Exhaust species sensing method and device

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United States of America Patent

PATENT NO 6616820
APP PUB NO 20020106306A1
SERIAL NO

09737518

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gas sensor for sensing NO.sub.x having electrochemical cells wherein dielectric material surrounds electrolytes except where electrodes are attached. Thereby, the exhaust gas is effectively prevented from contacting the electrolytes of the sensor's electrochemical cells. With the use of this technique, signal cross talk is minimized while enhancing NOx sensing sensitivity. Further, the total number electrodes needed are reduced which allows for more complex sensors structures.

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Patent Owner(s)

Patent OwnerAddress
DELPHI RECHNOLOGIES INC5825 DELPHI DRIVE TROY MI 48098

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bloink, Raymond L Swartz Creek, MI 24 156
Detwiler, Eric J Davison, MI 8 55
Kennard, Frederick L Holly, MI 2 16
Kikuchi, Paul C Fenton, MI 18 108
Symons, Walter J Grand Blanc, MI 1 10
Tai, Lone-Wen F Rochester Hills, MI 5 36
Wang, Da Yu Troy, MI 56 601
Younkman, Lora Grand Blanc, MI 1 10

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