Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Reexamination Certificate
2006-09-19
2006-09-19
Flanigan, Allen J. (Department: 3753)
Heat exchange
Flow passages for two confined fluids
Interdigitated plural first and plural second fluid passages
C165SDIG039
Reexamination Certificate
active
07108053
ABSTRACT:
The invention relates to a plate-type heat exchanger having a plate block comprising partition plates which delimit flow channel layers between the plates. According to the invention, the partition plates have a solid or folded edge, which projects out of the plane of at least one main side of the partition plates at the edge side, along closed-edge regions which are spaced apart from one another in the peripheral direction by means of intervening open-edge regions. In the plate block, this solid or folded edge is joined in a fluid-tight manner to the opposite edge region of an adjoining partition plate and functions as a lateral boundary for the associated flow channel layer. Such heat exchangers may be used, for example, in automobiles and reactors of fuel cell systems.
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Bernd Lamb, “Cross Flow Energy Exchanger for Energy Recovery from Air Flows”, Oberschüler 75 Karlsruhe 31 Lindenweg 13, 7533008, Mar. 11, 1976.
Brenner Martin
Damsohn Herbert
Pfender Conrad
Behr GmbH & Co.
Flanigan Allen J.
Foley & Lardner LLP
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