Patents by Inventor Tuukka Korhonen

Tuukka Korhonen 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: 11025186
    Abstract: An electric linear motor, an elevator and a method for controlling rotation of a mover with respect to a stator beam are presented. The electric linear motor includes a number of stator beams, wherein at least one of the stator beams includes a plurality of stators extending in a longitudinal direction of the stator beam, a number of movers, wherein at least one of the movers includes a plurality of armatures, wherein each one of the armatures is adapted for establishing an electromagnetic coupling with a corresponding one of the stators for moving the mover along said stator, and wherein at least one of the armatures is arranged to be offset from the aligned position with respect to the corresponding one of the stators in a perpendicular direction relative to the longitudinal direction.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: June 1, 2021
    Assignee: KONE CORPORATION
    Inventors: Jussi Lähteenmäki, Tuukka Korhonen, Tero Purosto, Tero Hakala
  • Publication number: 20210155446
    Abstract: A method for operating, such as commissioning, an elevator, and an elevator are presented herein. The elevator comprises an electric linear motor for moving movable units. The method comprises moving a first movable unit along a linear stator of the electric linear motor in the elevator shaft, and determining at least one characteristic, such as a floor position or an air gap width of the electric linear motor, at a plurality of elevator shaft positions by the first movable unit, such as by a winding, a coil, or a sensor, during the moving. The method further comprises storing the determined at least one characteristic, and controlling moving of at least a second movable unit, such as comprising another of the elevator cars or a second motor unit, by utilizing the stored at least one characteristic.
    Type: Application
    Filed: October 16, 2020
    Publication date: May 27, 2021
    Applicant: KONE Corporation
    Inventors: Pasi Raassina, Tuukka Korhonen, Ari Hänninen, Ari Koivisto, Hannu Nousu, Mikko Puranen, Tapio Tyni, Tommi Huotari
  • Patent number: 11012019
    Abstract: An electric linear motor, an elevator and a method for controlling rotation of a mover with respect to a stator beam are presented. The electric linear motor includes a number of stator beams, wherein at least one of them includes stators extending in a longitudinal direction of the beam. The motor also includes a number of movers, wherein at least one them includes armatures, wherein each armature is adapted for establishing an electromagnetic coupling with a corresponding stator for moving the mover. The motor also includes an air gap regulator for regulating movement of the mover with respect to the stator beam, wherein the air gap regulator includes guide element(s) arranged for limiting the rotation of the mover with respect to the stator beam.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: May 18, 2021
    Assignee: KONE CORPORATION
    Inventors: Jussi Lähteenmäki, Tuukka Korhonen, Tero Purosto, Tero Hakala
  • Publication number: 20210078830
    Abstract: A linear motor includes a stator and a mover adapted to move along the stator, one of them including non-magnetic core coils arranged in a row in a longitudinal direction. The other of the stator and the mover includes permanent magnets arranged in at least two adjacent rows in a longitudinal direction. The rows of permanent magnets are separated by a gap(s) dimensioned for receiving the row(s) of coils. At least one of the rows of permanent magnets may be arranged in a form of a Halbach array. The elevator may include an elevator shaft and an elevator car arranged to be moved by the linear motor in the elevator shaft.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 18, 2021
    Applicant: KONE Corporation
    Inventors: Tero Hakala, Tuukka Korhonen, Marko Minkkinen
  • Publication number: 20210024329
    Abstract: The invention relates to a conveyor for passengers and/or goods, the conveyor comprising at least one linear electric motor formed by linear stator beams with stator poles being located in a fixed correlation to an environment, and at least one mover co-acting and moving along the stator beams, the stator beams comprising at least a first stator beam extending in a first movement path in a first direction of the passenger conveyor and at least a second stator beam extending in a second movement path in a second direction of the passenger conveyor, wherein the first direction and the second direction are different directions, selected from the group of horizontal, inclined and vertical direction, and which mover is adapted to face the respective stator poles of the stator beam, wherein the mover has at least one winding arranged to co-act with the stator poles; the linear motor being controlled by a motor drive, which is controlled by a drive control.
    Type: Application
    Filed: June 30, 2020
    Publication date: January 28, 2021
    Applicant: KONE Corporation
    Inventors: Henry Piitulainen, Tuukka Korhonen, Antti Kallioniemi
  • Publication number: 20210006143
    Abstract: The invention relates to an electric linear motor for a transport system, the electric linear motor being formed by at least one linear stator rail with stator poles being located in a fixed correlation to an environment, and at least one mover co-acting and moving along the stator rail, the linear stator rail comprising at least one horizontal stator rail, having upper stator poles extending upwards from the horizontal stator rail and lower stator poles extending downwards from the horizontal stator rail. According to the invention at least one of the physical characteristic of the upper stator poles differs from that of the lower stator poles, as to cope with gravitational forces acting on the mover in normal direction of the horizontal stator rail.
    Type: Application
    Filed: June 23, 2020
    Publication date: January 7, 2021
    Applicant: KONE Corporation
    Inventor: Tuukka Korhonen
  • Publication number: 20200354194
    Abstract: The invention refers to a linear electric motor comprising at least one linear stator having stator teeth, which stator is designed to be located in a fixed correlation to an environment and extending over a movement path and, the linear electric motor further comprising at least one mover co-acting with and moving along the stator. According to the invention at least the top portion of the stator teeth facing the mover is inclined with respect to the normal of the stator beam.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 12, 2020
    Applicant: KONE CORPORATION
    Inventor: Tuukka KORHONEN
  • Patent number: 10826368
    Abstract: A linear flux switching permanent magnet (FSPM) motor includes a longitudinal, linear stator with stator teeth facing an air gap and a mover including at least one armature including armature teeth embedding at least one permanent magnet, which armature teeth are spaced apart by slots for receiving an armature winding, and which armature teeth have an extended width portion towards the air gap. The extended width portion of the armature teeth begins in the longitudinal direction of the armature teeth already at the level of the armature windings.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: November 3, 2020
    Assignee: KONE CORPORATION
    Inventors: Tero Hakala, Tuukka Korhonen, Tero Purosto, Ilya Petrov, Juha Pyrhönen
  • Publication number: 20200325003
    Abstract: The invention refers to an electric linear motor comprising a longitudinal stator beam; at least one mover adapted to move along the stator beam; which stator beam comprises at least two side faces located at opposite sides of the stator beam, each of the side faces carrying ferromagnetic poles spaced apart by a pitch, and which mover comprises at least two counter-faces facing the respective side faces of the stator beam, wherein the at least two side faces, as well as the at least two counter-faces facing the respective side faces, are inclined or offset with respect to each other.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 15, 2020
    Applicant: Kone Corporation
    Inventors: Tuukka KORHONEN, Tero HAKALA, Pasi RAASSINA, Seppo SUUR-ASKOLA, Marko HINKKANEN, Seppo SAARAKKALA, Maksim SOKOLOV, Reza HOSSEINZADEH
  • Publication number: 20200300319
    Abstract: An electromagnetic brake comprises an electromagnet arranged about a central axis SA; a slide movable with respect to the electromagnet in a slide actuation direction upon actuation of the electromagnet, and an air gap provided between the electromagnet and the slide through which a magnetic field passes when the electromagnet is actuated, wherein the slide is arranged radially inside or outside of the electromagnet with respect to the central axis SA. The electromagnetic brake is silent.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 24, 2020
    Applicant: KONE Corporation
    Inventors: Tuukka Korhonen, Jorma Mustalahti
  • Patent number: 10749423
    Abstract: A linear flux switching permanent magnet (FSPM) motor includes a longitudinal linear stator with stator teeth facing an air gap and a mover including at least one armature including armature teeth, which are spaced apart by slots for receiving an armature winding. At least some, preferably all of the armature teeth embed at least two permanent magnets, respectively, which are positioned successively in longitudinal direction of the tooth, whereby the two permanent magnets have different magnetic properties.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: August 18, 2020
    Assignee: KONE CORPORATION
    Inventors: Tero Hakala, Tuukka Korhonen, Tero Purosto, Ilya Petrov, Juha Pyrhönen
  • Patent number: 10689227
    Abstract: The invention refers to an electric linear motor, control apparatus, transport system and a method. The electric linear motor comprises a longitudinal stator beam; at least one mover at least partially surrounding the stator beam and adapted to move along the stator beam; which stator beam comprises at least two side faces located at opposite sides of the stator beam, each of the side faces carrying ferromagnetic poles spaced apart by a pitch, and which mover comprises at least two counter-faces facing the respective side faces of the stator beam. The mover has in at least one of said counter-faces rotor units having at least one winding and at least one permanent magnet arranged to co-act with the ferromagnetic poles of the respective side faces of the stator beam.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: June 23, 2020
    Assignee: Kone Corporation
    Inventors: Tuukka Korhonen, Tero Hakala, Pasi Raassina, Seppo Suur-Askola, Marko Hinkkanen, Seppo Saarakkala, Maksim Sokolov, Reza Hosseinzadeh
  • Publication number: 20200195183
    Abstract: An electric linear motor, an elevator and a method for controlling rotation of a mover with respect to a stator beam are presented. The electric linear motor includes a number of stator beams, wherein at least one of them includes stators extending in a longitudinal direction of the beam. The motor also includes a number of movers, wherein at least one them includes armatures, wherein each armature is adapted for establishing an electromagnetic coupling with a corresponding stator for moving the mover. The motor also includes an air gap regulator for regulating movement of the mover with respect to the stator beam, wherein the air gap regulator includes guide element(s) arranged for limiting the rotation of the mover with respect to the stator beam.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 18, 2020
    Applicant: KONE Corporation
    Inventors: Jussi Lähteenmäki, Tuukka Korhonen, Tero Purosto, Tero Hakala
  • Publication number: 20200195182
    Abstract: An electric linear motor, an elevator and a method for controlling rotation of a mover with respect to a stator beam are presented. The electric linear motor includes a number of stator beams, wherein at least one of the stator beams includes a plurality of stators extending in a longitudinal direction of the stator beam, a number of movers, wherein at least one of the movers includes a plurality of armatures, wherein each one of the armatures is adapted for establishing an electromagnetic coupling with a corresponding one of the stators for moving the mover along said stator, and wherein at least one of the armatures is arranged to be offset from the aligned position with respect to the corresponding one of the stators in a perpendicular direction relative to the longitudinal direction.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 18, 2020
    Applicant: KONE Corporation
    Inventors: Jussi Lähteenmäki, Tuukka Korhonen, Tero Purosto, Tero Hakala
  • Publication number: 20200189884
    Abstract: An electric linear motor and an elevator are presented. The electric linear motor includes a stator beam including at least two stators rails, and a number of movers configured to move with respect to the stator beam. Each mover includes at least two motor units configured to be arranged next to the stator beam such that each one of the motor units faces one of the stator rails, and each one of the at least two motor units includes at least two independently controllable motor subunits arranged consecutively with respect to a longitudinal direction of the motor unit. Each of said motor subunits includes windings for generating a magnetic field to form a magnetic coupling between the motor subunit and the respective stator rail.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 18, 2020
    Applicant: KONE Corporation
    Inventors: Tuukka Korhonen, Pasi Raassina, Seppo Suur-Askola
  • Publication number: 20200176183
    Abstract: A method for manufacturing a magnetic core of an electric machine is presented. The method comprises defining at least one characteristic of magnetic flux for each of at least two portions of the magnetic core, determining types for each of the at least two portions of the magnetic core based on the defined at least one characteristic representing the corresponding portion of the magnetic core, and obtaining or producing the magnetic core comprising the at least two portions having the determined types.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 4, 2020
    Applicant: KONE CORPORATION
    Inventors: Tuukka KORHONEN, Tero HAKALA, Tero PUROSTO, Jouni RATIA
  • Patent number: 10662029
    Abstract: An overspeed governor including a governor sheave, a permanent magnet rotor coupled to the governor sheave, a stator arranged to interact with the permanent magnet rotor, a safety gear for braking movement of an elevator car and a safety rope fixed to the safety gear and arranged to run via the governor sheave. The stator includes a winding adapted to exert, when energized, to the permanent magnet rotor a braking force that brakes movement of the permanent magnet rotor and, consequently, movement of the governor sheave and the safety rope, thereby activating the safety gear.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: May 26, 2020
    Assignee: Kone Corporation
    Inventors: Henri Vakkamaki, Tuukka Korhonen
  • Patent number: 10574166
    Abstract: An electric linear motor for an elevator and a method for controlling the operation thereof are presented. The electric linear motor comprises at least one stator beam and at least one mover, wherein said at least one stator beam comprises at least two stators on opposite sides of the stator beam, and the at least one mover is in electromagnetic engagement with said at least two stators and configured to be moved relative to said stator beam. Said at least one mover comprises at least two units of electromagnetic components arranged on opposite sides of the stator beam to face said at least two stators for controlling the movement and the position of the mover with respect to said stator beam.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: February 25, 2020
    Assignee: KONE CORPORATION
    Inventors: Pasi Raassina, Seppo Suur-Askola, Jussi Lähteenmäki, Marko Minkkinen, Tuukka Korhonen
  • Publication number: 20190352128
    Abstract: A levitating guide shoe arrangement and a method for guiding an elevator car along a stator beam of an electric linear motor during an emergency condition are presented. A levitating guide shoe arrangement for guiding an elevator car along a stator beam of an electric linear motor during an emergency condition includes a levitating guide shoe and a guide surface. The guide surface is included in the stator beam. The levitating guide shoe is configured for arranging in an operating position with respect to the guide surface and includes a magnetic field generator configured to generate a magnetic field that extends to the guide surface. The arrangement is configured to establish an air gap between the levitating guide shoe and the guide surface by the magnetic field.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 21, 2019
    Applicant: KONE Corporation
    Inventors: Tuukka Korhonen, Jouni Ratia, Tero Hakala, Tero Purosto
  • Publication number: 20190300329
    Abstract: The invention refers to an electric linear motor, control apparatus, transport system and a method. The electric linear motor comprises a longitudinal stator beam; at least one mover at least partially surrounding the stator beam and adapted to move along the stator beam; which stator beam comprises at least two side faces located at opposite sides of the stator beam, each of the side faces carrying ferromagnetic poles spaced apart by a pitch, and which mover comprises at least two counter-faces facing the respective side faces of the stator beam. The mover has in at least one of said counter-faces rotor units having at least one winding and at least one permanent magnet arranged to co-act with the ferromagnetic poles of the respective side faces of the stator beam.
    Type: Application
    Filed: February 12, 2019
    Publication date: October 3, 2019
    Applicant: Kone Corporation
    Inventors: Tuukka Korhonen, Tero Hakala, Pasi Raassina, Seppo Suur-Askola, Marko Hinkkanen, Seppo Saarakkala, Maksim Sokolov, Reza Hosseinzadeh