Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Patent
1998-01-23
2000-06-06
Simmons, David A.
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
210384, 210403, 210413, 210415, B01D 3520, B01D 3306
Patent
active
060707399
ABSTRACT:
A filtering device includes a screen including support rods extending in the axial direction of the screen and arranged generally cylindrically with a predetermined interval, and a cylindrical filter member attached fixedly on the outside of the support rods, a vibrator including a shaft provided in the central portion of the screen coaxially with the screen and at least one leaf spring which is fixed in one end portion thereof to the shaft and is capable of abutting in the other end portion against a part of each of the support rods, and a drive unit for rotating at least one of the screen and the vibrator. In one aspect of the invention, a filtering device includes a screen including support rods extending in the axial direction of the screen and arranged generally cylindrically with a predetermined interval, and a cylindrical filter member attached fixedly on the inside of the support rods, a vibrator including a frame provided on the outside of the screen coaxially with the screen and extending in the axial direction of the screen and at least one leaf spring which is fixed in one end portion thereof to the frame and is capable of abutting in the other end portion against a part of each of the support rods, and a drive unit for rotating at least one of the screen and the vibrator.
REFERENCES:
patent: 3483974 (1969-12-01), Pearsall
patent: 4052305 (1977-10-01), Arvanitakis
patent: 4663040 (1987-05-01), Elizondo et al.
patent: 4880539 (1989-11-01), Crawford et al.
patent: 5618424 (1997-04-01), Nagaoka
patent: 5779901 (1998-07-01), Mosca
Lawrence Frank M.
Simmons David A.
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