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).
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Patent number: 11565912Abstract: 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: GrantFiled: September 30, 2020Date of Patent: January 31, 2023Assignee: KONE CORPORATIONInventors: Raimo Pelto-Huikko, Petteri Valjus, Juha Honkanen, Kim Sjödahl
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Patent number: 11554937Abstract: 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: GrantFiled: March 24, 2021Date of Patent: January 17, 2023Assignee: Kone CorporationInventors: Juha Helenius, Raimo Pelto-Huikko, Aleksi Nareikko, Mika Juntunen
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Patent number: 11427440Abstract: 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: GrantFiled: October 26, 2018Date of Patent: August 30, 2022Assignee: Kone CorporationInventors: Petteri Valjus, Juha Helenius, Raimo Pelto-Huikko, Petri Kere
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Patent number: 11345574Abstract: 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: GrantFiled: July 1, 2019Date of Patent: May 31, 2022Assignee: Kone CorporationInventors: Juha Helenius, Raimo Pelto-Huikko
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Publication number: 20220135368Abstract: 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: ApplicationFiled: October 18, 2021Publication date: May 5, 2022Applicant: Kone CorporationInventors: Juha HELENIUS, Raimo PELTO-HUIKKO
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Patent number: 11261059Abstract: 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: GrantFiled: April 22, 2019Date of Patent: March 1, 2022Assignee: Kone CorporationInventors: Juha Helenius, Raimo Pelto-Huikko
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Patent number: 11247870Abstract: 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: GrantFiled: September 21, 2018Date of Patent: February 15, 2022Assignee: Kone CorporationInventors: Petteri Valjus, Juha Helenius, Raimo Pelto-Huikko, Petri Kere
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Patent number: 11136713Abstract: 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: GrantFiled: October 31, 2018Date of Patent: October 5, 2021Assignee: Krone CorporationInventor: Raimo Pelto-Huikko
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Publication number: 20210300728Abstract: 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: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Applicant: Kone CorporationInventors: Juha HELENIUS, Raimo PELTO-HUIKKO, Aleksi NAREIKKO, Mika JUNTUNEN
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Patent number: 11078439Abstract: 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: GrantFiled: April 16, 2020Date of Patent: August 3, 2021Assignee: KONE CORPORATIONInventors: Raimo Pelto-Huikko, Anssi Laukkanen, Kenneth Holmberg, Timo Hakala
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Patent number: 11034552Abstract: 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: GrantFiled: February 28, 2020Date of Patent: June 15, 2021Assignee: Kone CorporationInventors: Tarvo Viita-Aho, Jorma Mustalahti, Raimo Pelto-Huikko, Janne Laine
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Publication number: 20210009382Abstract: 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: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Applicant: KONE CORPORATIONInventors: Raimo PELTO-HUIKKO, Petteri VALJUS, Juha HONKANEN, Kim SJÖDAHL
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Patent number: 10843900Abstract: 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: GrantFiled: October 27, 2017Date of Patent: November 24, 2020Assignee: KONE CORPORATIONInventors: Raimo Pelto-Huikko, Petteri Valjus, Juha Honkanen, Kim Sjödahl
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Patent number: 10773925Abstract: 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: GrantFiled: March 23, 2018Date of Patent: September 15, 2020Assignee: Kone CorporationInventor: Raimo Pelto-Huikko
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Publication number: 20200239808Abstract: 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: ApplicationFiled: April 16, 2020Publication date: July 30, 2020Applicant: KONE CORPORATIONInventors: Raimo PELTO-HUIKKO, Anssi LAUKKANEN, Kenneth HOLMBERG, Timo Hakala
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Publication number: 20200198935Abstract: 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: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: Kone CorporationInventors: Tarvo VIITA-AHO, Jorma MUSTALAHTI, Raimo PELTO-HUIKKO, Janne LAINE
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Publication number: 20200071134Abstract: 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: ApplicationFiled: July 1, 2019Publication date: March 5, 2020Applicant: Kone CorporationInventors: Juha HELENIUS, Raimo Pelto-Huikko
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Publication number: 20190375612Abstract: 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: ApplicationFiled: April 22, 2019Publication date: December 12, 2019Applicant: Kone CorporationInventors: Juha HELENIUS, Raimo PELTO-HUIKKO
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Patent number: 10280039Abstract: 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: GrantFiled: October 14, 2014Date of Patent: May 7, 2019Assignee: Kone CorporationInventor: Raimo Pelto-Huikko
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Publication number: 20190062993Abstract: 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: ApplicationFiled: October 31, 2018Publication date: February 28, 2019Applicant: Kone CorporationInventor: Raimo PELTO-HUIKKO