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US 2004/0069468 A1Published application
Heat exchanger and method of production
AssigneeModine Manufacturing Company
InventorsBernhard Lamich, Stanislaus Lesjak, Viktor Brost
Life of this patent
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AssigneeModine Manufacturing Company
InventorsBernhard Lamich, Stanislaus Lesjak, Viktor Brost
Estimating the term…
A heat exchanger having a manifold defined by a plurality of connected closure pieces. A corner of the manifold is defined by the connected joint of three closure pieces, where one closure piece has a bent edge abutting an end of a second closure piece adjacent a generally flat section of a third closure piece. The bent edge of the one closure piece adjacent the manifold corner is a bend in a thin portion of the one closure piece, where the thin portion has a sheet thickness which is less than the sheet thickness of the adjacent portions of the one closure piece. Multiple corners of the manifold can be formed in this manner by thinning the thin and bending the portion, then connecting the closure pieces using solder to form a seal in the open cross section at the corners.
A heat exchanger for vehicles, including a plurality of flat tubes communicating with an enclosed space defined by a plurality of connected closure pieces, said plurality of tubes having open ends secured to and extending through tube openings in one of said closure pieces, comprising a first corner of said defined space defined by the connected joint of three of said closure pieces where a first of said closure pieces has a first bent edge abutting an end of a second of said closure pieces adjacent a generally flat section of a third of said closure pieces, wherein said first bent edge of said first closure piece adjacent said first corner comprises a bend in a thin portion of said first closure piece having a sheet thickness which is less than the sheet thickness of the adjacent portions of said first closure piece.
A method of manufacturing a vehicle heat exchanger having a plurality of flat tubes having open ends secured to a manifold defined by connected closure pieces, said closure pieces being connected whereby a first corner of said manifold is defined by the connected joint of three of said closure pieces, comprising the steps of:
Dependencies are inferred from the claim text.