Method of forming a shell and coil heat exchanger

Details Method of forming a shell and coil heat exchanger Method of forming a shell and coil heat exchanger

1991-01-31

1992-02-18

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29890045, 29890053, 297265, 29727, 72139, B23P 1500

Patent

active

050881922

ABSTRACT:
The heat exchanger is made up of a shell having a coaxial tubular outer and inner wall with end plates attached thereto to enclose a tubular shell cavity provided with an inlet and outlet for a first fluid. Within the shell cavity is a spiral coil of tubing through which flows a second fluid. The coil is wound helically about the axis of the shell and sized to fit the inner and outer walls with limited radial clearance. The coils are axially spaced from one another to define a spiral flow path within the shell cavity for the fluids to first flow. The radial and axial clearance establish a spiral flow path and an axial flow path which are relatively sized to cause the first fluid to travel in a spiral motion, thereby enhancing heat transfer between the first and second fluids.

REFERENCES:
patent: 1483985 (1924-02-01), Price
patent: 3739615 (1973-06-01), Tressel
patent: 4313491 (1982-02-01), Molitor

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