Patent · US Active

Low profile drive unit for elevator system

US10071880B2 · kind B2 · utility

0Cited by

11References

26Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Andreas Tutat · Berlin, DE
Ibrahim Ia Atalmis · Berlin, DE
Herbert Horbrugger · Berlin, DE
Marvin Dehmlow · Berlin, DE

Key dates

Filing date	Feb 21, 2013
Grant date	Sep 11, 2018
Priority date	—
Expiry date	May 1, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B50/00
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A drive unit for an elevator system, the drive unit including a multilayer, power circuit board; a first DC link formed in a layer of the power circuit board; a second DC link formed in a layer of the power circuit board; a first switch having a first terminal, the first switch mounted to a surface of the power circuit board; a first via electrically coupling the first terminal to the first DC link; a second switch having a second terminal, the second switch mounted to the surface of the power circuit board; and a second via electrically coupling the second terminal to the second DC link; the first via conducting heat from the first switch to the first DC link; the second via conducting heat from the second switch to the second DC link.

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