Heat exchanger having U-tubes equipped with an anti-fly-off supp

Details Heat exchanger having U-tubes equipped with an anti-fly-off supp Heat exchanger having U-tubes equipped with an anti-fly-off supp

1992-11-25

1993-12-14

Flanigan, Allen J.

Heat exchange

Resilient vibration damper isolating exchanger element

165162, 122510, F28F 900

Patent

active

052693716

ABSTRACT:
In a heat exchanger, such as a steam generator equipping a nuclear power station, the intermediate inwardly curved parts (14c) of the U-tubes (14) grouped into a bundle forming parallel layers are maintained by antivibration bars (36a, 36b', 36c') placed between each pair of adjacent layers, these bars being interconnected outside the bundle by connecting 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 bars (36a, 36b', 36c') are placed in slots formed in an elongated structure (40) fixed to the spacing plate (34a) closest to the inwardly curved part of the tubes.

REFERENCES:
patent: 2853278 (1958-09-01), Hesler
patent: 3007679 (1961-11-01), Byerley et al.
patent: 3199582 (1965-08-01), Vogt et al.
patent: 3212567 (1965-10-01), Romanos
patent: 4839951 (1989-06-01), Boula et al.
patent: 4895204 (1990-01-01), Johnson et al.
patent: 4991645 (1991-02-01), Lagally et al.
patent: 5005637 (1991-04-01), Gentry
patent: 5042433 (1991-08-01), Monnier

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