Heat transfer plate, plate pack and plate heat exchanger

Details Heat transfer plate, plate pack and plate heat exchanger Heat transfer plate, plate pack and plate heat exchanger

2007-01-30

2007-01-30

Flanigan, Allen J. (Department: 3753)

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

C165SDIG036

Reexamination Certificate

active

10250340

ABSTRACT:
A heat transfer plate for a plate heat exchanger including a number of ridges (210) and troughs (220) which have been pressed into the plate, the heat transfer portion of the plate having a plurality of juxtaposed rows (200) of the ridges (210) and troughs (220). The rows (200) of ridges (210) and troughs (220) are separated from each other by essentially plane channel portions (240). Each row (200) presents alternating elongated ridges (210) and elongated troughs (220) which extend along a main flow direction (F). The transition between each ridge (210) and an adjacent trough (220) in the same row (200) is formed by a transition portion (230) which is inclined relative to the central plane (P1) of the plate (1). The heat transfer plate is used in a plate pack for a plate heat exchanger.

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patent: 863816 (1953-01-01), None
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patent: 1 201 151 (1970-08-01), None
patent: WO 8701795 (1987-03-01), None

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