Fluid filters having a concealed machine-readable...

Details Fluid filters having a concealed machine-readable... Fluid filters having a concealed machine-readable...

G - Physics

06

K

G06K 19/06 (2006.01) B01D 27/10 (2006.01) B01D 46/42 (2006.01) G06K 1/00 (2006.01)

Patent

CA 2349275

An intake filter (1) or a coalescing filter (4) of a compressor or vacuum pump, or an in-line filter has its identity recorded in a transponder (50, 54), memory chip or other device such as a magnetic or magnetostrictive strip. Interrogation e.g. by means of antennae (52, 56) enables a control unit (55) to verify the identity of the filter and to store the result in memory (57). A record can therefore be maintained of whether approved filters are being used and whether they are exchanged at approved intervals.

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