Gas separation: processes – Degasification of liquid – Emulsion breaking or multiple liquid separating
Reexamination Certificate
2008-01-29
2008-01-29
Hopkins, Robert A. (Department: 1724)
Gas separation: processes
Degasification of liquid
Emulsion breaking or multiple liquid separating
C096S186000, C055S428100, C055S432000, C055S433000
Reexamination Certificate
active
07323037
ABSTRACT:
The device (6) includes a sealed casing (10) provided, in its lower part, with a bowl (22) for collection of a residual liquid, and an assembly (30) for purging the residual liquid which comprises means for evacuation of the liquid collected in the bowl and means for connecting the casing to the open air. The means for evacuation of the liquid include an orifice (36) formed in the wall of the casing substantially at the level of the bottom of the bowl (22). The means for connection to the open air include an orifice (34) formed in the wall of the casing (10) substantially opposite the orifice (36) for evacuation of the liquid. A single obturator (40) is displaceable between a sealing position in which, on the one hand, its upper part forms a tight plug (42) for the orifice for entry of air (34) and, on the other, its lower part forms a tight plug (48) for the orifice for evacuation of the liquid (36), and a position for purging the liquid in which, on the one hand, its upper part is disengaged from the orifice for entry of air to allow connection of the casing to the open air and, on the other, its lower part is disengaged from the orifice for evacuation of the liquid to allow gravity purging of the casing.
REFERENCES:
patent: 3574085 (1971-04-01), Woelflin
patent: 4491120 (1985-01-01), Hodgkins
patent: 5698098 (1997-12-01), Ernst et al.
patent: 5855772 (1999-01-01), Miller et al.
patent: 2698411 (1994-05-01), None
patent: 157669 (1921-01-01), None
Delphi Technologies Inc.
Hopkins Robert A.
Wood David P.
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