Tube-in-shell heat exchangers

Details Tube-in-shell heat exchangers Tube-in-shell heat exchangers

1984-03-02

1985-10-22

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Repairing

2940216, 291573C, 291574, 165 76, 165 83, B23P 1526, B23P 700

Patent

active

045479445

ABSTRACT:
A method of repairing a defective tube in a tube-in-shell heat exchanger which entails inserting within the defective tube a tubular sleeve and sealingly bonding the end regions of the sleeve to the tube to bridge the defect, the tubular sleeve having axial flexibility (for example by being circumferentially corrugated). The sleeve may be mechanically keyed to the tube at positions adjacent to the bonding at the end regions of the sleeve.

REFERENCES:
patent: 1095477 (1914-05-01), Still
patent: 1594199 (1926-07-01), Heineman
patent: 2209974 (1940-08-01), Jacobus
patent: 2267315 (1941-12-01), Stickeleather
patent: 3070130 (1962-12-01), Risley
patent: 4449280 (1984-05-01), Schroeder

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