Patents by Inventor Timo Syrman
Timo Syrman 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: 8869945Abstract: The invention relates to a safety arrangement of an elevator system and to a method for ensuring safety in an elevator system. The safety arrangement comprises at least one mechanical stopping appliance and the control of the safety arrangement comprises at least one limit value that sets the speed, deceleration or permitted vertical distance from the door zone of the elevator car. In the method for ensuring safety in an elevator system at least one mechanical stopping appliance is fitted to the safety arrangement of the elevator system and at least one limit value that sets the speed, deceleration or permitted vertical distance from the door zone of the elevator car is set for the control of the safety arrangement.Type: GrantFiled: February 17, 2009Date of Patent: October 28, 2014Assignee: Kone CorporationInventors: Ari Härkönen, Sakari Korvenranta, Ari Kattainen, Timo Syrman, Hannu Ahrnberg, Risto Jokinen
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Patent number: 8373345Abstract: The invention relates to a control (7) of the lighting of an elevator car (3) as well as to a method for controlling the lighting of an elevator car. The lighting of an elevator car according to the invention is controlled at least partly on the basis of information about a change in the speed of the elevator car.Type: GrantFiled: November 6, 2009Date of Patent: February 12, 2013Assignee: Kone CorporationInventors: Tatu Mattila, Timo Syrman, Seppo Ketoviita
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Patent number: 8207700Abstract: The invention relates to a switch arrangement of an electric motor drive (1). The electric motor drive comprises safety switches (3) determined by the safety of the drive, a controlled mechanical brake (4), a power supply circuit (5) of the brake control, a power converter (6), which power converter comprises a network rectifier (7) and a power rectifier (8) of the motor. The power rectifier of the motor is at least partly implemented with controlled semiconductor switches (9, 10) arranged into a bridge. The power converter comprises an intermediate circuit (11, 12) between the network rectifier and the power rectifier of the motor. The switch arrangement comprises normally-open switches (13, 14) in the intermediate circuit of the power converter (6).Type: GrantFiled: January 25, 2010Date of Patent: June 26, 2012Assignee: Kone CorporationInventors: Timo Syrman, Ari Kattainen
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Patent number: 7980363Abstract: An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying the operating state of the mechanical safety device. An electric safety controller comprises means for measuring the total resistance of a series circuit. The method includes reading the number of landing doors open by means of detectors fitted in conjunction with the landing doors, reading the number of elevator car doors open by means of detectors fitted in conjunction with the elevator car doors, and reading the position of a mechanical safety device by means of detectors fitted in conjunction with the mechanical safety device. If it is established that number of landing doors open is greater than the number of elevator car doors open, then setting the safety system into a ‘person in shaft’ state and preventing operation of the elevator.Type: GrantFiled: January 25, 2011Date of Patent: July 19, 2011Assignee: Kone CorporationInventors: Ari Kattainen, Kimmo Heikkilä, Timo Syrman
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Publication number: 20110114422Abstract: An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying the operating state of the mechanical safety device. An electric safety controller comprises means for measuring the total resistance of a series circuit. The method includes reading the number of landing doors open by means of detectors fitted in conjunction with the landing doors, reading the number of elevator car doors open by means of detectors fitted in conjunction with the elevator car doors, and reading the position of a mechanical safety device by means of detectors fitted in conjunction with the mechanical safety device. If it is established that number of landing doors open is greater than the number of elevator car doors open, then setting the safety system into a ‘person in shaft’ state and preventing operation of the elevator.Type: ApplicationFiled: January 25, 2011Publication date: May 19, 2011Inventors: Ari Kattainen, Kimmo Heikkila, Timo Syrman
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Patent number: 7896138Abstract: The invention concerns an arrangement and a method for controlling the power supply of the load of an elevator system. The arrangement has at least a monitoring unit and at least one controllable power source. The controllable power source is connected between the load of an elevator system and the monitoring unit such that the power supply of the load of the elevator system can be controlled by means of a control signal transmitted to the controllable power source by the monitoring unit. The monitoring unit according to the invention contains at least one input for determining the status of at least one safety switch of the elevator system. On the basis of the status of the safety switch a control signal either having pulses or being in a static state is sent with the monitoring unit to at least one controllable power source.Type: GrantFiled: October 28, 2008Date of Patent: March 1, 2011Assignee: Kone CorporationInventors: Timo Syrman, Ari Kattainen
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Patent number: 7896139Abstract: A guide-rail brake (1) of an elevator and a method for controlling the brake are provided. The brake comprises a frame part fixed to the elevator car, a prong part, which contains turning jaws (3,4) that correspond to the guide rail (2) via the braking surfaces when braking, a spring (10) loading the prong part to press the braking surfaces to the guide rail, and a controllable mover, which is an electromagnet (15), which contains two pulling core pieces (17,18). The force effect of the electromagnet (15) on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts (19,20) of the pulling core pieces (17, 18) of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil (16) of the electromagnet (15) of the guide-rail brake to speed up operation of the guide-rail brake.Type: GrantFiled: July 16, 2008Date of Patent: March 1, 2011Assignee: Kone CorporationInventors: Timo Syrman, Tomi Torttila
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Patent number: 7891467Abstract: An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying the operating state of the mechanical safety device. According to the method of the invention, detectors in the electric safety system are read by an electric safety controller and, when a functional deviation is detected, one or more stopping devices are actuated to bring the elevator system into a safe operating state.Type: GrantFiled: July 2, 2009Date of Patent: February 22, 2011Assignee: Kone CorporationInventors: Ari Kattainen, Kimmo Heikkilä, Timo Syrman
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Publication number: 20100219022Abstract: The invention relates to a switch arrangement of an electric motor drive (1). The electric motor drive comprises safety switches (3) determined by the safety of the drive, a controlled mechanical brake (4), a power supply circuit (5) of the brake control, a power converter (6), which power converter comprises a network rectifier (7) and a power rectifier (8) of the motor. The power rectifier of the motor is at least partly implemented with controlled semiconductor switches (9, 10) arranged into a bridge. The power converter comprises an intermediate circuit (11, 12) between the network rectifier and the power rectifier of the motor. The switch arrangement comprises normally-open switches (13, 14) in the intermediate circuit of the power converter (6).Type: ApplicationFiled: January 25, 2010Publication date: September 2, 2010Inventors: Timo Syrman, Ari Kattainen
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Patent number: 7781997Abstract: The invention relates to a method and an arrangement for braking a synchronous motor (4) used with a frequency converter (2). The braking current of the motor (4) is controlled by connecting only the negative changeover contacts (10) of the inverter (16) of the frequency converter (2) or alternatively by connecting only the positive changeover contacts (17) of the inverter (16) of the frequency converter. The arrangement comprises a control (3), which is arranged to control in a braking situation only the negative changeover contacts (10) of the frequency converter (2) or alternatively only the positive changeover contacts (17) of the frequency converter (2).Type: GrantFiled: March 4, 2009Date of Patent: August 24, 2010Assignee: Kone CorporationInventors: Antti Kallioniemi, Timo Syrman
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Patent number: 7740110Abstract: A control circuit for controlling an electromechanical elevator brake is disclosed. The control circuit includes at least one brake coil (L1), a direct-voltage source (BR1), a semiconductor switch arrangement, a current measuring unit, at least two semiconductor switches, and a control unit (CO1) for controlling operation of the circuit. The current measuring unit (Lm1) produces current data that is passed to the control unit (CO1). The at least two semiconductor switches (SW1, SW2) are controlled by the control unit (CO1) such that operation is alternated between the two so that the working condition of each switch can be checked in its turn on the basis of feedback data obtained from the current measuring unit.Type: GrantFiled: November 10, 2004Date of Patent: June 22, 2010Assignee: Kone CorporationInventors: Ari Kattainen, Timo Syrman
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Patent number: 7681694Abstract: An elevator system and a method for reducing total power in an elevator system are provided. The elevator system includes at least one elevator without counterweight for moving people and/or goods. The elevator without counterweight comprises a power converter unit, an elevator motor, a traction sheave, a set of hoisting ropes and an elevator car. The elevator system also includes means for storing mechanical energy and discharging an energy storage.Type: GrantFiled: June 30, 2008Date of Patent: March 23, 2010Assignee: Kone CorporationInventors: Esko Aulanko, Timo Syrman, Sakari Korvenranta, Pekka Jahkonen
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Publication number: 20100066248Abstract: The invention relates to a control (7) of the lighting of an elevator car (3) as well as to a method for controlling the lighting of an elevator car. The lighting of an elevator car according to the invention is controlled at least partly on the basis of information about a change in the speed of the elevator car.Type: ApplicationFiled: November 6, 2009Publication date: March 18, 2010Applicant: KONE CORPORATIONInventors: Tatu MATTILA, Timo Syrman, Seppo Ketoviita
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Publication number: 20090321192Abstract: The invention relates to an elevator safety arrangement and a method for implementing safety spaces in an elevator shaft. The safety arrangement of the invention comprises a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying the operating state of the mechanical safety device. According to the method of the invention, detectors comprised in the electric safety system are read by an electric safety controller and, when a functional deviation is detected, one or more stopping devices are actuated to bring the elevator system into a safe operating state.Type: ApplicationFiled: July 2, 2009Publication date: December 31, 2009Applicant: KONE CORPORATIONInventors: Ari Kattainen, Kimmo Heikkilã, Timo Syrman
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Method and system for detecting and stopping uncontrolled movement of an elevator car in an elevator
Patent number: 7617911Abstract: Method and system for detecting and stopping uncontrolled movement of the car (1) in an elevator. In the method movement of the car is detected with the first movement detection means (2, 3, 4, 5, 6) when the brake (8) of the drive machinery (7) is in the braking status with the purpose of holding the car in its position without moving. A first control signal is formed if the car moves in the aforementioned situation. Movement of the car is stopped on the basis of the first control signal with a separate stopping appliance (9) with respect to the brake of the drive machinery. The operating condition of the first movement detection means are tested with the second movement detection means (10, 11, 12) during driving of the car in order to detect a fault situation. A second control signal is formed for the elevator control when a fault situation is detected, in which case the elevator control drives the car to the next stopping floor and prevents the subsequent run of the car.Type: GrantFiled: December 19, 2008Date of Patent: November 17, 2009Assignee: Kone CorporationInventors: Tatu Mattila, Seppo Ketoviita, Timo Syrman -
Publication number: 20090178889Abstract: The invention relates to a safety arrangement of an elevator system and to a method for ensuring safety in an elevator system. The safety arrangement comprises at least one mechanical stopping appliance and the control of the safety arrangement comprises at least one limit value that sets the speed, deceleration or permitted vertical distance from the door zone of the elevator car. In the method for ensuring safety in an elevator system at least one mechanical stopping appliance is fitted to the safety arrangement of the elevator system and at least one limit value that sets the speed, deceleration or permitted vertical distance from the door zone of the elevator car is set for the control of the safety arrangement.Type: ApplicationFiled: February 17, 2009Publication date: July 16, 2009Applicant: KONE CORPORATIONInventors: Ari HARKONEN, Sakari KORVENRANTA, Ari KATTAINEN, Timo SYRMAN, Hannu AHRNBERG, Risto JOKINEN
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Publication number: 20090167218Abstract: The invention relates to a method and an arrangement for braking a synchronous motor (4) used with a frequency converter (2). The braking current of the motor (4) is controlled by connecting only the negative changeover contacts (10) of the inverter (16) of the frequency converter (2) or alternatively by connecting only the positive changeover contacts (17) of the inverter (16) of the frequency converter. The arrangement comprises a control (3), which is arranged to control in a braking situation only the negative changeover contacts (10) of the frequency converter (2) or alternatively only the positive changeover contacts (17) of the frequency converter (2).Type: ApplicationFiled: March 4, 2009Publication date: July 2, 2009Applicant: KONE CORPORATIONInventors: Antti KALLIONIEMI, Timo Syrman
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METHOD AND SYSTEM FOR DETECTING AND STOPPING UNCONTROLLED MOVEMENT OF AN ELEVATOR CAR IN AN ELEVATOR
Publication number: 20090133965Abstract: Method and system for detecting and stopping uncontrolled movement of the car (1) in an elevator. In the method movement of the car is detected with the first movement detection means (2, 3, 4, 5, 6) when the brake (8) of the drive machinery (7) is in the braking status with the purpose of holding the car in its position without moving. A first control signal is formed if the car moves in the aforementioned situation. Movement of the car is stopped on the basis of the first control signal with a separate stopping appliance (9) with respect to the brake of the drive machinery. The operating condition of the first movement detection means are tested with the second movement detection means (10, 11, 12) during driving of the car in order to detect a fault situation. A second control signal is formed for the elevator control when a fault situation is detected, in which case the elevator control drives the car to the next stopping floor and prevents the subsequent run of the car.Type: ApplicationFiled: December 19, 2008Publication date: May 28, 2009Applicant: KONE CORPORATIONInventors: Tatu Mattila, Seppo Ketoviita, Timo Syrman -
Publication number: 20090120725Abstract: The present invention discloses an arrangement and a method for controlling the power supply of the load of an elevator system. The arrangement comprises at least a monitoring unit (40) and at least one controllable power source (41), which controllable power source (41) is fitted between the load (2, 12, 13) of the elevator system and the monitoring unit (40) such that the power supply of the load (2, 12, 13) of the elevator system can be controlled by means of a control signal transmitted to the controllable power source (41) by the monitoring unit (40). The monitoring unit (40) according to the invention contains at least one input for determining the status of at least one safety switch (11) of the elevator system. On the basis of the status of the safety switch a control signal (47) either comprised of pulses or in a static state is sent with the monitoring unit (40) to at least one controllable power source (41).Type: ApplicationFiled: October 28, 2008Publication date: May 14, 2009Applicant: KONE CORPORATIONInventors: Timo Syrman, Ari Kattainen
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Publication number: 20080296097Abstract: Guide-rail brake (1) of an elevator and method for controlling the brake, which brake comprises a frame part fixed to the elevator car, and a prong part, which contains turning jaws (3,4) that correspond to the guide rail (2) via the braking surfaces when braking, a spring (10) loading the prong part to press the braking surfaces to the guide rail, a controllable mover, which is an electromagnet (15), which electromagnet (15) contains two pulling core pieces (17,18), the force effect of which electromagnet (15) on the prong part is opposed to the spring. In the guide-rail brake an air gap (ag) is structurally arranged between the center parts (19,20) of the pulling core pieces (17, 18) of the electromagnet of the guide-rail brake when the brake is fully energized, and a damping circuit is arranged in the coil (16) of the electromagnet (15) of the guide-rail brake to speed up operation of the guide-rail brake.Type: ApplicationFiled: July 16, 2008Publication date: December 4, 2008Applicant: KONE CORPORATIONInventors: Timo SYRMAN, Tomi TORTTILA