Method of determination of the conditions of exhaustion of a...

Details Method of determination of the conditions of exhaustion of a... Method of determination of the conditions of exhaustion of a...

2007-11-13

2007-11-13

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

C210S085000

Reexamination Certificate

active

10895319

ABSTRACT:
A method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridges is described, in which an initial identification of impedance of the water to be filtered is provided for in order to consequently calculate an important parameter for definition of the efficient lifespan on the filtering cartridge. Furthermore a carafe operating in compliance with such method is also described.

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patent: 5458766 (1995-10-01), Ehara et al.
patent: 5900138 (1999-05-01), Moretto
patent: 6074550 (2000-06-01), Hofmann et al.
patent: 6224751 (2001-05-01), Hofmann et al.
patent: 7107838 (2006-09-01), Chai et al.
patent: WO 01/94893 (2001-12-01), None
European Search Report, Sep. 17, 2004.

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