Heat exchanger and fluid conducting tube connection

Details Heat exchanger and fluid conducting tube connection Heat exchanger and fluid conducting tube connection

1998-11-24

2000-10-10

Arola, Dave W.

Pipe joints or couplings

Deformed

Outwardly expanded

285 39, 29520, 165178, F16L 1314

Patent

active

061293946

ABSTRACT:
A heat exchanger has a thin wall with a sleeve fitting operatively connected thereto and an interior bore in the sleeve fitting to receive the end of a tube. The sleeve fitting has an annular shoulder collar formation thereon spaced from the adjacent thin wall which engages an assembled locking ring which is assembled over the sleeve fitting by axial movement along the sleeve fitting. An assembly member applies a force against the locking ring to cause it to slide over the sleeve fitting and radially inwardly constrict the sleeve fitting against the tube thus forming a permanent mechanical seal therebetween while simultaneously, another assembly member supports the sleeve fitting at the shoulder collar to prevent transmission of force from the first assembly member to the thin wall of the heat exchanger.

REFERENCES:
patent: 3467414 (1969-09-01), Downing
patent: 4114930 (1978-09-01), Perkins et al.
patent: 4723601 (1988-02-01), Ohara et al.
patent: 5988270 (1999-11-01), Chevallier

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