Heat exchange – Resilient vibration damper isolating exchanger element
Patent
1989-05-25
1990-06-26
Schwadron, Martin P.
Heat exchange
Resilient vibration damper isolating exchanger element
138 89, 138 91, 165 76, 165906, F28F 700
Patent
active
049363786
ABSTRACT:
Closure plugs have heretofore been required in an apparatus for stabilizing an unstable tube of a heat exchanger with a weakened wall region, in addition to providing a stabilizer. Furthermore, differing inside diameters can often not be bridged with the spreading range of the stabilizer. A rod which is fitted with two axially spaced-apart cam discs is provided in order to achieve not only a vibration-free stabilization but a simple sealing as well. Each cam disc has a spreading sleeve which engages over it. Once the spreading sleeve has been pressed against the inner wall of the tube by a relative rotation of the rod, the sleeve-shaped end of the rod is expanded by rolling or is welded in the tube sheet.
REFERENCES:
patent: 2356987 (1944-08-01), Gallop
patent: 3119177 (1964-01-01), Knecht
patent: 3820682 (1974-06-01), Davella
patent: 4590991 (1986-05-01), Cooper, Jr. et al.
patent: 4598738 (1986-07-01), Weber et al.
Kalthoff Wolfgang
Russ Jakob
ABB Reaktor GmbH
Flanigan Allen J.
Greenberg Laurence A.
Lerner Herbert L.
Schwadron Martin P.
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