Air heat exchanger

Details Air heat exchanger Air heat exchanger

1986-03-13

1989-10-10

Ford, John

Heat exchange

Structural installation

Related to wall, floor or ceiling structure of a chamber

165160, 165163, 165905, F24H 302

Patent

active

048725030

ABSTRACT:
A tube-within-a-tube, counter flow, air-to-air heat exchanger utilizing a rigid outer tube and a continuous, flexible inner tube. The corrugated, flexible inner tube is spiralled longitudinally around a center core and creates turbulence in the air which permits a rapid exchange of heat between the exhaust and fresh air streams.

REFERENCES:
patent: 2023492 (1935-12-01), Smith
patent: 2488333 (1949-11-01), Schlachter
patent: 2663549 (1953-12-01), Otten
patent: 2820615 (1958-01-01), Peters
patent: 3499484 (1970-03-01), Lanzoni
patent: 3616849 (1971-11-01), Dijt
patent: 3802499 (1974-04-01), Garcea
patent: 4138288 (1979-02-01), Lewin
patent: 4232735 (1980-11-01), Kim et al.
patent: 4512393 (1985-04-01), Maendel
patent: 4550773 (1985-11-01), Martin

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