Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Reexamination Certificate
2007-03-13
2007-03-13
Lu, Jiping (Department: 3749)
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
C034S082000, C034S565000, C034S566000, C034S570000, C392S487000, C392S489000, C392S492000
Reexamination Certificate
active
10832455
ABSTRACT:
A dehumidification apparatus including an outer tubular container (2) closed at its ends, a first (5) and a second (9) transverse grids located inside the tubular container (2), one grid element being spaced from the other and from a respective adjacent end of the tubular container (2) and delimiting a receiving space therewith, a mass of molecular sieves (MS) located in the receiving space, heating elements (19) in the tubular container (2), and first and second openings (4, 16) for communication of the interior of the container with the outside, characterised in that it comprises an inner tubular jacket (6) extending from at least the first grid (5) for a distance greater than that between the first (5) and the second (9) grid, thereby shaping the receiving space for the sieves (8) as an annular gap and providing a projecting section (6a) extending from the second grid (9); and an annular partition (17) between the outer container (2) and the inner jacket (6) at the projecting section (6a) of the inner jacket (6), thereby delimiting an annular manifold space (7) with the second grid element (9) communicating with the outside through the first opening (4), and an end space (7a) adjacent to the second end of the external container (2) communicating with the interior (18) of the inner jacket (6) and with the outside through the second opening (16).
REFERENCES:
patent: 2861873 (1958-11-01), Worn
patent: 3621585 (1971-11-01), Robertson
patent: 4413426 (1983-11-01), Graff
patent: 5182871 (1993-02-01), Karls
patent: 4234696 (1993-05-01), None
patent: 2.224.269 (1974-10-01), None
patent: 01263362 (1996-08-01), None
Lu Jiping
Moretto S.P.A.
Nixon & Vanderhye P.C.
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