Patent · US Active

Fuel pump having electrically insulated bearings

US10330108B2 · kind B2 · utility

1Cited by

5References

11Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Marc Völker · Schwalbach am Taunus, DE
Gabriel Simara Lima · Hofheim, DE
Ralf Muehlhausen · Lengede, DE

Key dates

Filing date	Jan 16, 2018
Grant date	Jun 25, 2019
Priority date	—
Expiry date	Jan 30, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/043
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel delivery pump for delivering fuel, having an electric motor and having a pump impeller that is driven by means of the electric motor, wherein the pump impeller is connected by means of a shaft to a rotor of the electric motor such that a rotational movement of the rotor is transmitted via the shaft to the pump impeller, wherein the shaft is mounted by means of an axial bearing in an axial direction and/or by means of a radial bearing in a radial direction relative to a pump stage in which the pump impeller is arranged, wherein an electrical insulation element is arranged between the axial bearing and the pump stage, and/or an electrical insulation element is arranged between the radial bearing and the pump stage.

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