Plate package, method of manufacturing a plate package, use...

Details Plate package, method of manufacturing a plate package, use... Plate package, method of manufacturing a plate package, use...

2007-07-24

2007-07-24

Leo, Leonard R. (Department: 3744)

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

C165S166000, C165S167000, C165S906000

Reexamination Certificate

active

10494157

ABSTRACT:
The invention refers to a plate package for a plate heat exchanger, a method for manufacturing a plate package, a use of a plate package, and a plate heat exchanger. The plate package includes a plurality of heat exchanger plates (1), which are stacked on each other and which each includes a number of portholes. The plates (1) are compression molded and permanently connected to each other in a number of joints in such a manner that the plates between each other form a first passage for a first fluid and a second passage for a second fluid. The plate package is designed to permit at least one of the fluids to flow through the respective passages at a predetermined maximum working pressure. The plate package has an increased strength achieved by subjecting at least one of the passages to at least a local inner plastic deformation of the plate package.

REFERENCES:
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patent: 4014385 (1977-03-01), Wright
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patent: 5222551 (1993-06-01), Hasegawa et al.
patent: 5287918 (1994-02-01), Banks et al.
patent: 5307869 (1994-05-01), Blomgren
patent: 5383518 (1995-01-01), Banks et al.
patent: 5505256 (1996-04-01), Boardman et al.
patent: 0 928 941 (1999-07-01), None

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