Liquid filtration system and replaceable filter cartridge usable

Details Liquid filtration system and replaceable filter cartridge usable Liquid filtration system and replaceable filter cartridge usable

1998-02-26

2000-04-18

Drodge, Joseph W.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

96417, 210 87, 210 91, 210100, 7386177, B01D 1712, B01D 3543

Patent

active

060511443

ABSTRACT:
A filter cartridge is capable of at least one-way communication with the base of a filtration system so as to confirm that the filter cartridge is properly configured for installation and use in the filtration system. Transmission and receipt of a filter presence confirmation signal can enhance the effectiveness of the filtration system, e.g., by disabling one or more operational characteristics of the system in the absence of a confirmation signal, and/or by automatically resetting one or more counters of a capacity indicator of the system upon receipt of the confirmation signal. The filter cartridge is particularly well-adapted for use in a filtration system having a flow meter which monitors the flow of liquid through the system. In this case, the filter cartridge is operative to transmit signals to a detector on the associated base, and the operation of the flow meter and of the associated capacity indicator vary depending upon whether or not a filter presence confirmation signal is acquired by the detector.

REFERENCES:
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patent: 5622618 (1997-04-01), Brane et al.
patent: 5628895 (1997-05-01), Zucholl
patent: 5674381 (1997-10-01), Den Decker
patent: 5823229 (1998-10-01), Bertrand et al.

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