Heat exchanger

Details Heat exchanger Heat exchanger

1990-03-15

1990-10-16

Rivell, John

Heat exchange

With adjustor for heat, or exchange material, flow

Branched flow

165 96, 165 97, 165100, F28F 2702

Patent

active

049628097

ABSTRACT:
A heat exchanger suitable for placing air and cold hydrogen in heat exchanger relationship with each other comprises two concentric annular arrays of header tubes, all the header tubes in the radially outer array being in flow communication with a first manifold while half of the header tubes in the radially inner array are in flow communication with a second manifold and the remainder are in flow communication with a third manifold. Heat exchange pipes interconnect the various header tubes and air flows over those pipes. Various valves and pipes are provided and are operable to ensure that the heat exchanger functions in two modes of operation; a first in which cold hydrogen flows through all the heat exchange pipes in a single direction and a second in which the cold hydrogen flows through alternate heat exchange pipes in the opposite direction.

REFERENCES:
patent: 2487484 (1949-11-01), Simpelaar
patent: 3520354 (1970-07-01), Lawrence
patent: 4062189 (1977-12-01), Mager et al.
patent: 4582765 (1986-04-01), Kothmann
patent: 4699676 (1987-10-01), Held
patent: 4798242 (1989-01-01), Kito et al.

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