Patent Number: 6,305,502

Title: Elevator cab floor acceleration control system

Abstract: An elevator cab control system directly minimizes the lateral acceleration of an elevator cab floor, or platform, relative to the elevator car frame by implementing electromagnets between the cab floor and the car frame. The electromagnets are controlled in a closed-loop feedback manner by signals from accelerometers.

Inventors: He; Thomas (Unionville, CT), Malone, Jr.; Thomas Francis (Avon, CT)

Assignee: Otis Elevator Company

International Classification: B66B 11/02 (20060101); B66B 001/34 ()

Expiration Date: 10/23/2018