Plain bearing with hydrodynamic axial securing

A radial bearing arrangement of an exhaust gas turbocharger for mounting a shaft in a bearing housing is disclosed. The radial bearing arrangement comprises a radial bearing bush arranged between the shaft and the bearing housing, wherein the radial bearing bush features a radially outwardly project...

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Bibliographic Details
Main Authors Hertel, Antje, Ammann, Bruno, Kreienkamp, Christian, Achtnich, Philippe
Format Patent
LanguageEnglish
Published 13.10.2020
Subjects
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINE PLANTS IN GENERAL
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
STEAM ENGINES
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A radial bearing arrangement of an exhaust gas turbocharger for mounting a shaft in a bearing housing is disclosed. The radial bearing arrangement comprises a radial bearing bush arranged between the shaft and the bearing housing, wherein the radial bearing bush features a radially outwardly projecting collar, which interacts in the axial direction with an axial stop on the bearing housing. The geometry of the radially outwardly projecting collar is interrupted by cut-outs, such that a force acting on the collar as a result of an oil feed pressure is minimized, and wherein the radial bearing bush is configured such that a lubricating film can form between an end surface of the radial bearing bush and a counterpiece arranged on the shaft.
Bibliography:Application Number: US201816484441