Patent · US Expired

Fan arrangement for an electrical machine

US6874991B2 · kind B2 · utility

0Cited by

8References

2Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Horst Braun · Stuttgart, DE
Thomas Berger · Ditzingen, DE
Uwe Knappenberger · Rochlitz, DE

Key dates

Filing date	Mar 8, 2002
Grant date	Apr 5, 2005
Priority date	—
Expiry date	Jun 26, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH02K5/16
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a fan apparatus for an electrical machine, with a fan (10), which can be rotated around an axis, wherein air flows into the fan (10) in the axial direction and out of the fan (10) in the radial direction, a bearing plate (12), and a magnet wheel (14), wherein a flow conduit (16) is at least partially bounded by the bearing plate (12) and the magnet wheel (14) and the flow cross section of the flow conduit (16) is essentially constant in the radial direction.

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