Patent application number | Description | Published |
20090114487 | ELEVATOR ARRANGEMENT - The present invention relates to a method for installing the hoisting roping of an elevator, which elevator comprises at least an elevator car ( | 05-07-2009 |
20090120734 | METHOD FOR INSTALLING THE GUIDE RAILS OF AN ELEVATOR AND SYSTEM FOR INSTALLING THE GUIDE RAILS OF AN ELEVATOR - Method and system for installing the guide rails ( | 05-14-2009 |
20120312640 | ELEVATOR, GUIDE RAIL BRACKET, ARRANGEMENT AND METHOD - Elevator, which includes a guide rail line, which includes a plurality of consecutive guide rails, which are supported on the building with guide rail brackets fixed to the building, which guide rail brackets comprise a frame, a mounting base and structure for pressing the guide rail against the mounting base, which guide rail bracket essentially prevents at its point lateral movement of the guide rail in relation to the fixing point of the guide rail bracket and permits longitudinal movement of the guide rail in relation to the fixing point of the guide rail bracket. The aforementioned mounting base is fixed to the frame of the guide rail bracket movably in the longitudinal direction of the guide rail. | 12-13-2012 |
20130056310 | GUIDE RAIL OF AN ELEVATOR, AND AN ELEVATOR - Guide rail of an elevator, for guiding an elevator car and/or the counterweight of an elevator, which guide rail comprises an elongated metal profile piece that continues essentially the same in its cross-sectional shape, which metal profile piece comprises a continuous inside space for at least essentially the whole length of the guide rail. | 03-07-2013 |
20130111723 | METHOD FOR INSTALLING THE HOISTING ROPING OF AN ELEVATOR - Method for installing the hoisting roping of an elevator, wherein the first elevator unit to be moved is disposed at a suitable point in the elevator hoistway, and the second elevator unit to be moved is disposed at a suitable point in the elevator hoistway, which first elevator unit is an elevator car and which second elevator unit is a counterweight, or vice versa. The first and/or second section of the hoisting roping is connected to its elevator unit via a diverting pulley system such that when the diverting pulley system is still separate from the elevator unit, the section in question of the hoisting roping is arranged to travel under the diverting pulley system of its elevator unit, and the diverting pulley system is lowered, when reeved, downwards into the proximity of its elevator unit, after which the diverting pulley system in question is fixed to its elevator unit. | 05-09-2013 |
20130126278 | SLIDING GUIDE SHOE AND AN ELEVATOR PROVIDED WITH A SLIDING GUIDE SHOE - 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. | 05-23-2013 |
20130220742 | ELEVATOR - 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. | 08-29-2013 |
20130327599 | ELEVATOR - 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. | 12-12-2013 |
20140034425 | ELEVATOR ARRANGEMENT - 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. | 02-06-2014 |
20140291074 | ELEVATOR ARRANGEMENT AND METHOD FOR RE-ADJUSTING THE ELEVATOR ARRANGEMENT - 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. The arrangement also comprises a lobby elevator, the range of movement of the elevator car of which differs from the ranges of movement of the elevator cars of the aforementioned zoned elevators, and the stopping floors of the lobby elevator comprise a plurality of lobby floors, each of which is a stopping floor of one or more zoned elevators belonging to the aforementioned zoned elevator plurality. A method is provided for re-adjusting the elevator arrangement, wherein the range of movement of the elevator car of the zoned elevator in question is changed to reach to a different height in the elevator hoistway by changing the vertical location in relation to the building of the top limit and/or the bottom limit of the range of movement of the elevator car of the zoned elevator in question. | 10-02-2014 |
20140326545 | ARRANGEMENT FOR FIXING THE COMPENSATING WEIGHT GUIDE RAILS OF AN ELEVATOR, AND GUIDE RAIL BRACKET USED IN THE ARRANGEMENT - The object of the invention is an arrangement and a guide rail bracket for fixing the compensating weight guide rails of an elevator. | 11-06-2014 |
Patent application number | Description | Published |
20100052582 | METHOD AND ARRANGEMENT FOR DETERMINING ROTATION SPEED OF A MOTOR - A method and an arrangement for determining the rotation speed of a motor fed by an inverter, the arrangement comprising means for determining the rotation speed of the motor in at least two alternative manners, whereby the means for determining the rotation speed of the motor comprise one of the at least two alternative manners of performance: means for measuring the frequency of the voltage fed to the motor by the inverter; and means for estimating the rotation speed of the motor on the basis of the measured frequency. | 03-04-2010 |
20110254473 | ARRANGEMENT AND METHOD FOR CONTROLLING FREQUENCY CONVERTER MODULES - An arrangement for controlling frequency converter modules of an electric drive. In the arrangement, the frequency converter modules are arranged to control alternatively a first motor or several motors having less power than the first motor. | 10-20-2011 |
20110254493 | METHOD AND ARRANGEMENT IN CONNECTION WITH ELECTRIC DEVICE SYSTEM - A method and arrangement in connection with an electric drive system are provided. The electric drive system includes an intermediate circuit with two or more supply units and two or more inverter units connected thereto, and an electric machine having two or more three-phase windings galvanically separated from each other. Two or more inverter units are connected to the three-phase windings. The arrangement also includes first main circuit switches to galvanically separate each supply unit from a supply, second main circuit switches to galvanically separate each supply unit from the intermediate circuit, first intermediate circuit switches to galvanically separate each inverter unit from the intermediate circuit, and second intermediate circuit switches to galvanically separate each inverter unit from the electric machine. | 10-20-2011 |
20110276279 | FAULT DIAGNOSTICS ARRANGEMENT FOR ELECTRIC DRIVE SYSTEM, AND ELECTRIC DRIVE SYSTEM - An exemplary electric drive system has a plural number of electric drive subsystems. Each subsystem having a fault diagnostics arrangement, where the arrangement includes a respective control board for each subsystem. Event data of each subsystem is recorded on the respective control board, and one of the respective control boards of the electric drive system is a main control board of the electric drive system. Event data of a subsystem is transferred from the respective control board to the main control board through a data transfer medium. | 11-10-2011 |
20120099347 | FREQUENCY CONVERTER ASSEMBLY - A frequency converter assembly including an input for supplying electric power having an input frequency into the frequency converter assembly from a supply network, a direct voltage intermediate circuit having capacitor component, and at least one controllable switch. The switch being electrically positioned between the input and the direct voltage intermediate circuit. The assembly also includes an output for supplying electric power having an output frequency from the frequency converter assembly, and control component arranged to control the at least one controllable switch. The control component provides a recovery function to recover the capacitor component by supplying restricted recovery current from the supply network to the capacitor component through the at least one controllable switch, the control means also prevents supply of electric power from the direct voltage intermediate circuit towards the output during the recovery function. | 04-26-2012 |