in either of the radiators has no effect on the fluid flow in the other radiator.