Control system for manufacturing enhanced tubes

Details Control system for manufacturing enhanced tubes Control system for manufacturing enhanced tubes

1985-12-16

1990-02-20

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Heat exchanger

29407, 29890035, 29890045, 2989007, B21D 5302

Patent

active

049014161

ABSTRACT:
A method and control system for manufacturing externally enhanced evaporator tubes. A pressure signal indicative of the pore size on the external surface of the enhanced evaporator tube is provided to a microcomputer system which processes the signal indicative of the pore size and compares the signal to a predetermined pore size signal to determine when the pore size is within a selected tolerance. The microcomputer generates a control signal to adjust the enhancing process if the microcomputer system determines that the pore size of the manufactured tube is different than the selected pore size.

REFERENCES:
patent: 2390252 (1945-12-01), Hayward
patent: 3577642 (1971-05-01), Tripoli
patent: 4001359 (1977-01-01), Fisher et al.
patent: 4098408 (1978-07-01), Miller, Jr. et al.
patent: 4103535 (1978-08-01), Mutter et al.

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