Provided is a tower lift including a rail module extending in a vertical direction, a carriage module that is movable in a magnetic levitation manner along the rail module, and a braking device configured to move integrally with the carriage module along the rail module, wherein the braking device includes a first braking body configured to prevent the carriage module from falling through selective contact with the rail module, an elastic member provided above the first braking body and configured to apply an upward elastic force to the first braking body, and an actuator provided below the first braking body and configured to pull the first braking body downward through a rotation shaft connection structure connected to the first braking body.

An elevator system may include a guide rail and a car that is movable along the guide rail in a driving direction. A first guide element may be connected to the car. Furthermore, the guide rail may comprise a first guide section that has a first guide groove. The first guide element may engage positively in the first guide groove, and the first guide element may be guided in the first guide groove as the car moves. The elevator system may also include a second guide element that is connected to the car and is disposed adjacent to the first guide element. The second guide element may also engage positively in the first guide groove and be guided in the first guide groove as the car moves.

The present invention provides a wind turbine comprising a tower, a nacelle, and a descent module configured to accommodate at least one person while descending down at least a portion of a height of the tower, wherein the descent module is arranged to be magnetically attracted to the tower to guide the descent module relative to the tower over at least a portion of the descent. The present invention also provides a descent module for a wind turbine, and a method of lowering at least one person down at least a portion of a height of a tower of a wind turbine.

An electromagnetic guide assembly, an elevator and a control method thereof. The electromagnetic guide assembly includes a first magnetic element for connecting to an elevator car and a second magnetic element for connecting to an elevator liftway; wherein the electromagnetic guide assembly comprises two states. In a first state, the first magnetic element and the second magnetic element abut against each other; and in a second state, the first magnetic element and the second magnetic element are separated from each other, and the first magnetic element and the second magnetic element are capable of generating a relative movement along the longitudinal direction of the elevator liftway.

An electric linear motor for an elevator and a method for controlling the operation thereof are presented. The electric linear motor comprises at least one stator beam and at least one mover, wherein said at least one stator beam comprises at least two stators on opposite sides of the stator beam, and the at least one mover is in electromagnetic engagement with said at least two stators and configured to be moved relative to said stator beam. Said at least one mover comprises at least two units of electromagnetic components arranged on opposite sides of the stator beam to face said at least two stators for controlling the movement and the position of the mover with respect to said stator beam.

Systems and methods for an elevator. The elevator includes an elevator car to move along a first direction. A transmitter for transmitting a signal having a waveform. A receiver for receiving the waveform. A processor having memory is configured to represent the received waveform as a hybrid sinusoidal frequency modulated (FM)-polynomial phase signal (PPS) model. The hybrid sinusoidal FM-PPS model having PPS phase parameters representing a speed of the elevator car along a first direction and a sinusoidal FM phase parameter representing a vibration of the elevator car along a second direction. The processor solves the hybrid sinusoidal FM-PPS model to produce the speed of the elevator car or the vibration of the elevator car or both. A controller controls an operation of the elevator using the speed of the elevator car or the vibration of the elevator car, or both, to assist in an operational management of the elevator.

The invention refers to an electric linear motor comprising at least one linear stator designed to be located in a fixed correlation to an environment, particularly building, and at least one mover designed for connection with an element to be moved and co-acting with the stator, which motor comprises a stator beam supporting said at least one stator, which stator beam has at least one side face carrying ferromagnetic poles of said stator spaced apart by a pitch, and which mover comprises at least one counter-face facing said side face(s) of the stator beam, in which counter-face electro-magnetic components of the mover are located.

An elevator includes at least one elevator shaft and at least one elevator car traveling in the elevator shaft. The elevator has at least one elevator motor including at least one linear stator located vertically along the elevator shaft and at least one mover located in connection with the elevator car and co-acting with the stator. The elevator includes a vertical stator beam supporting at least one stator, which stator beam has at least one side face carrying ferromagnetic poles of said stator spaced apart by a pitch. The mover includes at least one counter-face facing the side face(s) of the stator beam, in which electro-magnetic components of the mover are located.

A method and apparatus for dampening oscillations of an elevator car retains the active control of an elevator system in the presence of displacement. This active control may be maintained via the use of an actuator that tailors Lorentz force relative to the level of displacement along a non-linear continuum.

A translation and/or transportation system, such as an elevator, is described comprising a movable structure for transportation, e.g. a passenger cabin or a load-carrying platform, a guide and a skid integral with the movable structure and slidingly coupled to the guide along a sliding axis. The skid is configured to stably and slidingly couple the movable structure to the guide, and comprises a centering member in contact with the guide. To attenuate the sliding friction, the skid comprises meansor a devicefor generating without contact with the guide a force counteracting an external load impressed on the centering member, the load-counteracting force being repulsive or attractive on the guide, and directed in the opposite direction to the force impressed by the external load on the centering member.