Hydropneumatic pressure accumulator
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United States of America Patent
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Sep 14, 2004
Grant Date -
Sep 26, 2002
app pub date -
Mar 13, 2002
filing date -
Mar 20, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydropneumatic pressure accumulator has an outer tube forming the accumulator housing. A flexible separating element is formed by a section of a hose, extends in the longitudinal direction inside of the outer tube and is anchored on the tube to form a seal. On the outside and inside of the hose, receiving spaces separated from one another are formed within the tube. A support body is surrounded by the hose and has fluid passages. At least in sections, the support body cross sectional shape is not round. The hose is closed on its one end and is anchored only on its other open end together with an adjacent end of the support body along the outer tube. The size of the outside surface of the hose is only slightly smaller than the size of the inside surface of the outer tube facing it. The size of the outside surface of the support body is slightly smaller than that of the inside surface of the hose facing it.
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