Inductive liquid-level sensor

Details Inductive liquid-level sensor Inductive liquid-level sensor

2009-06-09

2011-12-27

Williams, Hezron E (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Float

C340S623000

Reexamination Certificate

active

08082785

ABSTRACT:
An inductive liquid-level sensor employs a central shaft supporting multiple independent electrical loops that may be interrogated to detect the proximity of the conductive element in the float rising and falling with changes in liquid height outside of the shaft.

REFERENCES:
patent: 4627280 (1986-12-01), Hayashi et al.
patent: 5815091 (1998-09-01), Dames et al.
patent: 2001/0054312 (2001-12-01), Czarnek
patent: 2002/0157465 (2002-10-01), Marioni
patent: 2007/0186648 (2007-08-01), Harmon et al.

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