Gas separation: apparatus – Degasifying means for liquid – Including means to remove mist entrained in gas
Reexamination Certificate
1998-11-04
2001-01-09
Smith, Duane (Department: 1724)
Gas separation: apparatus
Degasifying means for liquid
Including means to remove mist entrained in gas
C055S434200, C055S445000, C055S462000, C055S466000
Reexamination Certificate
active
06171379
ABSTRACT:
FIELD AND PURPOSE OF THE INVENTION
This invention relates to a separator for separating water from a flow of fluid that contains droplets of water, of a type comprising at least one inclined deflecting surface, mounted within a flowing path for the fluid, advantageously shaped as a channel, in such a manner that the droplets are separated from the fluid when this fluid is deflected by the deflecting surface.
Separators of this type are already known. They have however a drawback in that the water which is separated from the flow of fluid and which flows along the deflecting surface is again carried by the fluid along the lower edge of the surface, in particular when the fluid is caused to flow at a high speed.
The present invention has for its purpose to provide a separator of the above defined type which remedies the above mentioned drawback of the known separators.
To reach the above purpose, the separator for separating water from a water droplet containing flow of fluid is characterized in that the deflecting surface comprises collecting recesses connected to an under-pressure space in which prevails an under-pressure with respect to the pressure in a fluid flowing channel.
According to one feature of the invention, the deflecting surface is formed by the surface of at least one hollow plate having a deflecting wall that is provided with traversing recesses and the inside of which communicates with the under-pressure space and a device for collecting water.
According to an advantageous feature of the invention, the deflecting surface is formed by a plurality of inclined hollow plates, arranged so that to be shifted the one with respect to the other, perpendicularly to the flow of fluid, with a slight overlapping, in the axial direction of the flow of fluid, of the downstream and upstream edges of two adjacent plates.
According to another advantageous feature of the invention, the recess is formed by a longitudinal slot arranged near the downstream edge of a deflecting surface.
According to still another advantageous feature of the invention, the deflecting surface is covered with a layer of hydrophilic material for avoiding a formation of droplets of water on the deflecting surface.
According to still another feature of the invention, the separator is placed at the outlet of a heat exchanger, in the transition part from the flowing outlet with great cross sectional area to the flowing sheath of smaller area, the inclined deflecting surface being advantageously formed by portions of the transition part.
REFERENCES:
patent: 3254475 (1966-06-01), Farr et al.
patent: 3868830 (1975-03-01), Fletcher et al.
patent: 1197198 (1985-11-01), None
patent: 1092348 (1967-11-01), None
patent: 2199 260 (1988-07-01), None
Hopkins Robert A.
Leydig , Voit & Mayer, Ltd.
Smith Duane
Societe d'Etudes et de Constructions Aero-Navales
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