F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 37/24 (2006.01) F22B 37/20 (2006.01) F28F 9/013 (2006.01)
Patent
CA 2083578
DESCRIPTIVE ABSTRACT In a heat exchanger, such as a steam generator equipping a nuclear power station, the U tubes (14) grouped into a bundle forming parallel layers, are maintained in their intermediate, inwardly curved part (14c) by antivibration bars (36a, 36b', 36c') placed between each pair of adjacent layers, said bars being interconnected outside the bundle by connecting or joining pins (38a, 38b, 38c). To prevent the fly-off of the assembly formed by the antivibration bars and the connecting pins, at least part of the antivibration bars (36a, 36b', 36c') is placed in slots formed in an elongated structure (40) fixed to the spacing plate (34a) closest to the inwardly curved part of the tubes. (Fig. 4) . B 11163 GP
Boula Gerard
Roinjard Jean-Pierre
Valadon Christian
Framatome
Goudreau Gage Dubuc
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