Patent · US Active

Electric motor having improved cooling

US10734865B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

ebm-papst Mulfingen GmbH & Co. KG · DE

Inventors

Matthias Maschke · Kupferzell, DE
Hartmut Messerschmidt · Ingelfingen, DE
Friedrich Schaffert · Schrozberg, DE
Wolfgang Strobel · Tolland, US
Michael Sturm · Bad Mergentheim, DE

Key dates

Filing date	Jan 25, 2016
Grant date	Aug 4, 2020
Priority date	—
Expiry date	Mar 9, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH02K11/33
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to an electric motor comprising an electronics housing having motor electronics accommodated therein and a stator housing arranged axially at a distance from the electronics housing, wherein, axially between the electronics housing and the stator housing there is arranged a twin-flow cooling wheel which, during operation, generates a first cooling air stream along the electronics housing and a second cooling air stream along the stator housing and/or at least one bearing shield adjoining the stator housing axially.

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