Heat exchanger

Details Heat exchanger Heat exchanger

2005-05-24

2005-05-24

Flanigan, Allen J. (Department: 3753)

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

Reexamination Certificate

active

06896043

ABSTRACT:
An improved counterflow heat exchanger is described. The heat exchanger has one or more cold air intake passageways and one or more hot air intake passageways wherein the flow of cold air is opposite the flow of hot air. In addition, each cold air intake passageway contacts at least one hot air intake passage way.

REFERENCES:
patent: 1597678 (1926-08-01), Fisher
patent: 1601637 (1926-09-01), Meigs
patent: 3552488 (1971-01-01), Grill et al.
patent: 3829945 (1974-08-01), Kanzler et al.
patent: 4131159 (1978-12-01), Long
patent: 4384611 (1983-05-01), Fung
patent: 4556105 (1985-12-01), Boner
patent: 4729427 (1988-03-01), Baumann
patent: 501932 (1954-04-01), None

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