Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate
2006-04-18
2006-04-18
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
C324S690000, C073S053050
Reexamination Certificate
active
07030629
ABSTRACT:
A fluid quality sensor (20) includes a first electrode (24) that has a fluid passageway (22) that is adapted to be placed in line with at least one fluid conduit (30). A housing (40) is supported on the first electrode (24) in one example by overmolding a portion (48) of the housing onto a portion of the first electrode (24). A second electrode (50) is supported within the fluid passageway (22) and electrically isolated from the first electrode (24). The first electrode (24) and the second electrode (50) operate as a capacitor for making fluid quality determinations.
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McKenzie Isabelle
Stahlmann Daniel
Wildeson Ray
Nguyen Hoai-An D.
Siemens VDO Automotive Corporation
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