Heat exchanger with multiwall tubes

Details Heat exchanger with multiwall tubes Heat exchanger with multiwall tubes

1980-06-26

1988-02-09

Davis, Jr., Albert W.

Heat exchange

Tubular structure

Diverse materials

165185, 165 70, 122DIG13, 138143, 138145, F28F 2100

Patent

active

047236027

ABSTRACT:
A heat exchanger having a housing with one or more tubes therein for the transportation of a first fluid through the tubes and a second fluid through the housing and at least partially around the tube or tubes, in which each tube includes two concentric walls with a thin layer or thin layers of a relatively soft material between them applied to the outer surface of the inner wall and to the inner surface of the outer wall.

REFERENCES:
patent: 1952896 (1934-03-01), Rudorff
patent: 3804161 (1974-04-01), Nowak
patent: 4092697 (1978-05-01), Spaight
patent: 4275484 (1981-06-01), Popplewell et al.
patent: 4299715 (1981-11-01), Whitfield et al.

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