Patent · US Active

Coupling device

US9611959B2 · kind B2 · utility

3Cited by

10References

20Claims

0Family size

Assignee

PFW AEROSPACE GMBH · DE

Inventors

Juergen Hartmann · Ludwigshafen, DE
Andreas Kaufmann · Hohenahr, DE
Stefan Gelbrich · Geithain, DE
Caroline Kauffmann · Münstermaifeld, DE

Key dates

Filing date	Jul 6, 2012
Grant date	Apr 4, 2017
Priority date	—
Expiry date	Jul 5, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L23/00
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.