Patent · US Active

Low-voltage switching device having an asymmetrically guided air flow-based cooling system

US11259439B2 · kind B2 · utility

0Cited by

2References

22Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Kaesbauer · Schwandorf, DE
Norbert Reichenbach · Amberg, DE

Key dates

Filing date	Nov 14, 2018
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Nov 14, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH05K7/20945
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A low-voltage switching device includes a housing in which power-electronic components are arranged in the region of ventilation of a fan. In an embodiment, the power-electronic components operate under temperature regulation by virtue of an air flow that is guided asymmetrically proceeding from the fan. Therefore, the low-voltage switching device can be operated at a nominal device current range of up to 650 A as the result of the asymmetrically guided air flow.

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