Heat exchanger device using a two-phase active fluid, and a...

Heat exchange – Intermediate fluent heat exchange material receiving and... – Liquid fluent heat exchange material

Reexamination Certificate

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Details

C165S185000, C165S080400, C165S170000, C361S700000, C257S715000, C174S015100, C174S015200, C428S166000, C428S188000, C428S178000

Reexamination Certificate

active

06843308

ABSTRACT:
A flat sheet structured thermal device using a two-phase active fluid. The device including at least a top sheet, at least two intermediary sheets, and a back sheet stacked longitudinally. Each intermediary sheet has at least one zone etched through its entire thickness to form a gas transport channel. The etched zone being longitudinally bordered by at least one groove formed on the same sheet. The at least one groove contributing to the formation of at least one capillary channel when the sheet is covered by another sheet. The capillary channel is of a section adapted to enable the liquid phase of the fluid to be pumped therein by capillary forces. The device allows fluid to pass reversibly between the capillary channel and the gas transport channel during the liquid/gas or gas/liquid transition due to temperature variations to which at least one zone of the device is subjected.

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