Patent · US Active

Fluid-cooled electric machine

US9300189B2 · kind B2 · utility

7Cited by

14References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Rudolf Hautz · Pfarrkirchen, DE
Klaus Neupert · Pöcking, DE
Martin Obermayr · Kaiserslautern, DE
Martin H. Stark · Saginaw, US
Josef Watzinger · Reichenau, AT
Josef Zwack · Pöcking, DE

Key dates

Filing date	Jun 14, 2011
Grant date	Mar 29, 2016
Priority date	—
Expiry date	Jul 28, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH02K2201/03
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A fluid-cooled electric machine includes a fluid circuit and an integrated pump element which executes a pumping action to conduct fluid through the fluid circuit as a result of a rotational movement of the electric machine. The electric machine includes a stator and a rotor arranged to demarcate with the stator a conical air gap which is flooded with fluid.

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