Patents by Inventor Hannu Lehtinen

Hannu Lehtinen 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: 11969689
    Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 30, 2024
    Assignee: NESTE OYJ
    Inventors: Antti Kurkijärvi, Hannu Lehtinen, Esa Korhonen, Mikko Matilainen, Max Nyström
  • Patent number: 11921071
    Abstract: The invention relates to a method for inspecting quality and/or condition of an elongated composite member, which is a load bearing member of a rope of a hoisting apparatus, such as an elevator, or a precursor of such a load bearing member, the method comprising providing an elongated composite member; and changing the temperature of said elongated composite member by heating or cooling said elongated composite member via a flank thereof; and scanning said elongated composite member from a lateral side thereof with a thermal imaging device after said changing of the temperature; and creating thermographic images of said elongated composite member.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: March 5, 2024
    Assignee: Kone Corporation
    Inventors: Kim Antin, Sven Bossuyt, Antti Hassinen, Juha Helenius, Juha Honkanen, Mika Juntunen, Petri Kere, Mikko Lassila, Hannu Lehtinen, Aleksi Nareikko, Mikko Puranen, Kai Ruotsalainen, Petteri Valjus
  • Publication number: 20230042698
    Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.
    Type: Application
    Filed: June 1, 2020
    Publication date: February 9, 2023
    Applicant: Neste Oyj
    Inventors: Antti KURKIJÄRVI, Hannu LEHTINEN, Esa KORHONEN, Mikko MATILAINEN, Max NYSTRÖM
  • Patent number: 11471817
    Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: October 18, 2022
    Assignee: NESTE OYJ
    Inventors: Antti Kurkijärvi, Hannu Lehtinen, Esa Korhonen, Mikko Matilainen, Max Nyström
  • Publication number: 20220226765
    Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.
    Type: Application
    Filed: June 1, 2020
    Publication date: July 21, 2022
    Applicant: Neste Oyj
    Inventors: Antti KURKIJÄRVI, Hannu LEHTINEN, Esa KORHONEN, Mikko MATILAINEN, Max NYSTRÖM
  • Patent number: 10968078
    Abstract: The invention relates to a method for monitoring condition of a rope of a hoisting device, which rope comprises one or more load bearing members oriented to extend parallel with longitudinal direction of the rope throughout the length thereof. The method comprises measuring strains of one or more portions of a load bearing member of the rope; and comparing the measured strains of one or more portions of a load bearing member of the rope with at least one reference. The invention also relates to a hoisting device implementing the method.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: April 6, 2021
    Assignee: Kone Corporation
    Inventors: Hannu Lehtinen, Jukka Penttila, Juha Helenius
  • Patent number: 10823704
    Abstract: A method for inspecting a condition of an elongated load bearing member of a rope of a hoisting apparatus, such as an elevator includes ultrasound scanning one or more regions of the load bearing member with an ultrasonic scanner. A method for inspecting a condition of a rope of a hoisting apparatus, such as an elevator, which rope includes at least one load bearing member includes inspecting at least one load bearing member of the rope with an ultrasound scanner.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: November 3, 2020
    Assignee: KONE CORPORATION
    Inventors: Mikko Puranen, Hannu Lehtinen
  • Patent number: 10618777
    Abstract: A rope lifting tool for belt-shaped ropes provided with an uneven surface pattern on one or both of its opposing wide sides, includes a first guide for guiding the rope lifting tool along a first guide rail; a second guide for guiding the rope lifting tool along a second guide rail; an upright plate, and an inclined plate at an acute angle relative to the upright plate, the upright plate and the inclined plate having a wedge shaped space between them; and a plurality of wedge members placed adjacent each other inside the wedge-shaped space. A rope gap for receiving an end of a belt-shaped rope is formed between each wedge member and the upright plate, which rope gap is narrowable by wedging of the wedge member in the wedge shaped space. A rope lifting arrangement includes the rope lifting tool.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 14, 2020
    Assignee: KONE CORPORATION
    Inventors: Hannu Lehtinen, Teemu Majasalmi
  • Patent number: 10557233
    Abstract: The invention relates to a method for manufacturing a hoisting rope, comprising the steps of providing a plurality of elongated composite members, which composite members are made of composite material comprising reinforcing fibers in polymer matrix; and arranging the composite members to form an elongated row of parallel composite members, which row has a longitudingal direction, a thickness direction and a width direction, and in which row the composite members are positioned side by side such that they are parallel to each other, and spaced apart from each other in width direction of the row; and directing plasma treatment on the outer surface of the composite members; and embedding the composite members in fluid polymer material; and solidifying the polymer material wherein the composite members are embedded. The invention relates also to a hoisting rope obtained with the method and an elevator comprising the hoisting rope.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: February 11, 2020
    Assignee: Kone Corporation
    Inventors: Hannu Lehtinen, Riku Lampinen
  • Patent number: 10508002
    Abstract: A rope lifting tool for belt-shaped ropes comprises a first guide for guiding the rope lifting tool along a first guide rail; a second guide for guiding the rope lifting tool along a second guide rail; an upright plate, and an inclined plate at an acute angle relative to the upright plate. The upright plate and the inclined plate have a wedge shaped space between them. A plurality of wedge members are placed adjacent each other inside the wedge-shaped space. A rope gap for receiving an end of a belt-shaped rope is formed between each wedge member and the upright plate, which rope gap is narrowable by wedging of the wedge member in the wedge shaped space. A rope lifting arrangement includes the rope lifting tool.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: December 17, 2019
    Assignee: KONE CORPORATION
    Inventors: Hannu Lehtinen, Antti Koskinen, Pekka Hallikainen, Toma Cornea, Teemu Majasalmi
  • Patent number: 10479650
    Abstract: An arrangement for reducing the displacement of an elevator car caused by a change in loading includes at least an elevator car configured to move up and down in an elevator hoistway and one or more counterweights, and also at least one rope element above the elevator car and at least one rope element below the elevator car and at least one pretensioner of the rope elements. The elevator car and counterweight are configured to be supported and moved via the rope elements and the pretensioner and rope pulleys, of which rope pulleys the first part are diverting pulleys, and the second part are traction sheaves. The arrangement additionally includes at least two hoisting machines. In the arrangement is a mechanism configured to lock at least two rope pulleys to be non-rotating at least during loading of the elevator car.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 19, 2019
    Assignee: KONE CORPORATION
    Inventors: Pentti Alasentie, Hannu Lehtinen, Pekka Rantanen
  • Patent number: 10482078
    Abstract: The disclosure relates to a method (30) of handling a hash-tree based data signature. The method (30) is performed in a first device (13, 13a) and comprises: receiving (31), from a second device (12, 12a, 12b), a data signature generation request, the request comprising an indication on type of storage of a generated data signature; generating (32), in response to the data signature generation request, the data signature B using a hash-tree based data signing method; and providing (33), to the second device (12, 12a, 12b), a reference C to the generated data signature, wherein the generated data signature is obtainable by means of the reference C. The disclosure also relates to a method in a second device, corresponding devices, computer programs and computer program products.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 19, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Harri Hakala, Mikael Jaatinen, Hannu Lehtinen, Leena Marjatta Mattila
  • Publication number: 20190219530
    Abstract: The invention relates to a method for inspecting quality and/or condition of an elongated composite member, which is a load bearing member of a rope of a hoisting apparatus, such as an elevator, or a precursor of such a load bearing member, the method comprising providing an elongated composite member; and changing the temperature of said elongated composite member by heating or cooling said elongated composite member via a flank thereof; and scanning said elongated composite member from a lateral side thereof with a thermal imaging device after said changing of the temperature; and creating thermographic images of said elongated composite member.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 18, 2019
    Applicant: Kone Corporation
    Inventors: Kim ANTIN, Sven BOSSUYT, Antti HASSINEN, Juha HELENIUS, Juha HONKANEN, Mika JUNTUNEN, Petri KERE, Mikko LASSILA, Hannu LEHTINEN, Aleksi NAREIKKO, Mikko PURANEN, Kai RUOTSALAINEN, Petteri VALJUS
  • Patent number: 10246303
    Abstract: An arrangement for guiding belt-shaped ropes of an elevator includes a plurality of belt-shaped ropes; and a rope wheel deck including a frame mounted on a structure of an elevator, a plurality of rope wheels for guiding ropes of the elevator, and plurality of bearings, wherein the rope wheels are cambered and mounted coaxially on the frame via the bearings such that they are rotatable relative to the frame as well as relative to each other, wherein only one belt-shaped rope passes around each of said rope wheels of the rope wheel deck. An elevator implements the arrangement for guiding belt-shaped ropes of an elevator.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: April 2, 2019
    Assignee: KONE CORPORATION
    Inventors: Riku Lampinen, Hannu Lehtinen
  • Patent number: 10214388
    Abstract: A rope storage unit includes a rope reel, formed by a rope wound in a spiral form and a support body provided with an inner space inside which the rope reel is positioned supported by the support body. The rope is a rod having a straight form when in rest state and elastically bendable away from the straight form, the rope being under substantial bending tension in the spiral form. The support body includes one or more support members delimiting the inner space and surrounding radially the rope reel. The outer rim of the rope reel radially compresses against the one or more support members as an effect of the bending tension. A method is provided for installing an elevator rope implementing the rope storage unit, as well as to a method for fabricating the rope storage unit.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 26, 2019
    Assignee: KONE CORPORATION
    Inventors: Hannu Lehtinen, Antti Ikonen, Riku Lampinen, Toma Cornea, Antti Koskinen
  • Publication number: 20180306752
    Abstract: A method for inspecting a condition of an elongated load bearing member of a rope of a hoisting apparatus, such as an elevator includes ultrasound scanning one or more regions of the load bearing member with an ultrasonic scanner. A method for inspecting a condition of a rope of a hoisting apparatus, such as an elevator, which rope includes at least one load bearing member includes inspecting at least one load bearing member of the rope with an ultrasound scanner.
    Type: Application
    Filed: July 2, 2018
    Publication date: October 25, 2018
    Applicant: KONE Corporation
    Inventors: Mikko Puranen, Hannu Lehtinen
  • Patent number: 10099896
    Abstract: A rope terminal assembly of a hoisting apparatus includes a first compression member having a first contact face and a second compression member having a second contact face. The compression members are placed such that their contact faces face each other and delimit between them a gap. A belt-shaped rope having a thermoplastic polymer coating forming the outer surface of the rope is placed in the gap, the contact faces of the compression members compressing against opposite wide sides of the belt-shaped rope.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: October 16, 2018
    Assignee: KONE CORPORATION
    Inventors: Hannu Lehtinen, Juha Helenius
  • Publication number: 20180229970
    Abstract: The invention relates to a method for monitoring condition of a rope of a hoisting device, which rope comprises one or more load bearing members oriented to extend parallel with longitudinal direction of the rope throughout the length thereof. The method comprises measuring strains of one or more portions of a load bearing member of the rope; and comparing the measured strains of one or more portions of a load bearing member of the rope with at least one reference. The invention also relates to a hoisting device implementing the method.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 16, 2018
    Applicant: Kone Corporation
    Inventors: Hannu LEHTINEN, Jukka Penttila, Juha Helenius
  • Patent number: 10029888
    Abstract: A method is provided for manufacturing an electrical contact arrangement on an end of a hoisting rope of a hoisting apparatus, which hoisting rope includes a non-conductive coating, and a plurality of adjacent conductive load bearing members for bearing the load exerted on the rope in a longitudinal direction thereof embedded in the coating and extending parallel to each other and to the longitudinal direction of the hoisting rope unbroken throughout the length of the rope, the coating forming the surface of the hoisting rope and extending between adjacent load bearing members thereby isolating them from each other, in which method a conductive plate element is placed beside the end of the hoisting rope; and the conductive plate element is attached immovably beside the end of the hoisting rope with at least one threaded screw member made of conductive material by screwing the threaded screw member into the hoisting rope such that it extends centrally between load bearing members next to each other, and such t
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: July 24, 2018
    Assignee: KONE CORPORATION
    Inventors: Hannu Lehtinen, Pekka Hallikainen
  • Patent number: 9988241
    Abstract: A hoisting rope for a hoisting apparatus has a longitudinal direction, a thickness direction and a width direction, and includes a group of load bearing members made of composite material comprising reinforcing fibers embedded in polymer matrix; and a coating encasing the group of load bearing members; wherein the load bearing members extend in an untwisted manner inside the coating parallel with each other as well as with the longitudinal direction of the rope throughout the length thereof, the load bearing members being substantially larger in width direction than in thickness direction of the rope and stacked against each other in thickness direction of the rope. An elevator includes the hoisting rope.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: June 5, 2018
    Assignee: KONE CORPORATION
    Inventor: Hannu Lehtinen