Repair of double shell heat exchangers

Details Repair of double shell heat exchangers Repair of double shell heat exchangers

1983-10-24

1985-01-15

Richter, Sheldon J.

Heat exchange

Covered access opening

165 76, F28F 1100

Patent

active

044933673

ABSTRACT:
A method and apparatus for sealing a hole in the inner wall of a double wall heat exchanger in which cover means is positioned in biased relationship to the hole and a frame positioned in the opening through which the cover means is inserted against the hole.

REFERENCES:
patent: 1500837 (1924-07-01), Moody
patent: 1631721 (1927-06-01), De Boischevalier
patent: 2391876 (1946-01-01), Brown
patent: 4121656 (1978-10-01), Huber
patent: 4143708 (1979-03-01), Haynes

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