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 proposes a device for attaching an actuator (2) to a housing (4), in particular for an automotive vehicle, the actuator being provided for driving a movable equipment (41) disposed within the housing. The device comprises attaching means for attaching the actuator on the housing. The mounting means comprise two conjugated connection flanges (20, 40), respectively mounted on a connexion face (28) of the actuator (28) and on a connection face (48) of the housing. The connexion flanges are adapted to be assembled according to a male/female type connection at the outside of the housing.

Abstract: The invention proposes a pressure-reducing module for an air conditioning circuit (10) through which a supercritical refrigerant flows. The module is connected to the circuit via one inlet and two outlets. The module comprises a pressure-reducing device (120), and a distribution valve (16) connected to the pressure-reducing device and to the two outlets. A dual evaporator circuit using such a pressure-reducing module is also proposed. The two evaporators (131, 132) are mounted in parallel. The module receives the fluid coming from a gas cooler via its inlet and delivers the fluid to at least one of the two evaporators (131, 132) via its outlets.

Abstract: The invention relates to an assembly device between two panels (4,5) consisting of an internal layer (1) of resin inserted between two external metal sheets (2,3). At least one of the panels (4,5) comprises a cut section (6) to insert attachment means jointly in contact on a sheet (2,3) of one of the panels (4,5) and on a sheet (2,3) of the other panel (4,5).

Abstract: The present invention relates to a heating, ventilation and/or air conditioning unit, particularly for a motor vehicle interior, comprising a box (1) comprising at least one canal (10, 28, 96) having at least one wall (50, 64, 90) channelling an air flow in the box (1). The wall (50, 64, 90) comprises openings (52, 66, 92), and at least one sound absorption part (54, 60, 70, 72, 74) is arranged outside the canal (10, 28, 96) in contact with the openings (52, 66, 92).

Abstract: This invention relates to an air treatment device using a volatile treating agent contained inside of a permeable container (1) and a cap (4) closing the container (1). The cap (4) comprises a reservoir (12) containing the active agent.

Abstract: Onboard control system (1), particularly for motor vehicles, comprising a control device (9), buttons (13, 15), and a computer (5) capable of responding to the actuation of the buttons (13, 15) by executing the onboard device (3) control functions selectively, characterised in that the computer (5) is capable of controlling a display device (11) with a view to displaying the buttons (13, 15) and responding to the actuation of at least a first button (13) by reassigning onboard device (3) control functions to second buttons (15) while refreshing the display of the second buttons (15) to indicate the function associated therewith.

Abstract: Control knob comprising a mobile part (3) capable of being actuated manually and linked with an electromechanical transducer (7). The knob also comprises a metal surface (15) arranged in the vicinity of the mobile part and means to measure the capacitance of the metal surface so that the presence of a finger in the vicinity of the mobile part can be detected.

Abstract: The object of the invention is a device for ionizing (2) particles carried in an airflow (4) circulating inside a system, this device (2) including at least two electrodes (8, 9) held by a chassis (13) and connected, respectively, to the corresponding terminals (10, 11) of a polarized electrical power supply. Two adjacent first electrodes (8) are arranged on either side of a second electrode (9), which is formed from at least one conductor cable (14). The latter (14) is hooked onto fingers (15) that are designed as an elastic part for tensioning the conductor cable (14) and that are held by the chassis (13).

Abstract: The invention relates to an antimicrobial purification device, which diffuses a volatile purification agent, for ventilation, heating and/or air conditioning systems, in particular in vehicles, comprising an air filter (1) consisting of a frame (2) holding a filtering agent (3). The filter (1) comprises at least one means for integrating substrate (5) holding the purification agent, consisting of a housing (4) holding the substrate (5) positioned in the frame (2) of the filter (1) or in a container mounted on this frame (2). A cap (6) sealing the housing (4) is fitted with a pin (18) to pierce a protective cover (19) in order to diffuse the purification agent as required.

Abstract: The subject of the invention is a module for ventilating, heating and/or air-conditioning an area (5) of a vehicle cabin (1) that is to be thermally treated. This module (2) comprises a thermal treatment device (7) which includes an enclosure (38) and an impeller (12) and is designed to extract air from the cabin (1), circulate this air inside the enclosure (38) and expel the air toward the area (5) to be treated. A Peltier-type cell (18) is housed inside the enclosure (38), the latter comprising a first duct (16) for circulating the admitted air along the first face (21) of the Peltier cell (18), prior to its being expelled toward the area (5) to be treated, and a second duct (17) for circulating the admitted air along the second face (22) of the Peltier cell (18), prior to its being expelled from the area (5) to be treated.

Abstract: The invention relates to an air treatment device 1 using a volatile agent contained inside a casing 2 that is at least partially permeable, characterized in that it includes means 4 for activating the emission of the volatile agent. These means are advantageously constituted by a film, a strip, a cord or a percussor. Application in motor vehicles.

Abstract: This invention relates to a light guide (1) for a control knob, particularly an instrument panel of a vehicle. The knob is fitted with an index (3) free to move in rotation about an axis (A). The light guide (1) will be inserted between a light source (2) and the index (3) and comprises at least one entry surface (4) for light rays emitted by the light source (2), a first exit surface (6) of light rays towards the index (3) and side faces (5) inserted between the entry surface (4) and the first exit surface (6). The light guide comprises first optical means (4, 8, 15, 16) to orient received light rays approximately parallel to the rotation axis (A) of the index (3), and second optical means (5, 22, 14, 17, 18, 19, 20) to focus the previously reoriented light rays towards at least the first exit surface (6).

Abstract: This invention relates to rotary knob 1, in particular for a control panel for a ventilation, heating and/or air conditioning installation, comprising a gripping area 2, and an activation area 9, characterized in that it has at least two shoulders 5, 6, each shoulder comprising at least one indexing means 7 for blocking the said knob in rotation, the shoulders 5, 6 supporting a different number of indexing means 7. It is applicable to ventilation, heating and/or air conditioning installations inside a motor vehicle.

Abstract: Method for transmitting data from a plurality of slave terminals (TE1, TE2, TE3, TE4) to a master terminal (TM) via a communication bus (10). According to the invention, said method includes the following steps: (a) the master terminal (TM) transmits a check sequence (SCi) including a response sequence (SRi), intended to receive, from the slave terminals (TE1, TE2, TE3, TE4), an indicator of the presence of data to be transmitted, (b) the slave terminals provide said presence indicator in said response sequence (SRi), (c) the master terminal (TM) provides a data transmission authorization (SA) to a slave terminal of which the indicator of the presence of data to be transmitted is positive, (d) said slave terminal transmits said data after receiving the authorization from the master terminal, (e) steps (c) and (d) are repeated for any slave terminal of which the indicator of the presence of data to be transmitted is positive. Application to motor vehicle air conditioning systems.

Abstract: The subject of the invention is a rotary control knob (2) of a control panel in particular for a ventilation, heating and/or air-conditioning installation of a vehicle cabin. This control knob (2) consists of a cylinder (3) provided at one of its ends with a gripping member (6) intended for the user, and equipped with at least one boss (15) for limiting its rotational travel between its end positions. Said boss (15) is formed at the base of the gripping member (6) and is covered at least partially by a flexible mass (19) emanating from a flexible covering (18) of the gripping member (6).

Abstract: The invention relates to an air treatment device using a volatile treating agent contained inside a permeable container (1), particularly applicable to a ventilating, heating and/or air conditioning installation. The treating agent is a liquid packaged inside a cohesive spongy body (2) occupying the available volume of a chamber (3) formed by an internal hollow of the container (1).

Abstract: The subject of the invention is a device for cooling batteries, particularly of an electric and/or hybrid vehicle. This device comprises a pair of compartments (1, 12) in communication with one another, including a first compartment (1) housing the batteries distributed among adjacent columns and a second compartment (12) housing at least a blower (14). One of these compartments (1, 12) has an air intake aperture (5) while the other compartment (1, 2) has a discharge aperture (5) for discharging the admitted air to the outside. The first compartment (1) is equipped with means for modifying the dynamics of the air passing through it, starting from an axial circulation of air along the columns of batteries.