Patents by Inventor Joonas PUUKKO

Joonas PUUKKO 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).

  • Patent number: 12198870
    Abstract: A capacitor assembly including at least one capacitor each having a first end and a second end spaced apart in a longitudinal direction, and a first terminal and a second terminal located at the first end of the capacitor, the first end being provided with a first surface, and the second end being provided with a second surface; a heat sink having a first cooling surface; and a connection system connecting the at least one capacitor heat conductively to the heat sink such that the second surface of each of the at least one capacitor is in heat conductive connection with the first cooling surface. The connection system is to in contact with the first surface of each of the at least one capacitor.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: January 14, 2025
    Assignee: ABB Schweiz AG
    Inventors: Toni Nygren, Asko Mielonen, Joonas Puukko
  • Publication number: 20230343715
    Abstract: An electrical contact arrangement electrically contacts at least two power semiconductor devices, and comprises at least two bond wires and at least three electrical contacts, comprising an alternating current contact, a positive direct current contact, and a negative direct current contact. Each electrical contact comprises a ground potential part; contact part; and insulation part on the ground potential part. The contact part is provided on the insulation part. At least two electrical contacts are separated by a gap between the insulation parts and the gap between the contact parts of the separated electrical contacts. A bond wire connects a first power semiconductor device on a contact part of the positive direct current contact with a contact part of the alternating current contact. A bond wire connects a second power semiconductor device on the contact part of the alternating current contact with a contact part of the negative direct current contact.
    Type: Application
    Filed: November 23, 2021
    Publication date: October 26, 2023
    Inventors: Juergen SCHUDERER, Fabian MOHN, Chunlei LIU, Joonas PUUKKO
  • Patent number: 11706879
    Abstract: A subrack including a frame defining a subrack space and adapted to receive a device module to an operative position, the frame comprising four side walls and an end wall. The subrack comprises a coupling system adapted for coupling the subrack to four other subracks in order to form a subrack matrix, the coupling system comprising at least one wall recess on an inner surface of each of the side walls, and at least one primary screw hole in each of the side walls such that the at least one primary screw hole is located in the at least one wall recess.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: July 18, 2023
    Assignee: ABB Schweiz AG
    Inventors: Matti Koskinen, Toni Nygren, Joonas Puukko
  • Publication number: 20230084227
    Abstract: A capacitor assembly including at least one capacitor each having a first end and a second end spaced apart in a longitudinal direction, and a first terminal and a second terminal located at the first end of the capacitor, the first end being provided with a first surface, and the second end being provided with a second surface; a heat sink having a first cooling surface; and a connection system connecting the at least one capacitor heat conductively to the heat sink such that the second surface of each of the at least one capacitor is in heat conductive connection with the first cooling surface. The connection system is to in contact with the first surface of each of the at least one capacitor.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 16, 2023
    Inventors: Toni Nygren, Asko Mielonen, Joonas Puukko
  • Publication number: 20220312600
    Abstract: A subrack including a frame defining a subrack space and adapted to receive a device module to an operative position, the frame comprising four side walls and an end wall. The subrack comprises a coupling system adapted for coupling the subrack to four other subracks in order to form a subrack matrix, the coupling system comprising at least one wall recess on an inner surface of each of the side walls, and at least one primary screw hole in each of the side walls such that the at least one primary screw hole is located in the at least one wall recess.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 29, 2022
    Inventors: Matti Koskinen, Toni Nygren, Joonas Puukko
  • Patent number: 10608508
    Abstract: Unique systems, methods, techniques and apparatuses of an exciterless synchronous machine are disclosed. One exemplary embodiment is a salient pole rotor for an electric machine including one set of pole pairs including a first, second, and third pole pair; a field winding; a set of energy harvest windings, each winding mounted to each of the plurality of pole pairs and structured to receive a harmonic component of AC power from a stator; and a DC power supply structured to receive the harmonic component from the set of energy harvest windings, convert the harmonic component to DC power, and output the DC power to the field winding. The set of energy harvest windings are arranged in a first sequence on the first pole pair, a second sequence on the second pole pair, and a third sequence on the third pole pair, and each sequence is different.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 31, 2020
    Assignee: ABB Schweiz AG
    Inventors: Chenjie Lin, Ghanshyam Shrestha, Jing Xu, Joonas Puukko
  • Patent number: 10393795
    Abstract: Unique systems, methods, techniques and apparatuses of semiconductor failure prognostication. One exemplary embodiment is a power converter comprising a semiconductor switch and a converter control system. The converter control system is configured to turn on the semiconductor switch, measure a first voltage and a current during reverse conduction, estimate junction temperature of the semiconductor device, turn off the semiconductor device, measure a second voltage after turning off the semiconductor device, determine a resistance value using the second voltage measurement, determine an expected resistance value, predict a failure of the semiconductor device using the resistance value and the expected resistance value, and transmit a semiconductor device failure warning.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 27, 2019
    Assignee: ABB Schweiz AG
    Inventors: Eddy Aeloiza, Arun Kadavelugu, Joonas Puukko, Liming Liu, Jukka-Pekka Sjoroos
  • Publication number: 20190097501
    Abstract: Unique systems, methods, techniques and apparatuses of an exciterless synchronous machine are disclosed. One exemplary embodiment is a salient pole rotor for an electric machine comprising one set of pole pairs including a first, second, and third pole pair; a field winding; a set of energy harvest windings, each winding mounted to each of the plurality of pole pairs and structured to receive a harmonic component of AC power from a stator; and a DC power supply structured to receive the harmonic component from the set of energy harvest windings, convert the harmonic component to DC power, and output the DC power to the field winding. The set of energy harvest windings are arranged in a first sequence on the first pole pair, a second sequence on the second pole pair, and a third sequence on the third pole pair, and each sequence is different.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 28, 2019
    Inventors: Chenjie Lin, Ghanshyam Shrestha, Jing Xu, Joonas Puukko
  • Publication number: 20190033362
    Abstract: Unique systems, methods, techniques and apparatuses of semiconductor failure prognostication. One exemplary embodiment is a power converter comprising a semiconductor switch and a converter control system. The converter control system is configured to turn on the semiconductor switch, measure a first voltage and a current during reverse conduction, estimate junction temperature of the semiconductor device, turn off the semiconductor device, measure a second voltage after turning off the semiconductor device, determine a resistance value using the second voltage measurement, determine an expected resistance value, predict a failure of the semiconductor device using the resistance value and the expected resistance value, and transmit a semiconductor device failure warning.
    Type: Application
    Filed: July 25, 2017
    Publication date: January 31, 2019
    Inventors: Eddy Aeloiza, Arun Kadavelugu, Joonas Puukko, Liming Liu, Jukka-Pekka Sjoroos
  • Publication number: 20140252860
    Abstract: Exemplary embodiments are directed to a system, method, apparatus, and arrangement for operating a photovoltaic system. The photovoltaic system including a boost converter having a controllable duty ratio, at least two strings of photovoltaic panels supplying an input of the boost converter, wherein the strings are connected in parallel with each other. The system having detector configured to detect a reverse current in any of the strings, and a controller configured to increase, in response to the detection of a reverse current in at least one of the strings, the duty ratio of the boost converter at least until the reverse current stops.
    Type: Application
    Filed: February 18, 2014
    Publication date: September 11, 2014
    Applicant: ABB OY
    Inventors: Joonas PUUKKO, Lari NOUSIAINEN