Patent · US Expired

Electric motor

US6548930B1 · kind B1 · utility

3Cited by

9References

5Claims

0Family size

Assignee

Mannesmann VDO AG · DE

Inventors

Peter Marx · Hooksett, US
Bernd Jäger · Fritzlar, DE
Hans-Dieter Wilhelm · Neu-Anspach, DE
Michael Bämpfer · Lengede, DE

Key dates

Filing date	Feb 21, 2000
Grant date	Apr 15, 2003
Priority date	—
Expiry date	Feb 21, 2020

Classification

Technology area (CPC H)Electricity
CPC primaryH02K1/17
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric motor for a fuel pump wherein fuel flows through the pump, includes spring elements provided for holding magnetic shells in the stator have a face which points toward a rotor and is flush with the magnetic shells. Turbulence in the flow of the fuel within the electric motor are thereby kept particularly low. The pressure loss during the flow through the electric motor thus becomes lower. The pump according to the invention consequently has high efficiency.

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