Patents by Inventor Matti Räsänen
Matti Räsänen 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: 10029883Abstract: An elevator includes an elevator car and lifting machinery including a traction sheave, an electromechanical machinery brake, and an electric motor having a rotor. The traction sheave, the electromechanical machinery brake and the rotor of the electric motor are connected via a shaft, whereby the lifting machinery moves the elevator car upwards and downwards in a vertically extending elevator shaft controlled by a main control unit.Type: GrantFiled: September 20, 2016Date of Patent: July 24, 2018Assignee: KONE CORPORATIONInventors: Lauri Stolt, Matti Räsänen, Mika Alvesalo
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Patent number: 9957137Abstract: The elevator car includes a floor, a ceiling, and side walls connecting the floor and the ceiling. At least the inner surface of at least some of the side walls of the elevator car may be covered with sheets of board. The board includes a fire retardant plywood having a front surface and an opposite back surface. The front surface of the fire retardant plywood may be coated with a first material layer including a fire retardant laminate. The fire retardant laminate may be attached with heat resistant or fire retardant glue to the fire retardant plywood. The back surface of the fire retardant plywood may be coated with a second material layer having a same thickness and a same material properties as the laminate.Type: GrantFiled: February 28, 2014Date of Patent: May 1, 2018Assignee: Kone CorporationInventors: Kari Soljamo, Matti Räsänen, Mika Alvesalo, Mikael Alanen
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Patent number: 9950901Abstract: An elevator arrangement includes a plurality of elevators in a building, which plurality includes a plurality of zoned elevators moving in an elevator hoistway, which have different ranges of movement of the elevator car in the building to each other, and which zoned elevators each have a top limit and a bottom limit of the range of movement of the elevator car, to above the top limit and to below the bottom limit of which range of movement travel of the elevator car of the zoned elevator in question is prevented. The vertical location, in relation to the building, of the top limit and/or bottom limit of the range of movement of the elevator car of each aforementioned zoned elevator can be changed.Type: GrantFiled: June 17, 2014Date of Patent: April 24, 2018Assignee: KONE CORPORATIONInventors: Osmo Björni, Ari Hänninen, Johannes De Jong, Pentti Alasentie, Matti Räsänen, Timo Mertanen, Santeri Suoranta, Antti Plathin, Antti Kallioniemi
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Patent number: 9890017Abstract: The object of the invention is a method and an apparatus for measuring the load of an elevator car, which elevator comprises at least a hoisting machine plus shaft, said hoisting machine being provided with a motor, and a traction sheave fitted onto the shaft, and also a brake, and in which solution the load of an elevator car is measured by the aid of a measuring means. The load of the elevator car is measured with the measuring means from the shaft of the traction sheave of the hoisting machine.Type: GrantFiled: November 12, 2014Date of Patent: February 13, 2018Assignee: Kone CorporationInventors: Jorma Mustalahti, Matti Räsänen, Esko Aulanko
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Patent number: 9878877Abstract: An elevator includes at least an elevator car arranged to move reciprocally in an elevator hoistway and fitted on guide rails, a plurality of landing doors having landing door locks openable e.g. with a service key, and a safety arrangement arranged to form a safe space, preferably a working space, in the elevator hoistway below the elevator car, access to which safe space is enabled via at least one landing door in the proximity of the base of the elevator hoistway, and/or a safe space, preferably a working space, above the elevator car, to which access is enabled via at least one landing door leading to the roof of the elevator car, and in which elevator the aforementioned safe space has a minimum height. The formation of each safe space is arranged to be implemented as a consequence of the opening occurring, e.g. with a service key, from a floor level of a landing door enabling access into the elevator hoistway.Type: GrantFiled: June 26, 2015Date of Patent: January 30, 2018Assignee: KONE CORPORATIONInventors: Jari Pursiainen, Samuli Mäntynen, Matti Räsänen, Jaakko Kahila, Keijo Vajavaara, Mika Alvesalo, Markku Haapaniemi, Kristian Viinikkala
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Patent number: 9758346Abstract: The object of the invention is a tensioning arrangement for a traction means of an elevator, which arrangement comprises at least an elevator car configured to move up and down in an elevator hoistway and at least one or more compensating weights, which are for their part connected to support the elevator car by the aid of their own support means, such as by the aid of ropes or belts and also of diverting pulleys, and a hoisting machine provided with at least one traction sheave or corresponding, and also at least one traction means (7) such as a belt, rope or chain, which is configured to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weights. The traction means (7) is fixed from at least one of its ends to a fixing means (1) providing an essentially constant tensioning force.Type: GrantFiled: November 27, 2013Date of Patent: September 12, 2017Assignee: KONE CORPORATIONInventors: Esko Aulanko, Matti Räsänen, Janne Mikkonen, Pentti Alasentie
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Patent number: 9731936Abstract: The invention relates to an elevator having a hoistway, an elevator car movable in the hoistway and provided with a car brake, and a first coupling means movably mounted on the car, and a second coupling means mounted separate from the car at proximity of an end of the hoistway, the first and second coupling means being counterparts for each other and provided for being coupled in force-transmitting manner to each other, the car brake being triggerable by movement of the first coupling means. One of the first and second coupling means has coupling points at different vertical levels, and in the other of said first and second coupling means can couple to said one of the first and second coupling means at each of said coupling points. The invention also relates to a method for forming a safety space in the elevator.Type: GrantFiled: October 15, 2013Date of Patent: August 15, 2017Assignee: Kone CorporationInventors: Esko Aulanko, Jaakko Kahila, Matti Räsänen, Mauno Mattila
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Publication number: 20170217733Abstract: A counterweight module, a locking element, a counterweight and a method for assembling a counterweight are disclosed. The counterweight module includes a first part and a second part, between which a straight joint is arranged at right angle in relation to the longitudinal direction of the counterweight module. The counterweight locking element can be used to secure the counterweight modules into a counterweight frame. In the method, the counterweight is filled with balancing modules starting from the bottom of the frame.Type: ApplicationFiled: January 27, 2017Publication date: August 3, 2017Applicant: KONE CorporationInventors: Janne Mikkonen, Matti Räsänen, Esko Aulanko, Jorma Mustalahti, Veijo Manninen, Jari Heikkinen, Jarmo Kela, Sakari Korvenranta, Håkan Bärneman
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Patent number: 9643817Abstract: The object of the invention is an elevator arrangement, which comprises at least an elevator car configured to move up and down in an elevator hoistway and at least two compensating weights, which are for their part connected to support the elevator car by the aid of their own support means, such as by the aid of ropes or belts and also e.g. diverting pulleys, and a hoisting machine provided with at least one traction sheave or corresponding, and at least one traction means such as a rope or belt, which is configured to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weights. Each compensating weight is connected by the aid of a traction means to the same hoisting machine.Type: GrantFiled: October 15, 2013Date of Patent: May 9, 2017Assignee: KONE CORPORATIONInventors: Matti Räsänen, Pentti Alasentie, Markku Haapaniemi, Osmo Björni, Markku Häivälä, Aki Metsänen
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Publication number: 20170101289Abstract: An elevator includes an elevator car and lifting machinery including a traction sheave, an electromechanical machinery brake, and an electric motor having a rotor. The traction sheave, the electromechanical machinery brake and the rotor of the electric motor are connected via a shaft, whereby the lifting machinery moves the elevator car upwards and downwards in a vertically extending elevator shaft controlled by a main control unit.Type: ApplicationFiled: September 20, 2016Publication date: April 13, 2017Applicant: KONE CorporationInventors: Lauri STOLT, Matti RÄSÄNEN, Mika ALVESALO
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Patent number: 9546076Abstract: A suspension arrangement and guide shoe arrangement of an elevator, which arrangement comprises at least an elevator car and at least two compensating weights, which are for their part connected to support the elevator car by the aid of at least two suspension members, such as by the aid of ropes or belts, and also by the aid of diverting pulleys, and a hoisting machine provided with at least one traction sheave or corresponding, as well as at least two traction members, such as belts, ropes or chains, separate from the suspension members, which traction members are configured to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weights. There are at least four guide rails of the elevator car and they are fitted into an elevator hoistway symmetrically to each other in relation to the elevator car.Type: GrantFiled: February 28, 2014Date of Patent: January 17, 2017Assignee: KONE CorporationInventors: Janne Mikkonen, Martti Juurioksa, Matti Räsänen
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Patent number: 9546075Abstract: A sliding guide shoe includes at least a body part, which includes at least a slide pad space for a slide pad as well as at least one fixing part for fixing the sliding guide shoe to its base. The body part is essentially the same in its cross-sectional profile throughout its whole length. An elevator is also provided with the sliding guide shoe.Type: GrantFiled: January 16, 2013Date of Patent: January 17, 2017Assignee: KONE CORPORATIONInventors: Heidi Sederholm, Matti Räsänen, Osmo Björni, Raimo Pelto-Huikko, Jussi Salminen, Veijo Manninen
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Patent number: 9511978Abstract: An elevator includes an elevator hoistway with an elevator car arranged to move therein. The elevator car includes an interior bounded by at least the elevator care roof. A frame structure includes two parallel, horizontal, elongated roof beams that are at a horizontal distance from each other. Between the roof beams is a trough that has an upward-facing base surface, and a standing platform in connection with the roof of the elevator car that includes a standing surface, immediately above which is a space free of the parts of the elevator car and free of the ropes of the elevator, for enabling standing on top of the standing surface at least when the elevator car is situated at a distance from the top end of the elevator hoistway. The standing surface forms at least a part of the base surface of the trough.Type: GrantFiled: April 8, 2013Date of Patent: December 6, 2016Assignee: KONE CORPORATIONInventors: Juha Mielonen, Matti Räsänen, Nithil Karimpanackal Natarajan, Osmo Björni, Paula Bello, Razvan Albu, Timo Manner, Tuuli Somma
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Patent number: 9457993Abstract: An elevator includes a hoisting machine, hoisting roping, an elevator hoistway, and an elevator car arranged to move in the elevator hoistway, and possibly a counterweight. The elevator car includes an interior, which is bounded by at least a roof of the elevator car, and a frame structure, which includes one or more parallel, horizontal, elongated roof beams in connection with the roof of the elevator car, preferably two parallel, horizontal, elongated roof beams, and which elevator includes one or more luminaires for lighting the interior of the elevator car. The structure of each of the one or more luminaires, preferably at least the light source and/or reflective surface of each of the one or more luminaires, is mainly by the side of the one or more roof beams.Type: GrantFiled: April 13, 2011Date of Patent: October 4, 2016Assignee: KONE CORPORATIONInventors: Tuuli Somma, Andrea Fasoli, Timo Manner, Matti Räsänen, Osmo Björni, Paula Bello, Juha Mielonen, Razvan Albu, Natarajan Nithil Karimpanackal
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Publication number: 20160060077Abstract: An elevator includes a hoistway; an elevator car vertically movable in the hoistway; a balancing weight vertically movable in the hoistway; a first roping including one or more belt-shaped first ropes interconnecting the elevator car and balancing weight, each of said one or more ropes passing around one or more first rope wheels mounted in proximity of the upper end of the hoistway, each of said one or more first ropes including one or more load-bearing members, each of which load-bearing members being made of composite material including reinforcing fibers embedded in a polymer matrix; a second roping including one or more toothed belt-shaped second ropes interconnecting the elevator car and balancing weight, each passing around one or more second rope wheels mounted in proximity of the lower end of the hoistway, each of said one or more second ropes including one or more load-bearing members, each of which load-bearing members being made of composite material including reinforcing fibers embedded in a polyType: ApplicationFiled: July 31, 2015Publication date: March 3, 2016Applicant: KONE CORPORATIONInventors: Markku HAAPANIEMI, Matti RÄSÄNEN, Markku HÄIVÄLÄ, Janne MIKKONEN, Esko AULANKO
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Patent number: 9212029Abstract: The object of the invention is a method for modernizing an elevator, and a traction sheave elevator, which elevator comprises at least an elevator car and a traction sheave that moves the elevator car by means of elevator ropes, the rim of which traction sheave comprises one or more rope grooves. In connection with modernization a traction sheave is installed as the traction sheave of the elevator, the rope grooves of which traction sheave comprise a material, the frictive traction achieved by which is greater than the frictive traction between the parent material of the metallic traction sheave and the elevator ropes.Type: GrantFiled: August 27, 2012Date of Patent: December 15, 2015Assignee: Kone CorporationInventors: Esko Aulanko, Matti Räsänen, Sakari Korvenranta, Raimo Pelto-Huikko
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Publication number: 20150321882Abstract: An elevator includes at least an elevator car arranged to move reciprocally in an elevator hoistway and fitted on guide rails, a plurality of landing doors having landing door locks openable e.g. with a service key, and a safety arrangement arranged to form a safe space, preferably a working space, in the elevator hoistway below the elevator car, access to which safe space is enabled via at least one landing door in the proximity of the base of the elevator hoistway, and/or a safe space, preferably a working space, above the elevator car, to which access is enabled via at least one landing door leading to the roof of the elevator car, and in which elevator the aforementioned safe space has a minimum height. The formation of each safe space is arranged to be implemented as a consequence of the opening occurring, e.g. with a service key, from a floor level of a landing door enabling access into the elevator hoistway.Type: ApplicationFiled: June 26, 2015Publication date: November 12, 2015Applicant: KONE CORPORATIONInventors: Jari Pursiainen, Samuli Mãntynen, Matti Räsänen, Jaakko Kahila, Keijo Vajavaara, Mika Alvesalo, Markku Haapaniemi, Kristian Viinikkala
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Publication number: 20150284215Abstract: Elevator, comprising: a car of the elevator and a counterweight that are to be moved reciprocally; at least one roping or belting traveling via a top pulley assembly for connecting the car of the elevator and the counterweight to each other via the top pulley assembly; at least one roping or belting traveling via a bottom pulley assembly for connecting the car of the elevator and the counterweight to each other via the bottom pulley assembly. At least one roping or belting traveling via the bottom pulley assembly is pretensioned or can be pretensioned.Type: ApplicationFiled: May 13, 2015Publication date: October 8, 2015Applicant: Kone CorporationInventors: Pentti ALASENTIE, Esko AULANKO, Matti RÄSÄNEN
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Publication number: 20150210507Abstract: The tensioning system for the traction belt of an elevator is installed or can be installed in connection with the car and/or the counterweight of the elevator for pretensioning at least one traction belt running between these and comprises means for storing energy. In addition to this, the tensioning system is configured to use the energy stored in the means intended for storing energy for pulling in the traction belt in question for returning tension when the tension of the traction belt falls. The patent application also contains an independent claim for an elevator.Type: ApplicationFiled: April 10, 2015Publication date: July 30, 2015Applicant: KONE CORPORATIONInventors: Matti Räsänen, Janne MIKKONEN, Esko AULANKO, Ilpo SUOMINEN, Pentti ALASENTIE, Markku HAAPANIEMI
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Publication number: 20150197410Abstract: The object of the invention is an elevator arrangement, which comprises at least two elevator cars that are connected to each other with suspension ropes or corresponding and are configured to move simultaneously with each other and reciprocally in an elevator hoistway, and a hoisting machine provided with at least one traction sheave or corresponding. The arrangement comprises at least one compensation means for compensating positioning inaccuracies caused by loading of the elevator cars.Type: ApplicationFiled: March 26, 2015Publication date: July 16, 2015Applicant: Kone CorporationInventors: Esko AULANKO, Matti RÄSÄNEN