Fluid treating method and apparatus

Details Fluid treating method and apparatus Fluid treating method and apparatus

2007-07-10

2007-07-10

Reifsnyder, David A. (Department: 1723)

Liquid purification or separation

Magnetic

With additional separator

C210S323100, C210S331000, C210S332000, C210S333010, C210S351000, C210S352000, C210S356000, C210S411000

Reexamination Certificate

active

10792039

ABSTRACT:
A fluid treatment method includes the steps of forming a ring lamination by laminating a plurality of filtering rings with contact surfaces facing each other in a laminating direction; providing at least portions of the filtering rings with a contact surface roughness (Ra) in a range of about 0.01 μm to 20 μm; pressing the ring lamination under a contact surface pressure (p) within a range from 0 to 177 kg/cm2in the laminating direction of the filtering rings to cause the contact surfaces to closely adhere to each other; directing an object fluid into gaps formed by contact surfaces of neighboring filtering rings of the ring lamination; and dividing the object fluid into a first separated fraction and a second separated fraction for separation. An apparatus for carrying out the method includes a ring lamination, a housing therefor, a ring press for acting on the ring lamination under a prescribed pressure, an object fluid source, and a pressure source for impressing a prescribed pressure on the object fluid.

REFERENCES:
patent: 59-132911 (1984-07-01), None
patent: 62-14911 (1987-01-01), None
patent: 63-126509 (1988-05-01), None
patent: 6-154515 (1994-06-01), None
patent: 10-52608 (1998-02-01), None
Patent Abstracts of Japan-English Abstract and Constitution for Japanese Unexamined Patent Application No. 63-126509, published May 30, 1988.
Patent Abstracts of Japan-English Abstract and Constitution for Japanese Unexamined Patent Application No. 59-132911, published Jul. 31, 1984.
PTO:2006-6884-Translation of Japanese Unexamined Patent Application No. 59-132911 published Jul. 31, 1984.
International Search Report dated May 13, 2003 (1 page).

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