Patents Examined by Johnathan Salata
  • Elevator having a drive machine with a rotating traction sheave between multiple motors along the axis of rotation
    Patent number: 6367587
    Abstract: An elevator drive machine includes multiple electric motors and a traction sheave. The traction sheave is placed between the motors. With this arrangement, a higher torque is generated by the drive machine as compared to conventional solutions. Furthermore, an elevator arrangement in which such a drive is utilized exhibits efficient space utilization.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: April 9, 2002
    Assignee: Kone Corporation
    Inventors: Harri Hakala, Esko Aulanko, Jorma Mustalahti, Tauno Pajala