Patent · US Active

Elevator energy solution

US11155439B2 · kind B2 · utility

1Cited by

4References

6Claims

0Family size

Assignee

Kone Corporation · FI

Inventors

Jouni Ratia · Helsinki, FI
Markku Haivala · Helsinki, FI
Seppo Suur-Askola · Helsinki, FI

Key dates

Filing date	May 3, 2018
Grant date	Oct 26, 2021
Priority date	—
Expiry date	Aug 27, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02J7/14
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The invention relates to an elevator system comprising: an elevator car; at least one motor operable in two modes wherein in the first mode the at least one motor is consuming electrical energy and in the second mode the at least on motor is generating electrical energy; at least one rechargeable battery coupled to the at least one motor; wherein the at least one rechargeable battery is configured to be charged with an energy generated by the at least one motor when the motor is in the second mode.

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