Laminated fitting for heat exchanger

Details Laminated fitting for heat exchanger Laminated fitting for heat exchanger

1989-04-03

1990-08-14

Arola, Dave W.

Pipe joints or couplings

For branched path

having a straight portion and an angled leg

2851371, 285176, 285286, 285416, 285363, 285383, 165173, 165175, F16L 4702

Patent

active

049481770

ABSTRACT:
An end fitting for a serpentine heat exchanger couples an inlet or outlet port to a pair of flat tubes comprising the heat exchange core. The fitting comprises three laminated plates and a nipple coupled to an opening in the outermost of the plates. The inner plate is a header plate with slots for receiving the flat tubing. A spacer plate interconnects the outer and inner plates and has an aperture shaped to couple the port to the slots for defining a fluid flow path. The plates are stamped from aluminum sheet stock clad with a brazing alloy. The plates are assembled and secured by a steel rivet and the nipple is attached. The parts are joined by brazing. The fitting can be brazed to the exchanger core at the same time.

REFERENCES:
patent: 3326279 (1967-06-01), Eisberg
patent: 3426841 (1969-02-01), Johnson
patent: 3948315 (1976-04-01), Powell
patent: 4208529 (1980-06-01), Murray
patent: 4311193 (1982-01-01), Verhaeghe
patent: 4529034 (1985-07-01), Saperstein
patent: 4583583 (1986-04-01), Wittel
patent: 4645001 (1987-02-01), Hillerstrom
patent: 4730669 (1988-03-01), Beasley

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