Compact ceramic sensor for fuel volatility and oxygenate...

Details Compact ceramic sensor for fuel volatility and oxygenate... Compact ceramic sensor for fuel volatility and oxygenate...

2007-07-24

2007-07-24

Sines, Brian (Department: 1743)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

C436S149000, C436S150000, C436S151000, C073S001010, C073S001020, C422S050000, C422S083000, C422S068100, C422S098000

Reexamination Certificate

active

10388777

ABSTRACT:
A compact ceramic fuel property sensor comprises a plurality of laminated ceramic layers. The heater, temperature sensor, and capacitance measurement electrodes are embedded between the layers. The capacitance electrodes include interdigitated electrodes and fuel traps for containing a sample of liquid fuel disposed between the interdigitated electrodes. The dimensions of the fuel traps are selected so that the fuel traps remain filled with liquid after said sensor has been bathed in fuel. A method for monolithically preparing the sensors provides a reduced cost method and a sensor that can survive indefinitely in liquid fuel.

REFERENCES:
patent: 6463789 (2002-10-01), Moos et al.
patent: 6564624 (2003-05-01), Lin et al.
patent: 6588253 (2003-07-01), Lambert et al.
patent: 6781388 (2004-08-01), Wang et al.
patent: 6984298 (2006-01-01), Polikarpus et al.

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