Heat exchanger with brazed plates

Details Heat exchanger with brazed plates Heat exchanger with brazed plates

1998-04-20

1999-05-18

Leo, Leonard R.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

62903, F28F3/08

Patent

active

059042052

ABSTRACT:
The heat exchanger is of the type comprising a stack of parallel plates and, between these plates, undulant spacers, each pair of plates defining a passage for fluid of generally flat shape. Certain passages (20) are subdivided over one part of their length into two closed subpassages (at 45, 57) at locations longitudinally offset relative to each other. The exchanger is applicable in cryogenic heat exchangers of installations for the distillation of air.

REFERENCES:
patent: 3266568 (1966-08-01), Butt et al.
patent: 3559722 (1971-02-01), Schauls et al.
patent: 3735793 (1973-05-01), Burberry et al.
patent: 3880231 (1975-04-01), Gauthier
patent: 3983191 (1976-09-01), Schauls
patent: 3992168 (1976-11-01), Toyama et al.
patent: 4006776 (1977-02-01), Pfouts et al.
patent: 4249595 (1981-02-01), Butt
patent: 5144809 (1992-09-01), Chevalier et al.
patent: 5333683 (1994-08-01), Arriulou et al.

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