Heat exchanger tube with turbulator

Details Heat exchanger tube with turbulator Heat exchanger tube with turbulator

1989-12-06

1992-12-01

Rivell, John

Heat exchange

With agitating or stirring structure

165179, 29890036, 29890037, 29890048, F28F 1306, B21C 3726

Patent

active

051672758

ABSTRACT:
A heat exchange tube is provided and includes a turbulator therein incorporating a tubular center core and a spiral wrap about the core. The turbulator is first inserted within the heat exchange tube with minimum clearance between the spiral wrap and the internal surfaces of the tube and minimum clearance between the spiral wrap and the tubular core. Thereafter, the tubular core is expanded sufficiently to deform those portions of the spiral wrap engaging the core and also those portions of the spiral wrap engaging the inner surfaces of the heat exchange tube.

REFERENCES:
patent: 1992988 (1935-03-01), Blahnik
patent: 2318206 (1943-05-01), Eisenlohr
patent: 2693026 (1954-11-01), Simpelaar
patent: 3001767 (1961-09-01), Straubing
patent: 3335790 (1967-08-01), Aranyi et al.
patent: 3339631 (1967-09-01), McGurty et al.
patent: 3477412 (1969-11-01), Kitrilakis
patent: 4086959 (1978-05-01), Habdas
patent: 4111402 (1978-09-01), Barbini
patent: 4373578 (1983-02-01), Saperstein et al.
patent: 4534409 (1985-08-01), Cadars
patent: 4642149 (1987-02-01), Harper

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