Method and device for detecting a leak in a heat exchanger,...

Details Method and device for detecting a leak in a heat exchanger,... Method and device for detecting a leak in a heat exchanger,...

2005-08-02

2005-08-02

Cygan, Michael (Department: 2855)

Measuring and testing

With fluid pressure

Leakage

C073S040000

Reexamination Certificate

active

06923043

ABSTRACT:
The invention relates to a device for detecting a leak between two circuits of a plate-type heat exchanger (1) provided with means for filling two circuits with fluid at a different pressure, characterized in that said device comprises automatic control means for the convergence of the pressure inside said circuits with respect to a given threshold, and means for signalling a leak when the automatic control means have detected the occurrence of said convergence.

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patent: 4986749 (1991-01-01), Praat et al.
patent: 5170840 (1992-12-01), Grunwald
patent: 6009745 (2000-01-01), Dall et al.
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patent: 6662633 (2003-12-01), Pratt
patent: 6786079 (2004-09-01), Bucey et al.
patent: 1 022 552 (2000-07-01), None
patent: WO 95/16900 (1995-06-01), None

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