Plate heat exchanger

Details Plate heat exchanger Plate heat exchanger

2006-12-26

2006-12-26

Ciric, Ljiljana (Department: 3753)

Heat exchange

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

C165S299000, C165S166000

Reexamination Certificate

active

07152663

ABSTRACT:
The invention refers to a plate heat exchanger, which includes a sensor device and a plate package of heat transfer plates (1). The heat transfer plates form between the plates (1) first passages (3) for a first fluid and second passages (4) for a second fluid. The sensor device includes a space (21), which is closed to the first passages (3) and the second passages (4). The closed space (21) is arranged to contain a medium, which can be influenced by the temperature of at least one of the fluids, and to be connectable to a device (14) for sensing a pressure change of the medium in the closed space (21). The closed space (21) is at least partly defined by at least one of the plates (1).

REFERENCES:
patent: 4560973 (1985-12-01), Grimm et al.
patent: 5906746 (1999-05-01), Helmo et al.
patent: 6766817 (2004-07-01), da Silva
patent: 2003/0034146 (2003-02-01), Kaufman
patent: 2005/0178536 (2005-08-01), Blomgren et al.
patent: 96 00205 (1997-10-01), None
patent: 0 608 195 (1994-07-01), None
patent: 617461 (1949-02-01), None
patent: 97/00415 (1997-01-01), None

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