Sensor element for determining different gas components in a...

Details Sensor element for determining different gas components in a... Sensor element for determining different gas components in a...

2006-11-16

2011-10-11

Caputo, Lisa (Department: 2855)

Measuring and testing

Gas analysis

Detector detail

C204S424000

Reexamination Certificate

active

08033160

ABSTRACT:
A sensor element for determining different gas components in a test gas, in particular in an exhaust gas of an internal combustion engine, including a lambda sensor for determining an oxygen content in the test gas, at least one semiconductor gas sensor for determining at least one further gas component in the test gas, and a multiplexer which is connected to the semiconductor gas sensor.

REFERENCES:
patent: 6451187 (2002-09-01), Suzuki et al.
patent: 2006/0108220 (2006-05-01), Betsill
patent: 0706048 (1996-04-01), None
patent: 0750192 (1996-12-01), None
patent: WO 96/26434 (1996-08-01), None
Scalwig et al., “Gas sensitive GaN/AIGaN-heterostructures”, Sensors and Actuators B, 202, vol. 87, pp. 425-530.
International Search Report, PCT International Patent Application No. PCT/EP2006/068556, dated Mar. 8, 2007.

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