The invention concerns an overspeed governor and an elevator comprising the same. The overspeed governor comprises a governor sheave, a permanent magnet rotor coupled to the governor sheave, a stator arranged to interact with the permanent magnet rotor, a safety gear for braking movement of an elevator car and a safety rope fixed to the safety gear and arranged to run via the governor sheave. Said stator includes a winding adapted to exert, when energized, to the permanent magnet rotor a braking force that brakes movement of the permanent magnet rotor and, consequently, movement of the governor sheave and the safety rope, thereby activating the safety gear.
OVERSPEED GOVERNOR FOR AN ELEVATOR
2017-06-15
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |