F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 37/20 (2006.01) F22B 21/30 (2006.01) F28D 7/06 (2006.01) F28F 9/013 (2006.01) G21C 1/01 (2006.01) G21C 15/02 (2006.01)
Patent
CA 2637001
A self-supporting system for positioning and restraining the U-bend tubes in the U-bend region of a nuclear steam generator includes arrays incorporating unique support bars having nubs projecting in the out-of-plane direction of the tube planes. The system also includes assemblies for spacing the arrays, tie bars to prevent the arrays from splaying and saddle bar assemblies to support the outermost tube layers. The system provides positive restraint to nub engaged tubes in both the in-plane direction of the tube planes and the out-of-plane direction.
Caple Peter A.
Idvorian Nicholas
Pearce Brian
Schneider William G.
Ziegler Stephen W.
Babcock & Wilcox Canada Limited
Ridout & Maybee Llp
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