Elevator excessive speed protective equipment

Application Number: 00119248
Application Date: 1995.11.30
Publication Number: 1295026
Publication Date: 2001.05.16
Priority Information: 1995/7/26 JP 190922/95
International: B66B5/02
Applicant(s) Name: Mitsubishi Electric Corp.
Inventor(s) Name: Yunomura Kei;Ito Kazumasa
Patent Agency Code: 11038
Patent Agent: du rixin
Abstract An elevator overspeed protection apparatus includes a conductor which is set along the car driving direction in the elevator passage; a first magnetic path which is adjacent to the conductor and passing through the magnetic track of the conductor; a switching apparatus, switching the force acting to the first magnetic path, generated by the vortex in said conductor when the car is running to the shift of the first magnetic path; a braking apparatus, stopping the car corresponding to the shift of the first magnetic path in the direction of the car running by the switching apparatus which includes a member for testing the physical quantity followed the change of the car movement.