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US 2015/0144216 A1Published application
Piston accumulator
AssigneeCarl Freudenberg KG
InventorThomas Pippes
Life of this patent
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Abstract
A piston accumulator in which good sealing and guidance of a piston is ensured, even if the diameter of the housing undergoes expansion, the strength, weight and costs of the piston accumulator being optimised as far as possible, a piston accumulator, which has a housing defining a pressure chamber and receiving a movable piston, a compressible fluid being held in the pressure chamber, the piston having a housing side facing the pressure chamber and the piston having a working side which can face a working fluid that can move the piston with a bushing provided, within which the piston can move.
Claims20
A piston accumulator, comprising:
- a housing defining a pressure chamber and receiving a movable piston;
- and
- a bushing within which the movable piston can move,
- wherein a compressible fluid is held in the pressure chamber,
- wherein the movable piston includes a housing side facing the pressure chamber,
- wherein the piston includes a working side which can face a working fluid that can move the piston.
3 more elements
Dependencies are inferred from the claim text.