Patents Assigned to Kone Corp.
  • Method for braking a traction sheave elevator, traction sheave elevator and use of an emergency power supply
    Patent number: 6631790
    Abstract: A method for braking a traction sheave elevator stops the elevator in the event of an emergency by the braking of the elevator using a braking device not comprised in the drive machine. A traction sheave elevator is provided with a braking device not comprised in the drive machine and designed to improve the efficiency of emergency stopping. The maximum force decelerating the elevator and generated by the braking device equals about half the weight of the nominal load of the elevator.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: October 14, 2003
    Assignee: Kone Corp.
    Inventors: Seppo Mattlar, Petteri Valjus, Johannes De Jong