Hydraulic bearing
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United States of America Patent
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-
Dec 16, 2003
Grant Date -
Jul 11, 2002
app pub date -
Dec 18, 2001
filing date -
Dec 21, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulic hearing, including a supporting bearing (1) and a bearing member (2), which are supported against each other by an elastic spring element (3) made of rubber elastic material, and delimit a working chamber (4) and the compensating chamber (5); the working chamber (4) and a compensating chamber (5) each being filled with damping fluid (6) and being in fluid communication with each other; the bearing member (2) essentially being formed in the shape of a pot; the supporting bearing (1) and the elastic spring element (3) essentially being disposed in the interior space (7) defined by the pot-shaped bearing member (2); the bearing member (2) having a two-shell design on its peripheral side, and an outer ring (8) which encloses an inner ring (9) with a radial clearance; the compensating chamber (5) being disposed in the gap formed by the clearance, and being delimited by a boundary wall (11), which extends in the axial direction, can expand in a radial direction, and essentially accommodates an increase in volume pressurelessly; and the boundary wall (11) being positioned between the outer ring (8) and inner ring (9) so as to be liquid-tight.
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