Gas separation: apparatus – Degasifying means for liquid – Defoaming means
Reexamination Certificate
2007-07-03
2007-07-03
Smith, Duane (Department: 1724)
Gas separation: apparatus
Degasifying means for liquid
Defoaming means
C095S242000
Reexamination Certificate
active
11066230
ABSTRACT:
A defoaming apparatus comprises, in juxtaposition, a defoaming treatment chamber internally provided with a defoaming unit for defoaming, as a result of a rotation of a impeller in a casing having a suction port and discharge ports, by suctioning foam of a foaming liquid via the suction port of the casing and colliding the suctioned foam against an inner circumferential surface of the casing by centrifugal force of the impeller and a substantially closed-type tank for housing a foaming liquid, wherein the suction port of the defoaming unit is located in a foam phase region of the tank.
REFERENCES:
patent: 4110089 (1978-08-01), Muller
patent: 4139350 (1979-02-01), Sotirianos
patent: 5143525 (1992-09-01), Sotirianos
patent: 11-9903 (1999-01-01), None
Hotani Co., Ltd.
Smith Duane
Theisen Douglas J.
Wenderoth , Lind & Ponack, L.L.P.
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