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US 5,427,152 AGranted
Hydraulic accumulator with dividing wall supported by connecting and retaining parts
AssigneeHydac Technology GmbH
InventorNorbert Weber
Life of this patent
Estimating the term…
Abstract
A hydraulic accumulator has a dividing wall located in a housing and separating the housing into a liquid chamber and a gas chamber. The dividing wall is held by a retaining part connected to a connecting part. The retaining part at least partly surrounds the connecting part for producing the connection.
Claims23
A hydraulic accumulator, comprising:
- a housing having a liquid chamber and a gas chamber;
- a dividing wall in said housing separating said liquid chamber from said gas chamber;
- an annular connecting part welded to said housing and formed of metal;
- and
- a retaining part coupled to said connecting part and holding said dividing wall in said housing, said retaining part at least partly surrounding said connecting part, being separately formed as a different member from said connecting part, being formed of synthetic material, and pressing parts of said dividing wall against said housing in gas-tight manner.
2 more elements
A hydraulic accumulator, comprising:
- a housing having a liquid chamber and a gas chamber;
- a dividing wall in said housing separating said liquid chamber from said gas chamber, said dividing wall having a beaded edge;
- an annular connecting part welded to said housing;
- and
- an annular retaining part coupled to said connecting part and holding said dividing wall in said housing, said retaining part at least partly surrounding said connecting part, and being separately formed as a different member from said connecting part, said retaining part including indentations, a groove receiving said connecting part, and a channel receiving said beaded edge of said dividing wall.
2 more elements
Dependencies are inferred from the claim text.