Coupling for a fuel manifold

Details Coupling for a fuel manifold Coupling for a fuel manifold

F - Mech Eng,Light,Heat,Weapons

16

L

60/176

F16L 39/00 (2006.01) F16L 37/10 (2006.01) F16L 37/56 (2006.01)

Patent

CA 1247379

Abstract of the Disclosure A manifold is provided surrounding the casing of a combustion chamber for a gas turbine engine, and the manifold is mounted in spaced aligned segments with couplings between the segments. Each coupling includes a removable tube connector extending between passageways forming the fuel line in the manifold. The tube connector is provided with a radial collar thereon, and a sleeve which is adapted to enclose the space between ends of respective manifold segments is also provided with a mating collar adapted to receive the radial collar on the tube connector. The sleeve is retractable over the ends of the manifold segments, and movement of the sleeve in one direction or the other will also move the tube connector by virtue of the interlocking collars. The manifold segments are provided with a second passageway for draining leaked fuel. The space defined by the sleeve is sealed, and fuel can communicate through to the second passageway for drainage outboard of the engine. The sleeve can be locked in an assembled position, thereby locking the tube connector in a sealed relationship with the ends of the manifold segments within the first passageway.

513545

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