Expandable antivibration bar for heat transfer tubes of a pressu

Details Expandable antivibration bar for heat transfer tubes of a pressu Expandable antivibration bar for heat transfer tubes of a pressu

1984-01-26

1987-02-03

Davis, Jr., Albert W.

Heat exchange

Resilient vibration damper isolating exchanger element

122510, F28F 700

Patent

active

046403426

ABSTRACT:
An expandable antivibration bar for use in stabilizing the U-bend portion of heat transfer tubes in a pressurized water reactor steam generator comprises two adjustable rods connected together by an arcuate connector. The two adjustable rods preferably comprise two mating rod sections having complementary angular sliding surfaces thereon, with means provided to move the rod sections relative to each other along the sliding surfaces so as to expand the rods from a first mated cross-sectional width to a second larger cross-sectional width. The ends of the rod sections have means for aligning the two rod sections and maintaining them in alignment during expansion.

REFERENCES:
patent: 3007679 (1961-11-01), Byerley et al.
patent: 3637008 (1972-01-01), Michel et al.
patent: 3720259 (1973-03-01), Fritz et al.
patent: 3742567 (1973-07-01), Kaelin
patent: 4204570 (1980-05-01), Eisinger
patent: 4286366 (1981-09-01), Vinyard
patent: 4319725 (1982-03-01), Meuschke

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