A sliding joint for a gas turbine engine fuel manifold

A fluid supply line sliding joint comprises an annular diaphragm seal 13 coupling the end of the fluid supply line 12 to the end of the fluid receiving part 11, the diaphragm / membrane seal 13 having radially inner and outer flange portions 13a, 13b which are respectively attached to the fluid supp...

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Bibliographische Detailangaben
1. Verfasser:	CHRISTOPHER DAVID WILLIAMS
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINEERING ELEMENTS AND UNITS GAS-TURBINE PLANTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A fluid supply line sliding joint comprises an annular diaphragm seal 13 coupling the end of the fluid supply line 12 to the end of the fluid receiving part 11, the diaphragm / membrane seal 13 having radially inner and outer flange portions 13a, 13b which are respectively attached to the fluid supply line 12 and the fluid receiving part 11, the diaphragm seal being accommodated in an annular space between the two ends and permitting axial telescopic movement. Ideally the sliding joint connects the fuel line to the fuel spray nozzle connectors (or to another fuel line) in the fuel manifold of a gas turbine engine of an aircraft, and accommodates effects of thermal expansion by serving as a rolling seal. A threaded collar may be used to secure the flanges of the seal. A back-up O-ring seal 14 may be located in the annular space in between.