Pump device comprising a radial bearing

US12092125B2 · kind B2 · utility

Assignee

• Hella GmbH & Co. KGaA · DE

Inventors

• Martin Cordes · Sundern, DE
• Oliver Doering · Landau, DE
• Ingo Geue · Bad Sassendorf, DE
• Benjamin GROTHE · Wickede (Ruhr), DE
• Theodor Hueser · Geseke, DE
• Dominik NIESS · Selm, DE
• Christoph Schulte · Paderborn, DE
• Stefan Schulte · Marburg, DE
• Georgios Dimitrios Theodossiadis · Moosburg an der Isar, DE
• Christopher Vergers · Meschede, DE
• Andreas von Chamier-Cieminski · Lippstadt, DE
• Mario Zimmer · Hapelrath, DE

Key dates

• Filing date: Feb 16, 2022
• Grant date: Sep 17, 2024
• Expiry date: May 17, 2042

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2240/61
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A pump device, in particular for a fluid circuit in a motor vehicle, comprising a housing, a drive, a rotor, a stator and a radial bearing, wherein the housing has an inlet, wherein the rotor comprises an impeller wheel, wherein the drive is designed to set the rotor in rotation relative to the stator, wherein the inlet is fluidly connected to the impeller wheel, wherein the rotor has a rotor cavity, wherein a section of the stator projects into the rotor cavity, and wherein the radial bearing is situated in the rotor cavity between the section of the stator and the rotor.