Method for leakage control and localization of leakages in...

Details Method for leakage control and localization of leakages in... Method for leakage control and localization of leakages in...

2005-09-27

2005-09-27

Ciric, L V (Department: 3753)

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

C073S040000, C073S04050R

Reexamination Certificate

active

06948551

ABSTRACT:
A method for leakage control and localization of leakages in a plate heat exchanger includes supplying a solution containing a fluorescent colorant to one of either a primary passageway or a secondary passageway of the heat exchanger, supplying a clear liquid to the opposite passageway, recycling the clear liquid, and detecting the presence of the fluorescent colorant in the clear liquid.

REFERENCES:
patent: 3790345 (1974-02-01), Manshfield
patent: 4050945 (1977-09-01), Suzuki
patent: 4104910 (1978-08-01), Ogata et al.
patent: 4328700 (1982-05-01), Fries
patent: 4688627 (1987-08-01), Jean-Luc et al.
patent: 5170840 (1992-12-01), Grunwald
patent: 5759857 (1998-06-01), Goyal et al.
patent: 0 597 659 (1994-05-01), None
patent: WO 99/19706 (1999-04-01), None

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