Decoupling element impervious to liquid fluids
AssigneeWestfalia Metallschlauchtechnik GmbH & Co. KG
InventorsDIETMAR BAUMHOFF, Frank Bender, Karl-Heinz Munker, Stefan Hauk, Matthias Weiss
Life of this patent
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Abstract
For connection of pipelines which are subject to vibration, for example pipelines in vehicle exhaust systems, a liquid-tight decoupling element is used which includes a, e.g. multi-layer wound, metal hose and a tube accommodated in coaxial relationship inside or outside of the metal hose. A first axial fitting firmly secures one end of the tube. The tube is sized to protrude into a second axial fitting, regardless whether the metal hose is completely compressed or completely stretched, to allow movement of the tube in axial and torsional directions in relation to the second axial fitting.
Claims23
A liquid-tight decoupling element, comprising:
- a metal hose;
- a tube accommodated in coaxial relationship to the metal hose;
- a first axial fitting for firm connection of one end of the tube;
- and
- a second axial fitting for radially securing another end of the tube and for allowing movement of the tube in axial and torsional directions.
Dependencies are inferred from the claim text.