Patents by Inventor Esko Aulanko

Esko Aulanko 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: 7484596
    Abstract: An elevator without counterweight, in which elevator the elevator car is guided by guide rails and suspended by means of diverting pulleys on hoisting ropes so that the elevator has rope portions of the hoisting ropes going upwards and downwards from the elevator car and a number of diverting pulleys in the upper and lower parts of the elevator shaft. The elevator has a drive machine placed in the elevator shaft and provided with a traction sheave. The elevator has a compensating device acting on the hoisting ropes for equalizing and/or compensating the rope tension and/or rope elongation.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: February 3, 2009
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti
  • Patent number: 7481299
    Abstract: An elevator, which preferably is an elevator without counterweight and in which an elevator car is suspended by means of a set of hoisting ropes comprising one rope or a number of parallel ropes. The elevator has a traction sheave that moves the elevator car by means of the hoisting ropes. The elevator comprises rope portions of hoisting ropes going upwards and downwards from the elevator car, and the elevator has a compensating device acting on the hoisting ropes to equalize and/or compensate rope tension and/or rope elongation. The compensating device acting on the hoisting ropes of the elevator comprises at least one slack rope prevention means for preventing uncontrolled slackening of the hoisting ropes and/or uncontrolled motion of the compensating device.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: January 27, 2009
    Assignee: Kone Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7481300
    Abstract: An elevator roping arrangement includes: hoisting ropes; diverting pulleys; and a fixing and support arrangement. First and fourth diverting pulleys are disposed on the elevator car, while second and third diverting pulleys are disposed in an upper part of an elevator shaft. The hoisting ropes pass from a traction sheave to the diverting pulleys. The fixing and support arrangement is disposed at a top end of elevator car guide rails and includes two support beams. Each support beam is fixed at a first end to a wall of the shaft, extends from the first end to a second end away from the wall, and is fixed to a guide rail between the ends. A vertical plane is defined between the guide rails. At least one of the diverting pulleys is on an opposite side of the plane from the wall, and is disposed at a distance from the plane.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: January 27, 2009
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti
  • Patent number: 7472534
    Abstract: A method for ensuring tightness of two or more hoisting ropes in an elevator may include: installing the two or more hoisting ropes in the elevator; running the elevator to verify proper operation of the elevator; and tightening the two or more hoisting ropes after running the elevator to verify proper operation. An elevator may include two or more hoisting ropes. The tightness of the two or more hoisting ropes may be ensured by the method discussed above.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: January 6, 2009
    Assignee: Kone Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Publication number: 20080314691
    Abstract: In the elevator of the invention, the hoisting rope is roped to meet the traction sheave in two different rope grooves, which have differ from each other in respect of their holding properties. In the traction sheave of the invention, at least two adjacent rope grooves have cross-sectional shapes differing from each other.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7461721
    Abstract: An elevator hoisting rope set (3) suspends a counterweight (2) and an elevator car (1). The elevator has one or more rope pulleys provided with rope grooves, one of said rope pulleys being a traction sheave (7) that moves the hoisting ropes (3). At least the traction sheave (7) has against the hoisting rope (3) a coating adhesively attached to it and increasing the coefficient of friction. At least the traction sheave (7) and the hoisting ropes (3) together form a material pair in which the hoisting ropes (3) bite into the traction sheave (7), maintaining a grip sufficient for the operation of the elevator even in an exceptional situation where the coating (102) increasing the coefficient of friction on the surface of the traction sheave (7) is lost.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: December 9, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti
  • Publication number: 20080296125
    Abstract: A handrail drive apparatus is provided comprising a first drive wheel assembly configured to drive a handrail and comprising a planetary gear train arranged to be driven by a first driving member. The handrail drive apparatus further comprises a second drive wheel assembly configured to drive the handrail, the second drive wheel assembly being coupled to the planetary gear train of the first handrail drive wheel assembly by a second driving member. The planetary gear train of the first handrail drive wheel assembly is configured to divide a torque imparted by the first driving member between the first and second drive wheel assemblies.
    Type: Application
    Filed: September 21, 2007
    Publication date: December 4, 2008
    Applicant: KONE CORPORATION
    Inventors: Thomas Nurnberg, Esko Aulanko, Glen Collison, Randall Keemle
  • Publication number: 20080283341
    Abstract: The invention relates to an elevator system and a method for reducing total power in an elevator system. According to the invention, the elevator system comprises at least one elevator without counterweight for moving people and/or goods, which elevator without counterweight comprises a power converter unit, an elevator motor, a traction sheave, a set of hoisting ropes and an elevator car, and which elevator system comprises means for storing mechanical energy and discharging an energy storage.
    Type: Application
    Filed: June 30, 2008
    Publication date: November 20, 2008
    Applicant: KONE CORPORATION
    Inventors: Esko AULANKO, Timo Syrman, Sakari Korvenranta, Pekka Jahkonen
  • Patent number: 7448474
    Abstract: Method for making an elevator, wherein the roping is selected according to the weight of the elevator car using the same drive machine, traction sheave and rope sheave regardless of the roping. For heavy elevators, Single Wrap roping is used, wherein the hoisting ropes are passed around the traction sheave and the rope sheave guides the ropes and dampens their vibrations, while for light elevators Double Wrap roping is used.
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: November 11, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti, Petteri Valjus
  • Publication number: 20080264729
    Abstract: The invention relates to an elevator and an elevator brake, which elevator contains at least a hoisting machine (5) equipped with a traction sheave (6), a brake (10) affecting the rotational movement of the traction sheave and provided with at least one brake shoe (12) and a braking surface (11a), and hoisting ropes (3), which are fitted to move by means of the traction sheave (6) an elevator car (1) that moves along guide rails (4). In an emergency braking situation when the elevator car (1) is moving in the upward direction, the brake shoe (12) of the brake (10) is arranged to move in the direction of rotation of the braking surface (11a).
    Type: Application
    Filed: June 2, 2008
    Publication date: October 30, 2008
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7441644
    Abstract: An apparatus for transporting passengers in a transport direction such as, for example, a travelator, moving ramp, or escalator, is provided. The apparatus includes a conveyor mounted on a first frame adapted to be supported on a fixed structure. The first frame includes two elongated first frame parts which include guide tracks for guiding the conveyor. The first frame parts may be profiled metallic bodies of solid material joined together end to end one after the other. The profiled metallic bodies include one or more extruded profiles. A handrail is provided and includes a handrail frame and an endless handrail belt mounted on the handrail frame. The endless handrail belt is arranged as a loop having an upper handhold portion that a passenger can grip with a hand for support and a lower return portion disposed inside the first frame. A number of suspenders are fastened to the first frame at a distance from each other to support the return portion of the handrail belt inside the profiled metallic bodies.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: October 28, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti, Marc Ossendorf
  • Patent number: 7438174
    Abstract: A people mover includes a conveyor and a protective skirting made from an extruded metal profile. The protective skirting is located adjacent to a side of the conveyor, with a narrow gap located between the protective skirting and the side to prevent objects from entering the gap when the conveyor is moving.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: October 21, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti, Marc Ossendorf
  • Patent number: 7424944
    Abstract: A conveyor for use in a travelator for transporting passengers in a transport direction. The conveyor comprises a frame; a plurality of shafts mounted on the frame substantially transversely to the transport direction, each of the plurality of shafts being substantially parallel to one another and spaced apart from one another. A belt pulley pack is mounted on each of the shafts, each belt pulley pack comprising a plurality of belt pulleys mounted adjacent to one another. Each belt pulley comprises a mold-cast object comprising: a first side having a first aligning and coupling element formed therein; a second side opposite to the first side, the second side having a second aligning and coupling element fitted to match the first aligning and coupling element, so that the first and second aligning and coupling elements of adjacent belt pulleys align and couple the adjacent belt pulleys together in a shape-locking manner.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: September 16, 2008
    Assignee: Kone Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7413068
    Abstract: A first handrail (2) of the travelator, moving ramp or escalator comprises an endless moving first handrail belt (3) formed as a loop and having a first handhold portion (4) that the passenger can grasp with a hand for support. The first handhold portion (4) has a posterior end (5) posterior in the conveying direction. To support and guide the handrail belt (3), the handrail (2) comprises a first handrail frame (6) having a first side (7). A second handrail (8) is placed after the first handrail in the conveying direction and alongside the conveyor on the same side with the first handrail and extending in a direction parallel to the first handrail (2). The second handrail (8) comprises a second moving endless handrail belt (9) formed as a loop and having an upper second handhold portion (10) that the passenger can grasp with a hand for support. The second handhold portion (10) has an anterior end (11) anterior in the conveying direction.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: August 19, 2008
    Assignee: Kone Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7410043
    Abstract: An arrangement for coupling a pallet in a conveying device includes a pallet having wheels and forming a part of a transport track of the conveying device, and a drive element. A coupling piece is adapted to be connected to the pallet and a fastening parties connects the drive element to the coupling piece.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: August 12, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti, Marc Ossendorf
  • Publication number: 20080185263
    Abstract: Travelator, the conveyor of which comprises a frame, which comprises a stationary first frame part and a second frame part that moves in relation to it. The drive wheel is mounted on a bearing allowing rotation onto the first frame part. The power unit rotates the drive wheel. The diverting wheel is mounted on a bearing allowing free rotation onto the second frame part. The transport surfaces are connected to a traction element which is formed as an endless loop, and which is led to pass over the drive wheel and the diverting wheel. The tightening device is arranged to act between the first frame part and the second frame part to move the diverting wheel linearly away from the drive wheel in order to exert tightening force on the traction element. The travelator comprises identification means for identifying the drive status of the conveyor, and adjustment means for adjusting the tightening force of the tightening device to different force levels based on the drive status identified.
    Type: Application
    Filed: March 7, 2008
    Publication date: August 7, 2008
    Applicant: KONE CORPORATION
    Inventors: Esko Aulanko, Jorma Mustalahti, Marc Ossendorf
  • Patent number: 7407049
    Abstract: A pallet arrangement for a people mover includes a plurality of pallets arranged one after the other to form a track. Each pallet comprises a pallet body, at least one surfacing element attached to the pallet body and a fastening mechanism to attach the at least one surfacing element to the pallet body. The fastening mechanism comprises at least one coupling element included in each surfacing element of the pallet, a form-locking groove included in the pallet body of the pallet and a locking element performing a locking operation with a locking movement and a releasing operation with a releasing movement. The locking element acts on all the coupling elements in the form-locking groove of the pallet body substantially simultaneously during the locking movement and the releasing movement.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: August 5, 2008
    Assignee: Kone Corporation
    Inventors: Esko Aulanko, Jorma Mustalahti, Marc Ossendorf
  • Publication number: 20080156615
    Abstract: Travelator, which comprises a frame (2) installed on top of a fixed base (1), such as the floor or other support, a conveyor (3), which is supported on the frame (1), an electrical power unit (4) for driving the conveyor, an entry ramp and/or departure ramp (5, 6) or similar, which forms a walking surface and which is arranged on top of a fixed base, such as the floor or other support, in the conveying direction of the conveyor before the conveyor and/or likewise after the conveyor, and electrical devices (7, 8, 9). The entry ramp and/or departure ramp (5, 6) or similar comprises a frame casing (10), in which is a hollow interior space (11), into which the electrical devices (7, 8, 9) of the travelator are placed.
    Type: Application
    Filed: February 15, 2008
    Publication date: July 3, 2008
    Applicant: KONE CORPORATION
    Inventors: Esko AULANKO, Jorma Mustalahti, Marc Ossendorf
  • Patent number: 7370748
    Abstract: A pallet arrangement for a travelator comprises a pallet body comprising a profiled bar having a predetermined size, at least one surface plate attached to the pallet body and forming a wearing surface, a wheel mounted on at least one end of the pallet body, and a fastening element mounted on at least one end of the pallet body. The fastening element is adapted to couple the pallet to an actuating device.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: May 13, 2008
    Assignee: Kone Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko
  • Patent number: 7367441
    Abstract: A travelator conveyor is arranged such that an upper surface of a comb plate is at substantially the same level as a conveying surface. The conveyor includes a plurality of belt drums arranged parallel to one another transversely to a transport direction of the conveyor and a plurality of mutually parallel endless belt loops passing over the plurality of belt drums to define a moving conveying surface. The conveyor comb plate has a plurality of parallel spaced teeth between which some of the plurality of belt loops are arranged to pass. An upper surface of a first belt drum arranged at the end of the conveyor is at a lower level than an upper surface of a second belt drum such that upper portions of the belt loops passing between the comb plate teeth extend at an inclined angle with respect to the conveying surface.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: May 6, 2008
    Assignee: KONE Corporation
    Inventors: Jorma Mustalahti, Esko Aulanko