Patents Assigned to Eltek S.p.A.
  • Patent number: 11982584
    Abstract: A bearing detection device comprises a housing body, to be fixed to a stationary ring of a bearing, and a detection arrangement on the housing body, comprising a piezoelectric transducer. The detection arrangement also comprises: a floating body, mounted on the housing body and suitable for mechanically transmitting vibrations of the bearing, and a sensor unit, which is mounted in a stationary position on the housing body and has a detection surface configured for receiving thereon a corresponding surface of the floating body. The piezoelectric transducer defines at least part of the detection surface and is configured for generating an electrical potential difference that is substantially proportional to the magnitude of a stress exerted by the floating body on the piezoelectric transducer.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 14, 2024
    Assignee: ELTEK S.p.A.
    Inventors: Costanzo Gadini, Marco Pizzi, Massimo Zanin, Stefano Allera
  • Patent number: 11982561
    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.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 14, 2024
    Assignee: ELTEK S.p.A
    Inventors: Fulvio Cerutti, Stefano Allera, Massimo Zanin, Matteo Rondano, Giorgio Fagnola, Mauro Zorzetto, Marco Pizzi
  • Patent number: 11959663
    Abstract: An electrical heater device comprises an heating element, which includes two electrodes and a heating body made of a polymer-based material having a PTC effect, in contact with the electrodes. Each electrode comprises a meshed structure, which extends in a length direction and in a width direction, and is embedded at least partially in the heating body. Each electrode further comprises an electrical-distribution element which is fixed to the meshed structure and includes a distribution portion that extends in the length direction, or in the width direction, or in both the length and width directions of the meshed structure.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: April 16, 2024
    Assignee: ELTEK S.p.A.
    Inventors: Alberto Barbano, Marco Bizzarro, Luca Costa, Luca Vercellotti
  • Patent number: 11835376
    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.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: December 5, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Mauro Zorzetto, Marco Pizzi, Matteo Rondano, Giorgio Fagnola
  • Patent number: 11835453
    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.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 5, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Fabio Cavalli, Mauro Zorzetto, Costanzo Gadini
  • Patent number: 11773528
    Abstract: A safety device against leaks of liquid for a liquid-conducting household appliance comprises a valve arrangement that can be electrically switched between a closing position and an opening position, to prevent or enable, respectively, a flow of liquid from a liquid-supply source to the household appliance. The device further comprises:—a first pipe (13) impermeable to liquid, for the flow of liquid,—at least one hydraulic unit (12), having a duct for the liquid (30),—a flow sensor in the at least one hydraulic unit (12). The first pipe (13) is connected in fluid communication with the duct (30) and extends longitudinally at least in part within a second pipe (14) that is impermeable to liquid, in such a way that defined between at least part of the first pipe (13) and of the second pipe (14) is a gap (G) having a proximal end and a distal end. The at least one hydraulic unit (12) has a respective hydraulic body (16) that defines the duct (30).
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 3, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Paolo Savini, Daniele Cerruti
  • Patent number: 11761483
    Abstract: 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.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 19, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Marco Pizzi, Massimo Zanin, Stefano Allera
  • Patent number: 11732228
    Abstract: A device (20) for creating cell-exclusion zones comprises a baseplate (21) having a first major face from which a plurality of exclusion reliefs (22) project, each exclusion relief (22) having at least one distal end (23) configured for contact with a bottom (11b) of a respective well (11) of a multi-well cell-culture plate (10). The baseplate (21) and the plurality of exclusion reliefs (22) are defined at least in part by an elastic or flexible material in such a way that at least the baseplate (21) is elastically deformable at least during removal thereof from a multi-well cell-culture plate (10), the elastic or flexible material preferably being an elastomer.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: August 22, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Marco Pizzi, Ilze Aulika
  • Patent number: 11680834
    Abstract: A detection device for a liquid-conducting appliance includes a hydraulic body (2) defining a duct (3) for a flow of a liquid, and a flow sensor on the hydraulic body (2), which includes an electromagnetic arrangement and a detection arrangement. The detection arrangement includes two electrode units (20) for detecting a potential difference induced by the flow of the liquid through an electromagnetic field generated by the electromagnetic arrangement. The hydraulic body (2) has two through openings on two opposite sides (3a, 3b) of the duct (3), inserted in each of which is a corresponding electrode unit (20), in such a way that the electrode units (20) are opposed to one another and in contact with the liquid. The device (1) includes sealing elements at each through opening, for preventing leakage of the liquid from the duct (3).
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: June 20, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Paolo Savini, Daniele Cerruti, Roberto Grappiolo, Marco Pizzi
  • Patent number: 11589727
    Abstract: 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.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: February 28, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Marco Bianchi, Marta Armato, Paolo Savini
  • Patent number: 11549210
    Abstract: A hydraulic control device for liquid-conducting appliances and systems is designed for connection between a source of liquid and an appliance or system using the liquid. The hydraulic control device (1) comprises: —a device body (2?, 3?) having a duct for the liquid (30a, 30b) that extends between an inlet connector (2a) and an outlet connector (3 a); —a flow meter (40, 50) associated to the device body (2\ 3?); and—a valve arrangement (31, 33-37) associated to the device body (2?, 3?), including a valve member (31), which is displaceable between an opening position and a closing position of the duct for the liquid (30a, 30b), and a control mechanism (33-37) for controlling the valve member (31). The control mechanism (33-37) is switchable on the basis of a detection made by the flow meter (40, 50) in order to displace the valve member (31) from the opening position to the closing position of the duct for the liquid (30a, 30b).
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: January 10, 2023
    Assignee: ELTEK S.p.A.
    Inventors: Paolo Savini, Daniele Cerruti
  • Patent number: 11533785
    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.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 20, 2022
    Assignee: ELTEK S.p.A.
    Inventors: Marco Pizzi, Alberto Barbano, Luca Vercellotti, Mauro Zorzetto, Costanzo Gadini, Luca Costa
  • Patent number: 11503978
    Abstract: A washing-agent dispenser for machines for washing, in particular dishwashers, comprises: a dispenser body (11) with at least one receptacle FIG. 14 (12, 12a) for containing a washing agent; at least one hatch (20) having a hatch body (21) mounted in a guided way relative to the dispenser body (11) for being slidable between a position of closing and a position of opening of the at least one receptacle (12, 12a), the hatch body (21) having two longitudinal sides (21b, 21c) generally parallel to one another and with respect to a direction of displacement of the hatch body (21) between the position of opening and the position of closing; and a guide arrangement (25-27, 30a-30b, 31a-31b) between the dispenser body (11) and the hatch body (21), for guiding displacement of the hatch body (21) between the position of opening and the position of closing.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: November 22, 2022
    Assignee: ELTEK S.p.A.
    Inventor: Daniele Cerruti
  • Patent number: 11497379
    Abstract: A dishwasher washing agent dispenser includes (a) a dispenser body, configured to be set partially into an opening of an inner side of a dishwasher door and the dispenser body has a receptacle for containing a washing agent, (b) a dispenser door mounted in a guided way with respect to the dispenser body, for being slidable between positions of closing and opening of the receptacle, the open position allowing dispensing of the washing agent from the receptacle, (c) guides between the dispenser body and the dispenser door, for guiding displacement of the dispenser door between the positions of closing and opening in such a way that, when the dispenser door is open, a portion of the dispenser door projects from the dispenser body, in a substantially cantilever fashion, and (d) a supporting element extending in length downwards from the dispenser door and configured to counter bending of the portion of the dispenser door that projects from the dispenser body when the dispenser door is in the open position.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: November 15, 2022
    Assignee: ELTEK S.p.A.
    Inventor: Daniele Cerruti
  • Patent number: 11499859
    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.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: November 15, 2022
    Assignee: ELTEK S.p.A.
    Inventors: Mauro Zorzetto, Giorgio Martinengo
  • Patent number: 11495375
    Abstract: A co-continuous mouldable polymeric composite with PTC effect has a matrix that comprises at least two immiscible polymers (HDPE, POM), and an electrically conductive filler (CB) in the matrix. At least one of said immiscible polymers is high-density polyethylene (HDPE), and at least one other of said immiscible polymers is polyoxymethylene (POM).
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 8, 2022
    Assignee: ELTEK S.P.A.
    Inventor: Marco Pizzi
  • Patent number: 11493372
    Abstract: An electromagnetic measuring device includes a hydraulic body defining a duct for a flow of a liquid, and a flow sensor on the hydraulic body that includes an electromagnetic arrangement for generating an electromagnetic field through the duct in a direction transverse to the flow of the liquid, and detection arrangement including two electrical detection elements for detecting a potential difference induced by the flow of the liquid through the electromagnetic field. The detection elements are associated to one and the same face of a substrate, which extends on the outside of the duct in a position corresponding to a first side of the duct. The first side of the duct has two through openings, each of which is in a position corresponding to a respective electrical detection element.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: November 8, 2022
    Assignee: ELTEK S.P.A.
    Inventors: Paolo Savini, Daniele Cerruti, Roberto Grappiolo
  • Patent number: 11446421
    Abstract: A medical device for separating a fluid, in particular for separating platelet-rich plasma from whole blood, includes three containers and at least one corresponding connection line having an intermediate bifurcation. Provided on the connection line are valve means for enabling or preventing a flow of fluid. At least one container includes a hollow container body and a plunger associated in a movable way to the container body. The device also includes a filtering member on the connection line.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: September 20, 2022
    Assignee: ELTEK S.p.A.
    Inventors: Massimo Zanin, Marco Pizzi, Laura Mazzucco, Marco Bertoni
  • Patent number: 11300468
    Abstract: 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 structure (2, 3) for supporting the pressure-sensitive component (5, 5a, 6), having at least one passageway (15) for a fluid of which a pressure is to be measured, the supporting structure (2, 3) comprising: —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 at least one passageway (15), the supporting body (2) having at least one through cavity (14), —at least one compressible element (20, 21), which is configured for compensating possible variations of volume of the fluid and which delimits at least in part at least one respective duct for the fluid (20a, 21a) having an inlet end and an outlet end.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: April 12, 2022
    Assignee: ELTEK S.p.A.
    Inventor: Giorgio Martinengo
  • Patent number: 11231308
    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.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: January 25, 2022
    Assignee: ELTEK S.p.A.
    Inventors: Mauro Zorzetto, Giorgio Martinengo