Patents by Inventor Raimo Pelto-Huikko

Raimo Pelto-Huikko 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: 11565912
    Abstract: A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, the composite material including non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 31, 2023
    Assignee: KONE CORPORATION
    Inventors: Raimo Pelto-Huikko, Petteri Valjus, Juha Honkanen, Kim Sjödahl
  • Patent number: 11554937
    Abstract: The invention relates to a traction wheel for an elevator for driving plurality of belts, comprising a central axis; plurality of circular rim surfaces side by side in axial direction against each of which a belt can be placed to pass; and circular guide flanges on axial sides of each rim surface for guiding a belt placed to pass against the rim surface. Each of said guide flanges comprises a circular array of guide parts, plurality of which guide parts comprises a guide surface portion for guiding a belt, which guide surface portion is movable towards the central axis. The invention also relates to a drive machinery and an elevator implementing the traction wheel.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: January 17, 2023
    Assignee: Kone Corporation
    Inventors: Juha Helenius, Raimo Pelto-Huikko, Aleksi Nareikko, Mika Juntunen
  • Patent number: 11427440
    Abstract: The invention relates to a belt-shaped rope of an elevator having opposite lateral sides facing in thickness direction of the rope, at least one of the lateral sides being shaped to have elongated ribs that are disposed adjacent each other in width direction of the rope and extend parallel with the longitudinal direction of the rope. Each said rib has a first flank face for contacting a flank face of a rib of a rope wheel, and a second flank face for contacting a flank face of a rib of a rope wheel. Each said first and second flank face is shaped to have an arcuate cross-sectional profile, and said first and second flank face are shaped to arc to such steepness that the angle defined between their tangents is acute, and the surface material of said flank faces has shore A hardness more than 85 and less than 100. The invention also relates to an elevator arrangement as well as to an elevator, implementing the aforementioned belt-shaped rope.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 30, 2022
    Assignee: Kone Corporation
    Inventors: Petteri Valjus, Juha Helenius, Raimo Pelto-Huikko, Petri Kere
  • Patent number: 11345574
    Abstract: The invention relates to a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, and a motor for rotating the drive sheave; the drive sheave comprising a drive sheave body rotatable around a rotational axis; and plurality of rim arrangements mounted on the drive sheave body side by side in direction of said rotational axis, each said rim arrangement defining a circular outer rim for transmitting traction to a rope, said circular outer rims being coaxial with each other. The diameter of the circular outer rim of one or more of said rim arrangements is individually adjustable for enlarging or reducing the turning radius of a rope passing around the circular outer rim in question. The invention also relates to an elevator comprising said drive machinery.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: May 31, 2022
    Assignee: Kone Corporation
    Inventors: Juha Helenius, Raimo Pelto-Huikko
  • Publication number: 20220135368
    Abstract: A brake system and method for elevators, the elevator comprising an elevator car and suspension means supporting the elevator car and the counterweight. The brake system comprises at least one brake configured to decelerate the elevator car, means for measuring elevator deceleration configured to produce feedback, such as a displacement, relating to elevator deceleration to the at least one brake, and means for adjusting brake force and/or torque based on the feedback from the means for measuring elevator deceleration. The means for adjusting brake force and/or torque is configured to control the brakes to produce a variable brake force and/or torque so that the elevator car deceleration is kept essentially constant at a predefined set point value or within a certain range around the predefined set point value.
    Type: Application
    Filed: October 18, 2021
    Publication date: May 5, 2022
    Applicant: Kone Corporation
    Inventors: Juha HELENIUS, Raimo PELTO-HUIKKO
  • Patent number: 11261059
    Abstract: The invention relates to an a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, the drive sheave comprising a central cylinder, which comprises a central axis around which the central cylinder is rotatable; plurality of circular rim members surrounding the central cylinder, each said rim member comprising an outer rim surface for engaging a rope. Said plurality of circular rim members includes one or more rotatably mounted circular rim members, each said rotatably mounted circular rim member being mounted on the central cylinder rotatably around said central axis relative to the central cylinder and relative to one or more of the other circular rim members, and in that said drive sheave moreover comprises a control means for controlling rotation of each said rotatably mounted circular rim member relative to the central cylinder and relative to one or more of the other circular rim members.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: March 1, 2022
    Assignee: Kone Corporation
    Inventors: Juha Helenius, Raimo Pelto-Huikko
  • Patent number: 11247870
    Abstract: The invention relates to a belt-shaped rope of an elevator having opposite lateral sides facing in thickness direction of the rope, at least one of the lateral sides being shaped to have elongated wedge-shaped ribs that are disposed adjacent each other in width direction of the rope and extend parallel with the longitudinal direction of the rope, each said wedge-shaped rib having a first flank face and a second flank face that are at an acute angle relative to each other, and the surface material of said flank faces has shore A hardness more than 85 and less than 100. The invention also relates to an elevator arrangement as well as to an elevator, implementing the aforementioned belt-shaped rope.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 15, 2022
    Assignee: Kone Corporation
    Inventors: Petteri Valjus, Juha Helenius, Raimo Pelto-Huikko, Petri Kere
  • Patent number: 11136713
    Abstract: A wire rope is disclosed that comprises metal wires, preferably steel wires, as a load-bearing material, which rope comprises at least one or more strands laid from said metal wires and which rope is lubricated with a lubricant. Another object is the use of the aforementioned lubricant for lubricating a steel rope. The lubricant comprises at least oil and powder substance, which powder substance comprises at least particles whose hardness is greater than 4 on the Mohs scale. A traction sheave elevator comprising such a wire rope as a suspension rope is disclosed, too.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 5, 2021
    Assignee: Krone Corporation
    Inventor: Raimo Pelto-Huikko
  • Publication number: 20210300728
    Abstract: The invention relates to a traction wheel for an elevator for driving plurality of belts, comprising a central axis; plurality of circular rim surfaces side by side in axial direction against each of which a belt can be placed to pass; and circular guide flanges on axial sides of each rim surface for guiding a belt placed to pass against the rim surface. Each of said guide flanges comprises a circular array of guide parts, plurality of which guide parts comprises a guide surface portion for guiding a belt, which guide surface portion is movable towards the central axis. The invention also relates to a drive machinery and an elevator implementing the traction wheel.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Applicant: Kone Corporation
    Inventors: Juha HELENIUS, Raimo PELTO-HUIKKO, Aleksi NAREIKKO, Mika JUNTUNEN
  • Patent number: 11078439
    Abstract: In a paste type lubrication between a steel wire rope and a rope groove of a pulley, is applied a paste lubricant which contains oil and small solid particles. Solid particles could be of a wide variety sizes and they are small enough to at least partly fit into the valleys between the peaks of surface roughness of the ropes or the rope groove.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: August 3, 2021
    Assignee: KONE CORPORATION
    Inventors: Raimo Pelto-Huikko, Anssi Laukkanen, Kenneth Holmberg, Timo Hakala
  • Patent number: 11034552
    Abstract: The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: June 15, 2021
    Assignee: Kone Corporation
    Inventors: Tarvo Viita-Aho, Jorma Mustalahti, Raimo Pelto-Huikko, Janne Laine
  • Publication number: 20210009382
    Abstract: A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, the composite material including non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Applicant: KONE CORPORATION
    Inventors: Raimo PELTO-HUIKKO, Petteri VALJUS, Juha HONKANEN, Kim SJÖDAHL
  • Patent number: 10843900
    Abstract: A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, the composite material including non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: November 24, 2020
    Assignee: KONE CORPORATION
    Inventors: Raimo Pelto-Huikko, Petteri Valjus, Juha Honkanen, Kim Sjödahl
  • Patent number: 10773925
    Abstract: A belt-type traction apparatus includes a herringbone toothed belt, which includes two edge parts and a center part between the two edge parts in a transverse direction of the herringbone toothed belt and connecting the edge parts in the transverse direction. The two edge parts and the center part each extend in a longitudinal direction of the herringbone toothed belt. The center part is associated with a first spring constant, the two edge parts are each associated with a second spring constant, and the first spring constant smaller than the second spring constant. Each edge part includes a tooth part and a support structure supporting the tooth part. Each support structure includes a plurality of reinforcement members extending in the longitudinal direction of the toothed belt.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 15, 2020
    Assignee: Kone Corporation
    Inventor: Raimo Pelto-Huikko
  • Publication number: 20200239808
    Abstract: In a paste type lubrication between a steel wire rope and a rope groove of a pulley, is applied a paste lubricant which contains oil and small solid particles. Solid particles could be of a wide variety sizes and they are small enough to at least partly fit into the valleys between the peaks of surface roughness of the ropes or the rope groove.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Applicant: KONE CORPORATION
    Inventors: Raimo PELTO-HUIKKO, Anssi LAUKKANEN, Kenneth HOLMBERG, Timo Hakala
  • Publication number: 20200198935
    Abstract: The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Applicant: Kone Corporation
    Inventors: Tarvo VIITA-AHO, Jorma MUSTALAHTI, Raimo PELTO-HUIKKO, Janne LAINE
  • Publication number: 20200071134
    Abstract: The invention relates to a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, and a motor for rotating the drive sheave; the drive sheave comprising a drive sheave body rotatable around a rotational axis; and plurality of rim arrangements mounted on the drive sheave body side by side in direction of said rotational axis, each said rim arrangement defining a circular outer rim for transmitting traction to a rope, said circular outer rims being coaxial with each other. The diameter of the circular outer rim of one or more of said rim arrangements is individually adjustable for enlarging or reducing the turning radius of a rope passing around the circular outer rim in question. The invention also relates to an elevator comprising said drive machinery.
    Type: Application
    Filed: July 1, 2019
    Publication date: March 5, 2020
    Applicant: Kone Corporation
    Inventors: Juha HELENIUS, Raimo Pelto-Huikko
  • Publication number: 20190375612
    Abstract: The invention relates to an a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, the drive sheave comprising a central cylinder, which comprises a central axis around which the central cylinder is rotatable; plurality of circular rim members surrounding the central cylinder, each said rim member comprising an outer rim surface for engaging a rope. Said plurality of circular rim members includes one or more rotatably mounted circular rim members, each said rotatably mounted circular rim member being mounted on the central cylinder rotatably around said central axis relative to the central cylinder and relative to one or more of the other circular rim members, and in that said drive sheave moreover comprises a control means for controlling rotation of each said rotatably mounted circular rim member relative to the central cylinder and relative to one or more of the other circular rim members.
    Type: Application
    Filed: April 22, 2019
    Publication date: December 12, 2019
    Applicant: Kone Corporation
    Inventors: Juha HELENIUS, Raimo PELTO-HUIKKO
  • Patent number: 10280039
    Abstract: The invention relates to a rope terminal assembly of an elevator fixing an elevator rope to a fixing base such as an elevator unit, said elevator being suitable for transporting passengers and/or goods, said assembly comprising an elevator rope, whose width is larger than its thickness in a rope transverse direction, with at least one end comprising a first member with a first end face and a second member with a second end face, a wedge element, a wedge housing, the rope terminal assembly comprising a rope gap through which said elevator rope passes and said wedge element is arranged to wedge between the first member with the first end face and the second member with the second end face of the elevator rope thus locking said elevator rope in the gap, and an elevator.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: May 7, 2019
    Assignee: Kone Corporation
    Inventor: Raimo Pelto-Huikko
  • Publication number: 20190062993
    Abstract: A wire rope is disclosed that comprises metal wires, preferably steel wires, as a load-bearing material, which rope comprises at least one or more strands laid from said metal wires and which rope is lubricated with a lubricant. Another object is the use of the aforementioned lubricant for lubricating a steel rope. The lubricant comprises at least oil and powder substance, which powder substance comprises at least particles whose hardness is greater than 4 on the Mohs scale. A traction sheave elevator comprising such a wire rope as a suspension rope is disclosed, too.
    Type: Application
    Filed: October 31, 2018
    Publication date: February 28, 2019
    Applicant: Kone Corporation
    Inventor: Raimo PELTO-HUIKKO