HYDRO-BUSH BEARING WITH ACOUSTIC DECOUPLING

An elastomer bush bearing with hydraulic damping, which is simultaneously configured for acoustic decoupling. The proposed hydro-bush bearing includes, in a conventional manner, a tubular metallic inner part ( 1 ) and an elastomer bearing body ( 2 ) which encompasses the inner part ( 1 ) and is conn...

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Bibliographische Detailangaben
Hauptverfasser:	MEYERINK FRANK, HOPING CLAUDIA
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An elastomer bush bearing with hydraulic damping, which is simultaneously configured for acoustic decoupling. The proposed hydro-bush bearing includes, in a conventional manner, a tubular metallic inner part ( 1 ) and an elastomer bearing body ( 2 ) which encompasses the inner part ( 1 ) and is connected with the inner part ( 1 ) by vulcanization. The corresponding rubber-metal part is formed of metal or plastic and adapted for insertion into an outer sleeve. At least two chambers ( 3, 4 ) adapted to receive a liquid damping means are formed in the bearing body ( 2 ) and connected by a damping channel ( 5 ) which is open in an unloaded state. An additional channel ( 6 ) is arranged between the chambers ( 3, 4 ), which in the unloaded state of the bearing is closed for the damping means by a sealing lip ( 7 ). The sealing lip is constructed so as to oscillate with an amplitude in excess of 0.025 mm at high-frequency loads. In addition, support elements ( 8, 9 ) are arranged on both sides of the sealing lip ( 7 ) which limit the oscillation amplitude of the sealing lip ( 7 ) for loads which cause displacement amplitudes of the bearing body of greater than 0.15 mm.