Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1991-04-18
1992-08-18
Cuda, Irene
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
29890053, 29726, B21D 5302
Patent
active
051387646
ABSTRACT:
A machine with counter-rotating rotors moves heat exchanger plates two at a time with vacuum assist through paths which converge in a vertical mating plane. Arcuate guides engage the plate ends to control the plate path. The rotors are servomotor controlled to synchronously index the rotor in increments separated by dwell periods. After assembly the merged pairs drop between spaced guides into an assembly fixture. At a subsequent brazing operation each plate pair becomes a tube for carrying refrigerant.
REFERENCES:
patent: 4592414 (1986-06-01), Beasley
patent: 4846268 (1989-07-01), Beldan
patent: 4860421 (1989-08-01), Breda et al.
patent: 4900328 (1990-02-01), Breda et al.
patent: 4901414 (1990-02-01), Breda et al.
patent: 4915163 (1990-04-01), Matsunaga et al.
Breda Michael A.
Snyder George K.
Cuda Irene
General Motors Corporation
Phillips Ronald L.
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