Patents by Inventor Umberto Vignolo

Umberto Vignolo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240151287
    Abstract: A method of estimating wear of a vehicle brake element including at least a braking disk (10), a wearable block of friction material (20) and a support back plate (40) of the block of friction material (20), comprising at least: —providing a temperature sensor (100) configured and placed to sense the temperature of the support back plate (40) —providing an Electronic Processing Unit (200) connected to the temperature sensor (100); —providing an acquisition of the sensed temperature of the support back plate (40), a generation of a temperature signal of the sensed temperature and a transmission of the temperature signals to the Electronic Processing Unit (200); —and the Electronic Processing Unit (200) providing an estimation (500) of the thickness of the wearable block of friction material (20) by processing of the temperature signals.
    Type: Application
    Filed: March 9, 2022
    Publication date: May 9, 2024
    Inventors: Pietro Roberto Macchi, Stefano Serra, Marco Terranova, Umberto Vignolo
  • Patent number: 11885386
    Abstract: Various systems, devices, and methods for a vehicle smart brake pad comprising a sensor such as a force sensing device, and a production process thereof. For example, a production process of a vehicle brake pad can include the following steps in time sequence: applying an electrical circuit a support plate; screen printing on the electrical circuit of at least a first electrode; screen printing on the at least first electrode of a sheet of piezoelectric material; screen printing on the sheet of at least a second electrode; applying a friction pad on the support plate; and bulk polarizing the sheet of piezoelectric material by a supply of power to the at least first and second electrodes.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: January 30, 2024
    Assignee: ITT ITALIA S.R.L.
    Inventors: Stefano Serra, Umberto Vignolo, Marco Terranova
  • Publication number: 20240027287
    Abstract: Methods and devices for estimating a residual torque between the braked (e.g., brake disk or drum) and braking elements (e.g., support plate or friction block) of a vehicle based on acquired and reference temperatures, where the reference temperature can be calculated using an N-dimensional calculation model with an N-dimensional vector of input variables, and where said N-dimensional calculation model can be an analytical or experimental characterization of the thermal behavior of the brake.
    Type: Application
    Filed: June 22, 2023
    Publication date: January 25, 2024
    Inventors: Pietro Roberto Macchi, Umberto Vignolo, Marco Terranova, Stefano Serra
  • Publication number: 20230391300
    Abstract: A vehicle electronic system including a parking brake equipment, comprising a brake element (2) including either a brake pad or a brake shoe, said brake element (2) including an electrical circuit equipped with one or more sensors (3, 4, 5) for real-time detection of signals relating to temperatures and/or to normal forces and/or to shear forces and having electrical terminals arranged in a zone for collecting the signals from the brake element, said vehicle electronic parking brake system further comprising an actuator (8) of the brake element (2), a controller (7) delivering a braking force command to the actuator (8), and regulating means (9, 10) driving the controller (7), wherein the regulating means (9, 10) include a closed regulating loop of the braking force including a reference braking force generator (10), said closed regulating loop of the braking force being communicating with said sensors (3, 4, 5) to acquire at least one of temperatures and/or normal forces and/or shear forces measurements.
    Type: Application
    Filed: September 27, 2021
    Publication date: December 7, 2023
    Inventors: Pietro Roberto MACCHI, Stefano SERRA, Marco TERRANOVA, Umberto VIGNOLO
  • Patent number: 11740145
    Abstract: Methods and devices for estimating a residual torque between the braked (e.g., brake disk or drum) and braking elements (e.g., support plate or friction block) of a vehicle based on acquired and reference temperatures, where the reference temperature can be calculated using an N-dimensional calculation model with an N-dimensional vector of input variables, and where said N-dimensional calculation model can be an analytical or experimental characterization of the thermal behavior of the brake.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 29, 2023
    Assignee: ITT Italia S.r.l.
    Inventors: Pietro Roberto Macchi, Umberto Vignolo, Marco Terranova, Stefano Serra
  • Publication number: 20230235801
    Abstract: The force sensing device (1) comprising: a sheet (2) of piezoelectric; at least a first and a second interdigitated electrodes (5, 50) located on a first main face (3) and at least a third and fourth interdigitated electrodes (6, 60) located on a second main face (4) of the sheet (2), the first and third electrodes (5, 6) being aligned to each other along a normal stress direction (N), the second and fourth electrodes (50, 60) being aligned to each other along the normal stress direction (N); the piezoelectric material comprising first portions (100) facing the first and third electrodes (5, 6) interposed with second portions (101) facing the second and fourth electrodes (50, 60), the first portions (100) having bulk electric polarization with vector field (E) mostly oriented in alignment with the normal stress direction (N), the second portions (101) having bulk electric polarization with vector field (E) mostly oriented transversally to the normal stress direction (N).
    Type: Application
    Filed: May 21, 2021
    Publication date: July 27, 2023
    Inventors: Stefano SERRA, Umberto VIGNOLO, Marco TERRANOVA
  • Publication number: 20230228631
    Abstract: A vehicle brake pad (100) comprising: a support plate (21); a friction pad (20); at least a shear force sensing device; and an electrical circuit configured to collect signals from the shear force sensing device (1); wherein the shear force sensing device (1) comprises: a sheet (2) of piezoelectric material having a first and a second main faces (3, 4) parallel to each other identifying a shear stress direction (S); at least a first digitated reading electrode (5) located on the first main face (3); at least a second digitated reading electrode (6) located on the second main face (4), the first and second reading electrodes (5, 6) having digits (5a, 6a) aligned along a reading direction (R) orthogonal to the stress shear direction (S); at least a first digitated polarizing electrode (7) located on the first main face (3) and interdigitated with the first digitated reading electrode (5); and at least a second digitated polarizing electrode (8) located on the second main face (4) and interdigitated with the sec
    Type: Application
    Filed: May 21, 2021
    Publication date: July 20, 2023
    Inventors: Stefano SERRA, Umberto VIGNOLO, Marco TERRANOVA
  • Publication number: 20230175567
    Abstract: Various systems, devices, and methods for a vehicle smart brake pad comprising a sensor such as a force sensing device, and a production process thereof. For example, a production process of a vehicle brake pad can include the following steps in time sequence: applying an electrical circuit a support plate; screen printing on the electrical circuit of at least a first electrode; screen printing on the at least first electrode of a sheet of piezoelectric material; screen printing on the sheet of at least a second electrode; applying a friction pad on the support plate; and bulk polarizing the sheet of piezoelectric material by a supply of power to the at least first and second electrodes.
    Type: Application
    Filed: November 8, 2022
    Publication date: June 8, 2023
    Inventors: Stefano Serra, Umberto Vignolo, Marco Terranova
  • Patent number: 11635115
    Abstract: Various brake pads with thermoelectric energy harvesters are disclosed. In some embodiments, the brake pad comprising a backplate, a pad of friction material, and a TEG module. The backplate can comprise a through-hole in which elements of the TEG module are positioned.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: April 25, 2023
    Assignee: ITT Italia S.R.L.
    Inventors: Stefano Serra, Paolo Truccone, Umberto Vignolo, Ali Asghar Enkeshafi, Lasse Aistrup Rosendahl, Paw Vestergard Mortensen, Agustin Sin Xicola
  • Patent number: 11519475
    Abstract: Various systems, devices, and methods for a vehicle smart brake pad comprising a sensor such as a force sensing device, and a production process thereof. For example, a production process of a vehicle brake pad can include the following steps in time sequence: applying an electrical circuit a support plate; screen printing on the electrical circuit of at least a first electrode; screen printing on the at least first electrode of a sheet of piezoelectric material; screen printing on the sheet of at least a second electrode; applying a friction pad on the support plate; and bulk polarizing the sheet of piezoelectric material by a supply of power to the at least first and second electrodes.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 6, 2022
    Assignee: ITT ITALIA S.R.L.
    Inventors: Stefano Serra, Umberto Vignolo, Marco Terranova
  • Publication number: 20220381631
    Abstract: Methods and devices for estimating a residual torque between the braked (e.g., brake disk or drum) and braking elements (e.g., support plate or friction block) of a vehicle based on acquired and reference temperatures, where the reference temperature can be calculated using an N-dimensional calculation model with an N-dimensional vector of input variables, and where said N-dimensional calculation model can be an analytical or experimental characterization of the thermal behavior of the brake.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 1, 2022
    Inventors: Pietro Roberto MACCHI, Umberto VIGNOLO, Marco TERRANOVA, Stefano SERRA
  • Publication number: 20220003283
    Abstract: Various brake pads with thermoelectric energy harvesters are disclosed. In some embodiments, the brake pad comprising a backplate, a pad of friction material, and a TEG module. The backplate can comprise a through-hole in which elements of the TEG module are positioned.
    Type: Application
    Filed: May 14, 2021
    Publication date: January 6, 2022
    Inventors: Stefano Serra, Paolo Truccone, Umberto Vignolo, Ali Asghar Enkeshafi, Lasse Aistrup Rosendahl, Paw Vestergard Mortensen, Agustin Sin Xicola
  • Patent number: 11035425
    Abstract: Various brake pads with thermoelectric energy harvesters are disclosed. In some embodiments, the brake pad comprising a backplate, a pad of friction material, and a TEG module. The backplate can comprise a through-hole in which elements of the TEG module are positioned.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 15, 2021
    Assignee: ITT Italia S.r.l.
    Inventors: Stefano Serra, Paolo Truccone, Umberto Vignolo, Ali Asghar Enkeshafi, Lasse Aistrup Rosendahl, Paw Vestergard Mortensen, Agustin Sin Xicola
  • Publication number: 20210071728
    Abstract: Various systems, devices, and methods for a vehicle smart brake pad comprising a sensor such as a force sensing device, and a production process thereof. For example, a production process of a vehicle brake pad can include the following steps in time sequence: applying an electrical circuit a support plate; screen printing on the electrical circuit of at least a first electrode; screen printing on the at least first electrode of a sheet of piezoelectric material; screen printing on the sheet of at least a second electrode; applying a friction pad on the support plate; and bulk polarizing the sheet of piezoelectric material by a supply of power to the at least first and second electrodes.
    Type: Application
    Filed: September 4, 2020
    Publication date: March 11, 2021
    Inventors: Stefano Serra, Umberto Vignolo, Marco Terranova
  • Publication number: 20190351889
    Abstract: The braking device comprises a braking pad in turn comprising a support plate, a friction pad, an electrical circuit equipped with sensors for real-time detection of signals relating to temperatures and/or to normal forces and/or to shear forces and having electrical terminals arranged in a zone for collecting the signals from the braking pad, at least an electronic module having active components which require energy in order to function, and a thermal decoupling element physically connecting the electronic module to the braking pad and electrically connecting the electronic module to said electrical terminals, the electronic module comprising an analog conditioning unit for conditioning the signals, an analog/digital conversion unit for converting the signals, a data processing unit for processing data from the digital signals, and a transmission unit for transmitting the data.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 21, 2019
    Inventors: Stefano Serra, Umberto Vignolo, Marco Terranova, Paolo Truccone
  • Publication number: 20190078630
    Abstract: Various brake pads with thermoelectric energy harvesters are disclosed. In some embodiments, the brake pad comprising a backplate, a pad of friction material, and a TEG module. The backplate can comprise a through-hole in which elements of the TEG module are positioned.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 14, 2019
    Inventors: Stefano Serra, Paolo Truccone, Umberto Vignolo, Ali Asghar Enkeshafi, Lasse Aistrup Rosendahl, Paw Vestergard Mortensen, Agusti Sin