Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1988-06-30
1990-08-28
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29458, 295252, 295274, 29890054, 228183, B21D 5308
Patent
active
049513710
ABSTRACT:
An end fitting for a serpentine heat exchanger couples an inlet or outlet port to a pair of flat tubes comprising the heat exchanger 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 the 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: 320645 (1885-06-01), Fischer
patent: 355274 (1886-12-01), Manly et al.
patent: 2349792 (1944-05-01), Rosenblad
patent: 2528343 (1950-10-01), Davis
patent: 3324534 (1967-06-01), Spurk
patent: 3628923 (1971-12-01), White
patent: 4182408 (1980-01-01), Laber
patent: 4272006 (1981-06-01), Kao
patent: 4500030 (1985-02-01), Gerber et al.
patent: 4727935 (1988-03-01), Lapeyre
Dalo Dominic N.
Wolf Peter G.
Chin Frances
Eley Timothy V.
General Motors Corporation
Phillips R. L.
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