Ventilation – Means combined with window – Having air passage between sill and bottom of sash
Reexamination Certificate
2007-07-03
2007-07-03
Boles, Derek S. (Department: 3749)
Ventilation
Means combined with window
Having air passage between sill and bottom of sash
C454S198000, C454S200000
Reexamination Certificate
active
10512449
ABSTRACT:
A dewpoint cooler comprises: a first air circuit and a second air circuit coupled thereto via a heat-conducting wall, through which two circuits can flow two media, wherein the second medium contains a gas, heat-conducting wall break-up means for breaking up at least the thermal boundary layer (50), the laminar boundary layer and the relative humidity boundary layer in both media, which break-up means comprise heat-conducting protrusions; wherein the surfaces of said wall and the break-up means are covered with a hydrophilic coating, which can absorb an evaporable liquid, retain it and relinquish it again (100), such that the wetted coating, the heat-conducting surfaces and the break-up means are cooled. A wetting (150) unit for subjecting the secondary medium to wetting by the evaporable liquid such that evaporated liquid entrained by the secondary medium extracts heat from the primary medium via the wall.
REFERENCES:
patent: 1622131 (1927-03-01), Crispin
patent: 4094935 (1978-06-01), Walker et al.
patent: 4351781 (1982-09-01), Blatter
patent: 4386038 (1983-05-01), Walker
patent: 5285654 (1994-02-01), Ferdows
Boles Derek S.
Howrey LLP
Owen David P.
Oxyoell Holding B.V.
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