Coupling device
AssigneePFW Aerospace AG
InventorsJuergen Hartmann, Andreas Kaufmann, Stefan Gelbrich, Caroline Kauffmann
Life of this patent
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Abstract
A coupling device for releasably connecting fluid-carrying duct ends of ducts is provided. The duct ends, respectively, each carry a jacket having at least two annular ribs housing a first annular sealing element. The first annular sealing element is engaged by the inner shell. The coupling device includes an outer shell that has radially inward extending ribs or rib portions, which are either arranged in an axial distance with respect to a further annular rib of the jackets or engage an axial recess provided on the jackets defined between the further annular rib and a fourth annular rib.
Claims20
A coupling device for releasably connecting fluid-carrying duct ends of ducts, the coupling device comprising:
- jackets, connectable to the ends of each of the ducts, the jackets each comprising at least first and second annular ribs housing a first annular sealing element engaged by an inner shell;
- and
- an outer shell having at least one radially inward extending rib either arranged in an axial distance from a further annular rib of the jackets or engaging an axial recess of the jackets defined between the further annular rib and a fourth annular rib to center the inner shell and the outer shell in a position allowing for both an axial movement of said duct ends relative to one another and/or an angular movement of said duct ends relative to one another, independent from maintaining a fluid-tight connection at said first annular seating element, respectively, the outer shell comprising:
- two identical shell sections engaged with one another within respective connecting regions, each shell section comprising:
- an elastic hook-shaped element engaged by an opening of the other shell section, the elastic hook-shaped elements and the opening being disposed inside the two identical shell sections,
- wherein the coupling device is made of a high-performance thermoplastic material.
A system, comprising:
- a first duct;
- a second duct;
- and
- a coupling device for releasably connecting fluid-carrying duct ends of the first duct and the second duct, the ducts ends each carrying a jacket, the jackets each comprising at least first and second annular ribs housing a first annular sealing element engaged by an inner shell, the coupling device comprising:
- an outer shell having at least one radially inward extending rib either arranged in an axial distance from a further annular rib of the jackets or engaging an axial recess of the jackets defined between the further annular rib and a fourth annular rib to center the inner shell and the outer shell in a position allowing for both an axial movement of said duct ends relative to one another and/or an angular movement of said duct ends relative to one another, independent from maintaining a fluid-tight connection at said first annular seating element, respectively, the outer shell comprising:
- two identical shell sections engaged with one another within respective connecting regions, each shell section comprising:
- an elastic hook-shaped element engaged by an opening of the other shell section, the elastic hook-shaped elements and the opening being disposed inside the two identical shell sections,
- wherein the coupling device is made of a thermoplastic material.
A coupling device for releasably connecting fluid-carrying duct ends of ducts, the coupling device comprising:
- jackets, connectable to the ends of each of the ducts, the jackets each comprising at least first and second annular ribs housing a first annular sealing element engaged by an inner shell;
- and
- an outer shell having at least one radially inward extending rib either arranged in an axial distance from a further annular rib of the jackets or engaging an axial recess of the jackets defined between the further annular rib and a fourth annular rib, the outer shell comprising:
- two identical shell sections engaged with one another within respective connecting regions, each shell section comprising:
- an elastic hook-shaped element engaged by an opening of the other shell section, the elastic hook-shaped elements and the opening being disposed inside the two identical shell sections.
Dependencies are inferred from the claim text.