Fuel delivery pump
AssigneeContinental Automotive GmbH
InventorsMarc Völker, Gabriel Simara Lima, Ralf Muehlhausen
Life of this patent
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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.
Claims13
A fuel delivery pump for delivering fuel, having an electric motor, comprising:
- a pump impeller that is driven by the electric motor;
- a pump stage, the pump impeller being arranged in the pump stage;
- a rotor being part of the electric motor;
- a shaft, the pump impeller connected to the shaft, and the rotor of the electric motor connected to the shaft such that rotational movement of the rotor is transmitted via the shaft to the pump impeller;
- and
- at least one bearing for supporting the shaft, the at least one bearing located in the pump stage;
- at least one electrical insulation element arranged between the at least one bearing and the pump stage, such that the at least one electrical insulation element electrically insulates the shaft from the pump stage.
Dependencies are inferred from the claim text.