Patent · US Expired

Switch cupboard with devices for cooling the hot air inside

US6375561B1 · kind B1 · utility

43Cited by

8References

17Claims

0Family size

Assignee

Rittal-Werk Rudolf Loh GmbH & Co. KG · DE

Inventors

Walter Nicolai · Seevetal, DE
Adam Pawlowski · Waldbronn, DE

Key dates

Filing date	Apr 28, 2000
Grant date	Apr 23, 2002
Priority date	—
Expiry date	Apr 28, 2020

Classification

Technology area (CPC H)Electricity
CPC primaryH05K7/20572
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A switch cupboard with devices for cooling the hot air present inside the same. At least one vertical face is closed off by a double-walled wall element whose outer and inner wall panel form an air duct with an extensive surface. The inner wall panel has several openings spread out from each other. The openings can be covered either with cover plates, fans which operate in two directions of rotation or connecting plates with sections of hose.

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