The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2001
Filed:
Sep. 30, 1998
Gerald Tanny, Rehovot, IL;
Osmotek Ltd., Rehovot, IL;
Abstract
There is provided in accordance with the invention a method for filtering comprising the steps of: providing a filter assembly comprising a depth filter and at least one microporous membrane; determining an optimal fluid velocity of the filter assembly by the steps of: operating identical filter assemblies at different constant fluid velocities, each for a time duration which terminates when a given total pressure drop is reached thereacross; noting the total throughput for such time duration; and based on the total throughput for each of said different constant fluid velocities, establishing a functional relationship between fluid velocity and total throughput for said filter assembly; and operating the filter assembly at a constant fluid velocity which corresponds to a desired total throughput. In a preferred embodiment, the filter assembly has a selectable filter area and the method further includes the step of selecting the filter area for the filter assembly which enables a desired flow rate to be realized for operation of the filter assembly at the fluid velocity which corresponds to the desired total throughput.