Patent · US Active

Elevator including elevator rescue system

US7690483B2 · kind B2 · utility

9Cited by

8References

10Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Dirk H. Tegtmeier · Berlin, DE
Michael Mann · Berlin, DE
Armando Servia · Madrid, ES
Ricardo Cano · Madrid, ES

Key dates

Filing date	Jan 11, 2005
Grant date	Apr 6, 2010
Priority date	—
Expiry date	Jun 7, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B1/3492
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

Elevator comprising a car, a drive motor driving the car, a motor drive unit for controlling the drive motor and supplying power thereto, an encoder for sensing movement of the car, and an elevator rescue system for rescue operation in case of an emergency situation, wherein the elevator comprises one single encoder only for normal and rescue operation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.