Abstract: An optical sensor device (1) for a fluid substance (LS) comprises a device body (2) having a detection portion (14), associated to which is a sensitive optical part that comprises at least one of an emitter (20) and a receiver (21) of an optical radiation (Re, Rr). The detection portion (14) is made of a material transparent to the optical radiation (Re, Rr) and has an inner surface (23a, 23b) and an outer surface (15), the outer surface (15) being designed to be in contact with the fluid substance (LS) and the inner surface (23a, 23b) being designed to be isolated from the fluid substance. The at least one of the emitter (20) and the receiver (21) of the sensitive optical part is optically coupled to the inner surface (23a, 23b) of the detection portion (14), in such a way that the optical radiation (Re, Rr) is at least in part propagated through the detection portion (14), in particular with an angle and/or an intensity that is variable as a function of a characteristic of the fluid substance.

Abstract: A capacitive level sensor comprises a control circuit, a supporting structure and a detection structure on the supporting structure. The detection structure comprises a plurality of electrodes, each including a connection part and a plurality of detection parts which extend in a transverse direction relative to a length direction of the sensor, the detection parts of a first electrode being interdigitated with respect to the detection parts of a second electrode. The detection structure includes a plurality of detection sections, which extend in succession in the length direction and include an upper section and one or more underlying lower sections. Each detection section includes respective first and second electrodes, which are electrically insulated from one another and with respect to the first and second electrodes of the other detection sections.

Abstract: A pressure-sensor assembly (1) for detecting the pressure of a fluid comprises:—- a pressure- sensitive component (2), having a generally cup-shaped sensor body (5), which includes a bottom portion (5a) and a peripheral portion (5b) that define an axial cavity (C1, C2), the bottom portion (5a) including an elastically deformable membrane part, which closes the axial cavity (C1, C2) at one end of the sensor body (5), and the peripheral portion (5b) having a distal edge opposite to the bottom portion (5a), which delimits an inlet of the axial cavity (C1, C2), the bottom portion (5a) having associated thereto at least one element for detecting deformation of the membrane part; and - a compensation element (3), configured for compensating possible variations of volume of the fluid, comprising at least one compensation body (8), made of a first elastically deformable or compressible material, and a core (9) fixed on which is the at least one compensation body (8), the core (9) being made of a second material stiff

Abstract: An electrical heating device comprises: a first electrode layer (13), made of electrically conductive material; a second electrode layer (14), made of electrically conductive material; and a heating layer, made of a material having a PTC effect, wherein the first electrode layer (13) and the second electrode layer (14) face one another, with at least one part of the heating layer that is set between the first electrode layer (13) and the second electrode layer (14), in contact with them.

Abstract: A capacitive level-sensor device, for detecting the level of a medium contained in a container, is configured for being installed on the outside of the container, in a position substantially resting against a wall of the container that is made at least in part of an electrically insulating material. The circuit support has, in a sensing region thereof, at least one first plurality of first capacitive elements, which comprise at least one first array of first electrodes, preferably set at a distance apart from one another along a level-detection axis, the first electrodes being made of an electrically conductive material and being arranged at least in part in a position corresponding to at least one first side of a supporting structure of the circuit support.

Abstract: A semi-finished product of an electric heater device has a casing body (2) defining a housing for at least one electric heater. The casing body (2) has a first or predefined configuration, in particular a substantially planar, or plate-like, or two-dimensional configuration, and is prearranged for being folded in substantially predetermined areas (1a), which define in the casing body (2) a plurality of regions (4, 5, 6) that are at least in part relatively stiff and are suitable to be folded with respect to one another in one said folding area (1a). In this way, a second or different configuration, in particular a substantially three-dimensional configuration, can be bestowed upon the casing body (2).

Abstract: A capacitive level sensor device, for detecting the level of a medium contained in a container, comprises a circuit support, which extends longitudinally substantially according to level-detection axis. The circuit support has, in a detection region thereof, at least one first plurality of first capacitive elements, which comprise at least one first array of first electrodes, preferably spaced from one another along the level-detection axis, which are arranged in a position corresponding to at least one first side of a supporting structure of the circuit support. The sensor device has a casing body which comprises an electrically insulating and fluid-tight detection portion, which covers the detection region of the circuit support. The detection portion of the casing body comprises an overmoulded outer coating, made of a first electrically insulating polymeric material, which defines an outer surface of the casing body designed to be in contact with the medium the level of which has to be detected.

Abstract: A capacitive level sensor comprises a control circuit, a supporting structure and a detection structure on the supporting structure. The detection structure comprises a plurality of electrodes, each including a connection part and a plurality of detection parts which extend in a transverse direction relative to a length direction of the sensor, the detection parts of a first electrode being interdigitated with respect to the detection parts of a second electrode. The detection structure includes a plurality of detection sections, which extend in succession in the length direction and include an upper section and one or more underlying lower sections. Each detection section includes respective first and second electrodes, which are electrically insulated from one another and with respect to the first and second electrodes of the other detection sections.

Abstract: A semifinished product of an electric heater device (1) has a structure that extends in a length direction (L) and that comprises: —two connection bodies (2), which substantially extend alongside one another or parallel to one another in the length direction (L) and are at least in part flexible or deformable in the length direction (L); and —a plurality of heating bodies (3), each heating body (3) including a material having a PTC effect. The heating bodies (3) are set at a distance from one another in the length direction (L) and generally extend in a direction transverse to the length direction (L). The material having a PTC effect is a polymer-based material that is in electrical contact with the at least two connection bodies (2). Each of the at least two connection bodies (2) comprises electrical- and mechanical-connection parts (2a), which have a mesh structure that is at least partially embedded or englobed in the polymer-based material.

Abstract: A capacitive level sensor device, for detecting the level of a medium contained in a container, comprises a circuit support, which extends longitudinally substantially according to level-detection axis. The circuit support has, in a detection region thereof, at least one first plurality of first capacitive elements, which comprise at least one first array of first electrodes (J), preferably spaced from one another along the level-detection axis, which are arranged in a position corresponding to at least one first side of the circuit support. The sensor device has a casing body which comprises an electrically insulating and fluid-tight detection portion, which covers the detection region of the circuit support. The detection portion of the casing body comprises an overmoulded outer coating, made of a first electrically insulating polymeric material, which defines an outer surface of the casing body designed to be in contact with the medium the level of which has to be detected.

Abstract: A level sensor comprises an electrical-connection structure and a level-detection structure. The level-detection structure comprises a plurality of elongated electrodes, which include at least three measuring electrodes. The elongated electrodes extend at least partially in side-by-sidey positions in a length direction of the level-detection structure and each have a proximal end and a distal end relative to the electrical-connection structure. The level-detection structure is divided, in the length direction, into a succession of detection sections, each of which includes two effective portions of two respective measuring electrodes, the two effective portions extending to a prevalent extent substantially parallel and equidistant, at a first predetermined distance from each other, in the length direction.

Abstract: An optical sensor has a body including a transparent interface wall having an outer surface in contact with a liquid, to define therewith a reflection interface. An optical module is coupled at an inner surface of the interface wall, to detect a characteristic of the liquid substance via light reflection. The optical module includes a light emitter and a light receiver facing respective inclined surfaces of the interface wall. The optical module also includes a supporting structure which is elastically flexible, to enable the light emitter and the light receiver of the optical module to vary a relative position thereof and with respect to the inclined surfaces of the interface wall, when the supporting structure is secured to the inner surface of the interface wall.

Abstract: An optical sensor device (1) for a fluid substance (LS) comprises a device body (2) having a detection portion (14), associated to which is a sensitive optical part that comprises at least one of an emitter (20) and a receiver (21) of an optical radiation (Re, Rr). The detection portion (14) is made of a material transparent to the optical radiation (Re, Rr) and has an inner surface (23a, 23b) and an outer surface (15), the outer surface (15) being designed to be in contact with the fluid substance (LS) and the inner surface (23a, 23b) being designed to be isolated from the fluid substance. The at least one of the emitter (20) and the receiver (21) of the sensitive optical part is optically coupled to the inner surface (23a, 23b) of the detection portion (14), in such a way that the optical radiation (Re, Rr) is at least in part propagated through the detection portion (14), in particular with an angle and/or an intensity that is variable as a function of a characteristic of the fluid substance.

Abstract: A capacitive level-sensor device, for detecting the level of at least one medium contained in a container comprises: a detection part that includes an array of capacitive elements, the array of capacitive elements comprising at least one set of electrodes on a substrate, the electrodes being set at a distance from one another according to a level-detection axis, the detection part including at least one insulating layer for electrically insulating the electrodes with respect to the medium; and a control circuit having a plurality of first inputs, electrically connected to which are the electrodes. The control circuit is prearranged for carrying out a sequential sampling of the inputs of the plurality of first inputs and for comparing a value representing the capacitance associated to each electrode with at least one corresponding reference threshold. The detection part further comprises at least one temperature sensor, connected to at least one respective second input of the control circuit.

Abstract: A capacitive level-sensor device comprises: —a circuit substrate made of electrically insulating material (20) that extends longitudinally according to a level-sensing axis; —a first array of electrodes or capacitive elements on a sensing region (23) of the circuit substrate (20), which comprises at least one first series of first electrodes (J1-Jn) coplanar to one another at a major face of the circuit substrate (20); —a circuit, which comprises circuit components associated to a second region (24) of the circuit substrate (20); and—a casing body (14-16), which comprises at least: a sensing portion (15), which is electrically insulating and fluid-tight and coats at least the sensing region (23) of the circuit substrate (20); and a mounting portion (14, 16), which coats at least partially the second region (24) of the circuit substrate (20) and is configured for fluid-tight fixing at an opening (6) of a container (1).

Abstract: Component of tank of liquid additive of system for treating exhaust gases of internal combustion engine, has body positioned in fluid-tight way at opening of the tank and incorporates plurality of functional devices for managing liquid additive to be delivered to treatment system. Body of tank component is moulded using plastic material chemically resistant to liquid additive and is provided with at least one passageway for liquid additive. The plurality of functional devices comprises pump and pressure sensor having pressure-sensitive element. Passageway comprises delivery path for the liquid additive, which is defined at least in part in first wall of body of tank component and has inlet end configured for connection to delivery duct of the pump. Defined at outer side of first wall is at least one seat for positioning at least one part of pressure sensor.

Abstract: An optical sensor device for detection of a characteristic of a liquid substance comprises a device body having an inner surface and an outer surface, one portion of the outer surface of the device body being designed to be in contact with the liquid substance, and the inner surface of the device body being designed to be isolated from the liquid substance. Associated to the device body is a detection arrangement, which comprises an emitter and a receiver of a given optical radiation. A first portion of the device body is made of a material designed for propagation of the given optical radiation, the emitter and the receiver being optically coupled to the inner surface of the device body in the first portion.

Abstract: A capacitive level-sensor device, for detecting the level of a medium contained in a container, is configured for being installed on the outside of the container, in a position substantially resting against a wall of the container that is made at least in part of an electrically insulating material. The circuit support has, in a sensing region thereof, at least one first plurality of first capacitive elements, which comprise at least one first array of first electrodes, preferably set at a distance apart from one another along a level-detection axis, the first electrodes being made of an electrically conductive material and being arranged at least in part in a position corresponding to at least one first side of a supporting structure of the circuit support.

Abstract: A capacitive level sensor device, for detecting the level of a medium contained in a container, comprises a circuit support, which extends longitudinally substantially according to level-detection axis. The circuit support has, in a detection region thereof, at least one first plurality of first capacitive elements, which comprise at least one first array of first electrodes (J), preferably spaced from one another along the level-detection axis, which are arranged in a position corresponding to at least one first side of the circuit support. The sensor device has a casing body which comprises an electrically insulating and fluid-tight detection portion, which covers the detection region of the circuit support. The detection portion of the casing body comprises an overmoulded outer coating, made of a first electrically insulating polymeric material, which defines an outer surface of the casing body designed to be in contact with the medium the level of which has to be detected.

Abstract: An electrical heating device comprises: a first electrode layer (13), made of electrically conductive material; a second electrode layer (14), made of electrically conductive material; and a heating layer, made of a material having a PTC effect, wherein the first electrode layer (13) and the second electrode layer (14) face one another, with at least one part of the heating layer that is set between the first electrode layer (13) and the second electrode layer (14), in contact with them.