US 7,320,212 B2
Side-fed shielded internal fuel manifold inlet tube
Jason Araan Fish, Brampton (Canada); Bryan Olver, Nobleton (Canada); and Vittorio Bruno, Mississauga (Canada)
Assigned to Pratt & Whitney Canada Corp., Longueuil (Canada)
Filed on Jan. 27, 2004, as Appl. No. 10/764,578.
Prior Publication US 2005/0160738 A1, Jul. 28, 2005
Int. Cl. F02C 7/22 (2006.01)
U.S. Cl. 60—39.094  [60/739] 12 Claims
OG exemplary drawing
 
1. An inlet tube for supplying fuel to a manifold of a combustor in a gas turbine engine, the inlet tube comprising:
a tube body;
a longitudinal primary channel defined in the tube body, the primary channel having first and second ends, the second end being in fluid communication with the manifold; and
a side inlet defined in an outer surface of the tube body and being in fluid communication with the first end of the primary channel, the side inlet communicating with a circumferential groove defined in the outer surface of the tube body, such that fuel entering the side inlet is delivered in the primary channel with a fuel pressure being generally directed along a radial axis of the tube body;
whereby the fuel enters the side inlet and travels through the primary channel to the manifold.