Patent application number | Description | Published |
20090288920 | UNINTENDED MOVEMENT GOVERNOR - The invention relates to an electronic unintended movement governor, which comprises an input for car position data, means for determining the speed of the elevator car, a plurality of limit values for permitted movement of the elevator car, such as the limit value of the maximum permitted speed of the elevator car, and which unintended movement governor also comprises overspeed monitoring for controlling at least one stopping appliance of the elevator car when the speed of the elevator car exceeds the limit value of the maximum permitted speed. The unintended movement governor comprises at least two separate controls for controlling a stopping appliance of the elevator car. Additionally, the invention relates to a method for controlling the aforementioned electronic unintended movement governor. | 11-26-2009 |
20100219023 | ELEVATOR - The invention relates to an elevator provided with a safety gear arrangement, the elevator including at least an elevator car arranged to travel back and forth substantially vertically along guide rails, at least two safety gear mechanisms disposed in conjunction with the elevator car and at least one speed limiter, which includes at least a speed limiter pulley, a diverting pulley and a speed limiter rope fitted as a loop around at least the speed limiter pulley and the diverting pulley, the speed limiter rope being connected at least to a first safety gear mechanism. A second safety gear mechanism has been arranged to be triggered after the triggering of the first safety gear mechanism. | 09-02-2010 |
20110000746 | ROPE FOR A HOISTING DEVICE, ELEVATOR AND USE - 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, said composite material comprising 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. | 01-06-2011 |
20110266097 | ELEVATOR - Elevator, preferably a passenger elevator, which comprises an elevator car, and at least one hoisting rope for moving and supporting the elevator car, a traction sheave that acts on the hoisting rope, and a power source for rotating the traction sheave. The counterweight of the elevator comprises a brake for decelerating and/or preventing at least upward movement of the counterweight. | 11-03-2011 |
20110308892 | DIVERTING PULLEY ARRANGEMENT AND ELEVATOR - Diverting pulley arrangement, more particularly a diverting pulley arrangement of an elevator, which includes an axle, at least one diverting pulley that rotates while supported on the axle, a faceplate structure, in relation to which and supported by which the diverting pulley is arranged to rotate on the first side of the faceplate structure, which axle is locked so that it does not rotate in relation to the faceplate structure by the aid of a locking element, which locking element is on the second side of the faceplate structure and supported so that it does not move in relation to the faceplate structure. The locking element is placed against the locking surface included in the axle so that the contact point of the locking element and the locking surface of the axle is at least partly visible. | 12-22-2011 |
20120267200 | METHOD FOR MONITORING THE MOVEMENT OF AN ELEVATOR CAR, AND AN ELEVATOR SYSTEM - The invention relates to an elevator system and also to a method for monitoring the movement an elevator car. In the method a first emergency braking procedure is activated for braking the elevator car at a first deceleration if the speed of the elevator car exceeds the first limit value for permitted speed, and also a second emergency braking procedure is further activated for braking the elevator car at a second deceleration that is greater than the first, if the speed of the elevator car exceeds the second limit value for permitted speed that is greater than the first limit value for permitted speed. | 10-25-2012 |
20120325590 | ELEVATOR - Elevator, which comprises at least an elevator car and means for moving the elevator car, preferably along guide rails, and an overspeed governor arrangement, which comprises an overspeed governor rope, which moves according to the movement of the elevator car, and which overspeed governor rope is connected to a brake arrangement that is in connection with the elevator car such that with the overspeed governor rope force can be transmitted to the brake arrangement for shifting the brake comprised in the brake arrangement into a braking position. The rope comprises a power transmission part or a plurality of power transmission parts, for transmitting force in the longitudinal direction of the rope, which power transmission part is essentially fully of non-metallic material. | 12-27-2012 |
20140182976 | ELEVATOR - An elevator includes an elevator car and a counterweight; a first roping between the elevator car and counterweight and including at least one rope; a second roping between the elevator car and counterweight and including at least one rope; and a rope wheel arrangement, having at least one rope wheel, around which the at least one rope of the second roping passes. The longitudinal force transmission capability of the at least one rope of the second roping is based essentially on non-metallic fibers and is a belt-like rope having at least one contoured side provided with guide rib(s) and/or guide groove(s) oriented in the longitudinal direction of the rope, the side being fitted to pass against a contoured circumference of a rope wheel of the rope wheel arrangement, the circumference being provided with guide rib(s) and/or guide groove(s) so as to form a counterpart for the contoured side of the rope. | 07-03-2014 |
20140305744 | ROPE OF A LIFTING DEVICE, A ROPE ARRANGEMENT, AN ELEVATOR AND A CONDITION MONITORING METHOD FOR THE ROPE OF A LIFTING DEVICE - In a rope of a lifting device, particularly of a passenger transport elevator and/or freight transport elevator, the width of which rope is greater than the thickness in the transverse direction of the rope, which rope includes a load-bearing part in the longitudinal direction of the rope, which load-bearing part includes carbon-fiber reinforced, aramid-fiber reinforced and/or glass-fiber reinforced composite material in a polymer matrix, and which rope includes one or more optical fibers and/or fiber bundles in connection with the load-bearing part and the optical fiber and/or fiber bundle is laminated inside the load-bearing part and/or the optical fiber and/or fiber bundle is glued onto the surface of the load-bearing part and/or and that the optical fiber and/or fiber bundle is embedded or glued into the polymer envelope surrounding the load-bearing part, as well as to a condition monitoring method for the rope of a lifting device. | 10-16-2014 |
20140318902 | METHOD FOR MANUFACTURING A ROPE, A ROPE AND AN ELEVATOR - A method for manufacturing a rope includes providing at least one pre-manufactured elongated load bearing member for the rope and at least one pre-manufactured elongated surface part for the rope, guiding together said at least one pre-manufactured elongated load bearing member and said at least one pre-manufactured elongated surface part such that their sides lean against each other, and fixing said at least one pre-manufactured elongated load bearing member and said at least one pre-manufactured elongated surface part to each other. A rope obtained with the method, and an elevator including the rope obtained with the method are also disclosed. | 10-30-2014 |
20140332322 | ELEVATOR SYSTEM INCLUDING MONITORING ARRANGEMENT TO ACTIVATE EMERGENCY BRAKING PROCEDURE BASED ON DECELERATION AND METHOD OF OPERATING THE SAME - The invention relates to an elevator system and also to a method for monitoring the movement an elevator car. In the method a first emergency braking procedure is activated for braking the elevator car at a first deceleration if the speed of the elevator car exceeds the first limit value for permitted speed, and also a second emergency braking procedure is further activated for braking the elevator car at a second deceleration that is greater than the first, if the speed of the elevator car exceeds the second limit value for permitted speed that is greater than the first limit value for permitted speed. | 11-13-2014 |
20150053506 | ELEVATOR - An elevator includes an elevator car; a counterweight; a drive wheel mounted stationary, and having a rotational axis; first diverting wheel(s), mounted on the elevator car, and having a rotational axis parallel with the rotational axis of the drive wheel; a second and a third diverting wheel mounted on the counterweight radially side by side, each having a rotational axis, which is at an angle of 60 to 90 degrees relative to the rotational axis of the drive wheel; a roping suspending the elevator car and counterweight and including a first belt-like rope and a second belt-like rope, each having a first end and a second end fixed to a stationary rope fixing, and each comprising one or more load bearing members made of fiber-reinforced composite material; wherein the first rope and the second rope are arranged to pass side by side from the fixing of the first end downwards to the elevator car; and to turn side by side under said first diverting wheel(s); and to pass upwards to the drive wheel; and to turn side by side over the drive wheel; and to pass downwards to the counterweight, each rope turning around its longitudinal axis an angle of 60 to 90 degrees, and into the gap between the rims of the second and third diverting wheel, the first rope passing to the second diverting wheel and the second rope passing to the third diverting wheel, the first rope passing under the second diverting wheel and the second rope passing under the third diverting wheel, the diverting wheels rotating in opposite directions guiding the ropes arriving to them from the drive wheel to turn away from each other; and to pass upwards to the fixing of the second end. | 02-26-2015 |