Patents by Inventor Seppo Suur-Askola
Seppo Suur-Askola 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).
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Patent number: 11274019Abstract: A wireless power transfer arrangement for an elevator car of an elevator is presented. The wireless power transfer arrangement comprises primary winding units distantly arranged with respect to each other at first positions of an elevator shaft along which the elevator car is configured to be moved, at least one secondary winding unit arranged to the elevator car. Each one of the primary winding units and the at least one secondary winding unit are arranged so that there is a gap between said winding units for enabling movement of the secondary winding unit with respect to the primary winding units and for establishing an inductive coupling between said winding units whenever said winding units are arranged to face each other at one of the first positions.Type: GrantFiled: May 3, 2018Date of Patent: March 15, 2022Assignee: Kone CorporationInventors: Pasi Raassina, Seppo Suur-Askola, Ilya Petrov, Pekka Perunka
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Patent number: 11155439Abstract: The invention relates to an elevator system comprising: an elevator car; at least one motor operable in two modes wherein in the first mode the at least one motor is consuming electrical energy and in the second mode the at least on motor is generating electrical energy; at least one rechargeable battery coupled to the at least one motor; wherein the at least one rechargeable battery is configured to be charged with an energy generated by the at least one motor when the motor is in the second mode.Type: GrantFiled: May 3, 2018Date of Patent: October 26, 2021Assignee: Kone CorporationInventors: Jouni Ratia, Markku Haivala, Seppo Suur-Askola
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Patent number: 11084690Abstract: The invention relates to an elevator comprising an electric linear motor comprising at least one linear stator designed to be located in a fixed correlation to an environment, particularly building, and at least one mover designed for connection with an elevator car to be moved and co-acting with the stator to move the car, which motor comprises a stator beam supporting said at least one stator, which stator beam has at least one side face carrying ferromagnetic poles of said stator spaced apart by a pitch, and which mover comprises at least one counter-face facing said side face(s) of the stator beam, in which counter-face electro-magnetic components of the mover are arranged to co-act with the ferromagnetic poles mounted on the stator beam, which elevator comprises an elevator brake.Type: GrantFiled: February 22, 2018Date of Patent: August 10, 2021Assignee: KONE CORPORATIONInventors: Tero Hakala, Ari Kattainen, Jussi Lähteenmäki, Seppo Suur-Askola, Jussi Perälä, Tero Purosto
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Patent number: 10965224Abstract: A method for levitation control of a linear motor includes supplying an alternating current or alternating voltage to at least one oscillating circuit including at least one sensing coil being or assumed to be arranged in a fixed spatial correlation to a mover part of the linear motor such that an opening plane of the sensing coil faces a sensor counter-surface of a stator part of the linear motor with a gap therebetween; receiving a response signal from the oscillating circuit; determining a gap length of the gap based on the response signal; and controlling the gap length by driving a magnetic levitation unit of the linear motor based on the determined gap length. An inductive sensing device and an elevator system, and a method for determining a position of the linear motor are also disclosed.Type: GrantFiled: January 11, 2018Date of Patent: March 30, 2021Assignee: KONE CORPORATIONInventors: Henry Piitulainen, Seppo Suur-Askola, Tero Purosto
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Publication number: 20200325003Abstract: 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: ApplicationFiled: June 30, 2020Publication date: October 15, 2020Applicant: Kone CorporationInventors: Tuukka KORHONEN, Tero HAKALA, Pasi RAASSINA, Seppo SUUR-ASKOLA, Marko HINKKANEN, Seppo SAARAKKALA, Maksim SOKOLOV, Reza HOSSEINZADEH
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Patent number: 10689227Abstract: 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: GrantFiled: February 12, 2019Date of Patent: June 23, 2020Assignee: Kone CorporationInventors: Tuukka Korhonen, Tero Hakala, Pasi Raassina, Seppo Suur-Askola, Marko Hinkkanen, Seppo Saarakkala, Maksim Sokolov, Reza Hosseinzadeh
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Publication number: 20200189884Abstract: 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: ApplicationFiled: November 26, 2019Publication date: June 18, 2020Applicant: KONE CorporationInventors: Tuukka Korhonen, Pasi Raassina, Seppo Suur-Askola
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Patent number: 10574166Abstract: 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: GrantFiled: February 20, 2018Date of Patent: February 25, 2020Assignee: KONE CORPORATIONInventors: Pasi Raassina, Seppo Suur-Askola, Jussi Lähteenmäki, Marko Minkkinen, Tuukka Korhonen
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Publication number: 20190359447Abstract: An elevator and a method for testing an operating condition of two or more elevator car brakes are provided, each of the car brakes including an actuator to control the car brake and each of the car brakes mounted to elevator car and fitted to selectively engage against a guide rail of an elevator car to stop movement of an elevator car or to open to enable movement of an elevator car. The method includes an empty car is kept at a standstill by providing a driving force upwards with all the N movers mounted to the elevator car, and total current Lot of all N movers is determined. One of the car brakes is applied while the others are kept open. The driving current of each of the movers is gradually decreased, and movement of elevator car is observed.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: KONE CorporationInventors: Tero HAKALA, Ari KATTAINEN, Jussi LÄHTEENMÄKI, Seppo SUUR-ASKOLA, Jussi PERÄLÄ, Tero PUROSTO
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Publication number: 20190300329Abstract: 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: ApplicationFiled: February 12, 2019Publication date: October 3, 2019Applicant: Kone CorporationInventors: Tuukka Korhonen, Tero Hakala, Pasi Raassina, Seppo Suur-Askola, Marko Hinkkanen, Seppo Saarakkala, Maksim Sokolov, Reza Hosseinzadeh
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Publication number: 20190233251Abstract: A method and an elevator control unit for controlling a doorstep gap at a landing floor of an elevator and an elevator are presented. The elevator comprising an electric linear motor coupled to an elevator car, wherein the method comprises moving the elevator car relative to a stator beam of the electric linear motor at the landing floor for controlling the doorstep gap at the landing floor.Type: ApplicationFiled: December 28, 2018Publication date: August 1, 2019Applicant: Kone CorporationInventors: Tero Hakala, Ari Kattainen, Jussi Lahteenmaki, Seppo Suur-Askola, Jussi Perala
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Publication number: 20180334362Abstract: A wireless power transfer arrangement for an elevator car of an elevator is presented. The wireless power transfer arrangement comprises primary winding units distantly arranged with respect to each other at first positions of an elevator shaft along which the elevator car is configured to be moved, at least one secondary winding unit arranged to the elevator car. Each one of the primary winding units and the at least one secondary winding unit are arranged so that there is a gap between said winding units for enabling movement of the secondary winding unit with respect to the primary winding units and for establishing an inductive coupling between said winding units whenever said winding units are arranged to face each other at one of the first positions.Type: ApplicationFiled: May 3, 2018Publication date: November 22, 2018Applicant: Kone CorporationInventors: Pasi RAASSINA, Seppo SUUR-ASKOLA, Ilya PETROV, Pekka PERUNKA
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Publication number: 20180262146Abstract: 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: ApplicationFiled: February 20, 2018Publication date: September 13, 2018Applicant: KONE CorporationInventors: Pasi RAASSINA, Seppo SUUR-ASKOLA, Jussi LÄHTEENMÄKI, Marko MINKKINEN, Tuukka KORHONEN
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Publication number: 20180251343Abstract: The invention relates to an elevator comprising an electric linear motor comprising at least one linear stator designed to be located in a fixed correlation to an environment, particularly building, and at least one mover designed for connection with an elevator car to be moved and co-acting with the stator to move the car, which motor comprises a stator beam supporting said at least one stator, which stator beam has at least one side face carrying ferromagnetic poles of said stator spaced apart by a pitch, and which mover comprises at least one counter-face facing said side face(s) of the stator beam, in which counter-face electro-magnetic components of the mover are arranged to co-act with the ferromagnetic poles mounted on the stator beam, which elevator comprises an elevator brake.Type: ApplicationFiled: February 22, 2018Publication date: September 6, 2018Applicant: KONE CorporationInventors: Tero HAKALA, Ari KATTAINEN, Jussi LÄHTEENMÄKI, Seppo SUUR-ASKOLA, Jussi PERÄLÄ, Tero PUROSTO
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Publication number: 20180251338Abstract: The invention relates to an elevator system comprising: an elevator car; at least one motor operable in two modes wherein in the first mode the at least one motor is consuming electrical energy and in the second mode the at least on motor is generating electrical energy; at least one rechargeable battery coupled to the at least one motor; wherein the at least one rechargeable battery is configured to be charged with an energy generated by the at least one motor when the motor is in the second mode.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Applicant: Kone CorporationInventors: Jouni RATIA, Markku Haivala, Seppo Suur-Askola
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Publication number: 20180248498Abstract: A method for levitation control of a linear motor includes supplying an alternating current or alternating voltage to at least one oscillating circuit including at least one sensing coil being or assumed to be arranged in a fixed spatial correlation to a mover part of the linear motor such that an opening plane of the sensing coil faces a sensor counter-surface of a stator part of the linear motor with a gap therebetween; receiving a response signal from the oscillating circuit; determining a gap length of the gap based on the response signal; and controlling the gap length by driving a magnetic levitation unit of the linear motor based on the determined gap length. An inductive sensing device and an elevator system, and a method for determining a position of the linear motor are also disclosed.Type: ApplicationFiled: January 11, 2018Publication date: August 30, 2018Applicant: KONE CorporationInventors: Henry PIITULAINEN, Seppo SUUR-ASKOLA, Tero PUROSTO
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Patent number: 7527127Abstract: In the invention a method is presented for ensuring operating safety in an elevator system, an elevator system, and a safety device of an elevator system. The elevator system includes at least an elevator car, elevator ropes, an elevator motor, a traction sheave and at least two holding brakes, which holding brakes are arranged to prevent movement of the elevator car when the elevator is stopped. According to the invention the first holding brake is engaged at the end of an elevator run, and the other holding brakes are engaged with a delay. When one holding brake is engaged, the state of motion of the elevator and any slipping of the brake is monitored. If the brake is detected as slipping, a procedure for preventing a hazardous situation is performed.Type: GrantFiled: February 7, 2008Date of Patent: May 5, 2009Assignee: Kone CorporationInventors: Jari Österman, Seppo Suur-Askola, Jarmo Myllynen, Simo Mäkimattila, Jukka Korpela, Joni Kiiski
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Publication number: 20080185231Abstract: In the invention a method is presented for ensuring operating safety in an elevator system, an elevator system, and a safety device of an elevator system. The elevator system comprises at least an elevator car, elevator ropes, an elevator motor, a traction sheave and at least two holding brakes, which holding brakes are arranged to prevent movement of the elevator car when the elevator is stopped. According to the invention the first holding brake is engaged at the end of an elevator run, and the other holding brakes are engaged with a delay. When one holding brake is engaged, the state of motion of the elevator and any slipping of the brake is monitored. If the brake is detected as slipping, a procedure for preventing a hazardous situation is performed.Type: ApplicationFiled: February 7, 2008Publication date: August 7, 2008Applicant: KONE CORPORATIONInventors: Jari Osterman, Seppo Suur-Askola, Jarmo Myllynen, Simo Makimattila, Jukka Korpela, Joni Kiiski
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Patent number: 6854565Abstract: The invention relates to a method for monitoring the condition of the door of an elevator and determining its need for maintenance, the door comprising a door mechanism, door panels and a door operator. The signals (10) of the control system of a door in good condition are measured and a set of characteristics descriptive of the operation of the door is generated from them. The signals (10) of the door control system are measured the operation during the opening and closing movements of the door is divided into stages according to which parts of the door are functioning at each stage. From the measured signals (10), a set of characteristics descriptive of the operation of the door is generated. The set of characteristics thus generated is compared to the set of characteristics for a normal operating condition stored in memory, at least in one stage of operation.Type: GrantFiled: April 17, 2003Date of Patent: February 15, 2005Assignee: Kone CorporationInventors: Pekka Perälä, Riitta Partanen-Jokela, Seppo Suur-Askola, Pekka Torenius
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Publication number: 20030217894Abstract: The invention relates to a method for monitoring the condition of the door of an elevator and determining its need for maintenance, the door comprising a door mechanism, door panels and a door operator. The signals (10) of the control system of a door in good condition are measured and a set of characteristics descriptive of the operation of the door is generated from them. The signals (10) of the door control system are measured the operation during the opening and closing movements of the door is divided into stages according to which parts of the door are functioning at each stage. From the measured signals (10), a set of characteristics descriptive of the operation of the door is generated. The set of characteristics thus generated is compared to the set of characteristics for a normal operating condition stored in memory, at least in one stage of operation.Type: ApplicationFiled: April 17, 2003Publication date: November 27, 2003Inventors: Pekka Perala, Riitta Partanen-Jokela, Seppo Suur-Askola, Pekka Torenius