Heat exchanger with concentric flow tubes

Details Heat exchanger with concentric flow tubes Heat exchanger with concentric flow tubes

1977-05-09

1980-05-27

Croyle, Carlton R.

Heat exchange

Spur tube projects into enclosure

165154, 165160, F28D 712

Patent

active

042045738

ABSTRACT:
A heat exchanger for heating liquids with other liquids or vapors. An inner flow tube is carried concentrically within an outer flow tube to define an inner passage and also an annular passage. A first manifold directs all of the incoming fluid from one fluid source to either the inner or annular passage. A second manifold directs all of the incoming cooler fluid from the other fluid source to the other passage. A third manifold at the other end of the outer tube discharges the fluid from it so that it does not mix with the inner tube fluid. The outer tube is immersed in inner tube fluid to cause heat transfer through the walls of the inner tube and outer tube.

REFERENCES:
patent: 367839 (1887-08-01), Oakes
patent: 1862310 (1932-06-01), How
patent: 2035275 (1936-03-01), Pfau et al.
patent: 2491618 (1949-12-01), Luetzelschwab
patent: 3948315 (1976-04-01), Powell
patent: 3963071 (1976-06-01), Levin et al.

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