Plate heat transfer apparatus with leakage detector

Details Plate heat transfer apparatus with leakage detector Plate heat transfer apparatus with leakage detector

1988-08-05

1990-02-27

Ford, John

Heat exchange

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

165 70, 165167, F28F 1100, F28F 310

Patent

active

049037587

ABSTRACT:
A plate heat exchanger has a number of adjacent plates with vents arranged to vent material from transfer bridge zones to atmosphere. An electrode extending lengthwise of the apparatus and through apertures of the plates contacts the vented material when an unacceptable level of accumulation of vented material occurs in dead spaces adjacent the apertures. A detectable change of effective electrical capacitance or resistance caused by the accumulated material approaching or touching the electrode is used to generate a warning signal.

REFERENCES:
patent: 2582871 (1952-01-01), Kintner
patent: 3908757 (1975-09-01), Wright
patent: 4372375 (1983-02-01), Bond
patent: 4569312 (1986-02-01), Riddell et al.
patent: 4800007 (1989-01-01), Karlsson et al.

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