Reinforced header plate for a heat exchanger

Details Reinforced header plate for a heat exchanger Reinforced header plate for a heat exchanger

1995-05-23

1996-02-20

Flanigan, Allen J.

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

165906, 29890052, F28F 902

Patent

active

054921724

ABSTRACT:
A header plate, which forms one wall of the internal space of a fluid header for a cooling radiator for air used in supercharging a motor vehicle engine, has apertures through which the fluid flow tubes of the heat exchanger extend. These apertures are formed in an elongated flat region of the header plate, which is joined to raised side flanges through respective curved regions. The material of the header plate is press-formed, on the same side as the concavity of these curved regions, in zones which are aligned in the transverse direction of the header plate and which extend over at least the whole length of arc of each of the curved regions. The deformation resulting from this press-forming operation causes local thickening of the material, which reinforces the plate in its curved regions and inhibits any tendency to fracture along the generatrices of the curved regions due to mechanical and thermal stresses encountered in operation.

REFERENCES:
patent: 4582127 (1986-04-01), Moranne
patent: 4881594 (1989-11-01), Beamer et al.
patent: 5107926 (1992-04-01), Calleson
patent: 5193613 (1993-03-01), Wallis
patent: 5228512 (1993-07-01), Bretl et al.
patent: 5297624 (1994-03-01), Haussmann et al.

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