Heat exchanger with multiple exchanger blocks with uniform...

Details Heat exchanger with multiple exchanger blocks with uniform... Heat exchanger with multiple exchanger blocks with uniform...

2001-08-08

2004-11-16

Leo, Leonard R. (Department: 3753)

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

C165S145000, C165S174000

Reexamination Certificate

active

06817407

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention relates to heat exchangers, particularly for reboiler-condensers of cryogenic installations, for example main reboiler-condensers of double air distillation columns and to reboiler-condensers comprising such an exchanger.


REFERENCES:
patent: 3256704 (1966-06-01), Becker
patent: 3590914 (1971-07-01), Duncan
patent: 3623505 (1971-11-01), Barsness et al.
patent: 3830292 (1974-08-01), Wolowodiuk et al.
patent: 4276927 (1981-07-01), Foust
patent: 4330308 (1982-05-01), Grenier et al.
patent: 5107923 (1992-04-01), Sherman et al.
patent: 5186249 (1993-02-01), Bhatti et al.
patent: 5284203 (1994-02-01), Dauvergne
patent: 5671808 (1997-09-01), Kleyn
patent: 5979544 (1999-11-01), Inoue
patent: 0 826 528 (1998-03-01), None

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