ELECTRIC HEATER DEVICE SEMI-FINISHED PRODUCT, ELECTRIC HEATER DEVICE AND MANUFACTURING PROCESSES

    公开(公告)号:US20220132629A1

    公开(公告)日:2022-04-28

    申请号:US17428516

    申请日:2020-02-05

    申请人: ELTEK S.p.A.

    IPC分类号: H05B3/26

    摘要: 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).

    SENSORIZED SUPPORTING DEVICE FOR BEARINGS

    公开(公告)号:US20220003268A1

    公开(公告)日:2022-01-06

    申请号:US17296132

    申请日:2019-11-22

    申请人: ELTEK S.P.A.

    IPC分类号: F16C19/52 F16C35/04

    摘要: A sensorized supporting device for bearings (1) comprises: •a bearing housing (2), configured for being secured to a mounting structure and defining at least one seat (2c) for a bearing (3); and •a sensorized supporting base (4), having a supporting body (4′) prearranged for being at least partially positioned between the mounting structure (S) and the bearing housing (2). The supporting body (4′) has a detection surface (4c) which extends in a longitudinal direction (L) and a transverse direction (W) and is configured for resting, directly or via interposition of at least one further element, on a corresponding surface of one of the bearing housing (2) and the mounting structure, the supporting base (4) being provided with a mechanical-stress sensor. The mechanical-stress sensor comprises at least one piezoelectric transducer (101, 102, 20) defining at least part of the detection surface (4c), the at least one piezoelectric transducer (10; 20; 101, 102) being configured for generating an electrical potential difference that is substantially proportional to the magnitude of a mechanical stress (SS) applied to the bearing housing (2).

    SEMIFINISHED PRODUCT OF AN ELECTRIC HEATER DEVICE, AND ELECTRIC HEATER DEVICE COMPRISING SUCH A SEMIFINISHED PRODUCT

    公开(公告)号:US20210385911A1

    公开(公告)日:2021-12-09

    申请号:US17277096

    申请日:2019-09-06

    申请人: ELTEK S.p.A.

    IPC分类号: H05B3/34

    摘要: 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.

    WASHING AGENT DISPENSER AND MOUNTING METHOD

    公开(公告)号:US20210361141A1

    公开(公告)日:2021-11-25

    申请号:US17254034

    申请日:2019-06-17

    申请人: ELTEK S.p.A.

    IPC分类号: A47L15/44 A47L15/42

    摘要: A washing-agent dispenser designed for being mounted at a through opening (A) of a tub wall (5) of a dishwasher comprises: —a dispenser body (11), having a rear part (11′) and a front part (11″); —a perimetral gasket (30) mounted in a corresponding seat (S) of the dispenser body (11) and prearranged for exerting a sealing action with respect to a mounting side (5a) of the tub wall (5); —a frame (40) having a substantially annular shape, defining a central passage (B) through which the rear part (11′) of the dispenser body (11) is insertable. The frame (40) has at least one of the following: —first coupling means (41), which can be coupled to corresponding second coupling means (16) provided in the dispenser body (11), the first coupling means (41) and the second coupling means (16) being configured for fixing of the dispenser body (11) at the through opening (A) of the tub wall (5), in a condition of at least partial compression of the perimetral gasket (30) for exerting thereby a sealing action between the dispenser body (11) and the mounting side (5a) of the tub wall (5); and—reinforcement means (42, 43), prearranged for countering possible deformation or yielding of the tub wall (5) at least in an area thereof that circumscribes the corresponding through opening (A).

    DETECTION AND/OR CONTROL DEVICE FOR LIQUID-CONDUCTING APPLIANCES OR SYSTEMS

    公开(公告)号:US20210140805A1

    公开(公告)日:2021-05-13

    申请号:US16970268

    申请日:2019-02-15

    申请人: ELTEK S.p.A.

    IPC分类号: G01F1/58

    摘要: A hydraulic detection and/or control device comprises: a hydraulic body (2) defining a duct (3) for a flow of a liquid, the duct (3) having an inlet and an outlet, and being defined at least in part of an electrically insulating material; a flow sensor on the hydraulic body (2), which comprises: an electromagnetic arrangement (11a, 11b), configured for generating an electromagnetic field through the duct (3) in a direction transverse to the flow of the liquid, a detection arrangement (21, 22), which comprises at least two electrical detection elements (22) for detecting a potential difference induced by the flow of the liquid through the electromagnetic field, the at least two electrical detection elements (22) being arranged to be in contact with the liquid. The at least two electrical detection elements (22) are associated to one and the same face of a substrate (21), which extends substantially on the outside of the duct (3), in a position corresponding to a first side of the duct (3a) defined by the hydraulic body (2). The hydraulic body (2) has at least two through openings (31) on the first side of the duct (3a), each of which is in a position corresponding to a respective electrical detection element (22), in such a way that each electrical detection element (22) faces at least in part the inside of the duct (3) through the corresponding through opening (31). Preferably associated to each through opening (31) are sealing means (32), operatively set between the substrate (21), or a corresponding electrical detection element (22), and an outer surface of the first side of the duct (3a).

    DETECTION AND/OR CONTROL DEVICE FOR LIQUID-CONDUCTING APPLIANCES OR SYSTEMS

    公开(公告)号:US20210116273A1

    公开(公告)日:2021-04-22

    申请号:US16970245

    申请日:2019-02-15

    申请人: ELTEK S.p.A.

    IPC分类号: G01F1/58 G01F1/60

    摘要: A detection and/or control device for a liquid-conducting appliance or system comprises:—a hydraulic body (2) defining a duct (3) for a flow of a liquid, the duct (3) having an inlet (4) and an outlet (5), and being made at least in part of an electrically insulating material;—a flow sensor located at least in part on the hydraulic body (2), which comprises:—an electromagnetic arrangement, configured for generating an electromagnetic field through said part of the duct (3), in a direction transverse to the flow of the liquid, —a detection arrangement, which comprises at least two electrode units (20) for detecting a potential difference induced by the flow of the liquid through the electromagnetic field, the at least two electrode units (20) being arranged for being in contact with the liquid in a respective working position. The hydraulic body (2) has at least two through openings on two opposite sides (3a, 3b) of the duct (3), at least partially inserted in each of which is a corresponding electrode unit (20), in such a way that, in the respective working positions, the electrode units (20) are substantially aligned or opposed to one another. The device (1) moreover comprises sealing means at each through opening, which are configured for preventing leakage of the liquid from the duct (3) through the corresponding through opening. The sealing means (22) are associated to, or integrated in, a respective electrode unit (20), in such a way that said sealing means (22) of an electrode unit (20) can be positioned relative to one said through opening by means of one and the same movement of insertion of the respective electrode unit (20) into the corresponding through opening.

    Sensor device, in particular a pressure sensor

    公开(公告)号:US10928262B2

    公开(公告)日:2021-02-23

    申请号:US16094212

    申请日:2017-04-19

    申请人: ELTEK S.p.A.

    IPC分类号: G01L19/06 G01L19/14 G01L9/00

    摘要: A pressure-sensor device (1) comprises: a pressure-sensitive component (5, 5a, 6), having a sensor body (5) that includes an elastically deformable membrane part (5a) and at least one detection element (6) suitable for detecting a deformation of the membrane part (5a); a supporting structure (2, 3) for supporting the pressure-sensitive component (5, 5a, 6), having a passageway (15) for a fluid of which a pressure is to be measured. The supporting structure (2, 3) comprises: a supporting body (2) with respect to which the sensor body (5) is positioned in such a way that its membrane part (5a) is exposed to the fluid exiting the passageway (15), the supporting body (2) having at least one through cavity (14), a compressible body (16), which is configured for compensating possible variations of volume of the fluid. The supporting body (2) has a first body portion (2c) comprising a transverse wall (22) of the through cavity (14), defined in which is at least one first passage (23a-23b) and at least one second passage (24), the at least one first passage (23a-23b) belonging to the passageway (15) for the fluid. The compressible body (16) is an element over-moulded with respect to the supporting body (2), that has respective opposite portions (20, 21) which extend in positions corresponding to opposite sides of the transverse wall (22), and which are connected to one another via at least one intermediate portion (16a) of the compressible body (16) that that extends through the at least one second passage (24). The first body portion (2c) is shaped to define at least one step or one projection or one relief (25; 28) which determines at least one of: a cross-sectional narrowing of the at least one second passage (24), configured to define a corresponding cross-sectional reduction of the at least one intermediate portion (16a) of the compressible body (16), and a development of the at least one intermediate portion (16a) of the compressible body (16) which is generally tortuous or comprises a number of stretches substantially angled to each other.

    Tank component, in particular for exhaust-gas treatment system of internal-combustion engines

    公开(公告)号:US10906390B2

    公开(公告)日:2021-02-02

    申请号:US15773384

    申请日:2016-10-31

    申请人: ELTEK S.p.A.

    IPC分类号: B60K15/03 F01N3/20 F01N3/24

    摘要: 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. Moreover defined in the first wall is at least one passage for setting delivery path for liquid additive in fluid communication with sensitive element of pressure sensor.