US 7,614,236 B2
Positioning bridge guide and its utilisation for the nozzle support pipe of a turboprop
Emmanuel Christophe Mandet, Echouboulains (France); Jacques-A Roche, Lisses (France); and Laurent Claude Patrick Salperwyck, Lizines (France)
Assigned to Snecma, Paris (France)
Filed on Mar. 10, 2005, as Appl. No. 11/75,851.
Claims priority of application No. 04 50518 (FR), filed on Mar. 15, 2004.
Prior Publication US 2006/0038064 A1, Feb. 23, 2006
Int. Cl. F02K 3/10 (2006.01)
U.S. Cl. 60—766  [60/796] 14 Claims
OG exemplary drawing
 
1. A bridge piece for positioning a first part and a second part relative to each other, said first and second parts being susceptible to variations in their relative positions, said bridge piece including a bar comprising:
a first lug located at a first end of the bar;
a second lug located at a second end of said bar, said second end being opposite of said first end, wherein said first and second lugs contact said first part; and
a cambered part between said first and second lugs, said cambered part including:
a first rising portion that rises from the first lug and peaks at a first summit zone;
a first descending portion descending from the first summit zone;
a second rising portion that rises from the second lug and peaks at a second summit zone;
a second descending portion descending from the second summit zone; and
a central portion centered between the two summit zones defining an inversed central camber, wherein
the first and second descending portions meet at the central portion,
the two summit zones form two contact points between said bar and said second part, and
said central portion is centered between said first and second ends of said bar.