System, apparatus, and method for guiding an exhaust gas

Details System, apparatus, and method for guiding an exhaust gas System, apparatus, and method for guiding an exhaust gas

2006-08-15

2006-08-15

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Sampler, sample handling, etc.

Flow divider, deflector, or interceptor

C073S864330, C073S023310

Reexamination Certificate

active

07089811

ABSTRACT:
An exhaust guide guides exhaust gases within an exhaust system to an intake portion of a sensor when an input port and an output port of the exhaust guide are positioned within an exhaust gas flow. A high pressure region formed at the input port and a low pressure region formed at the output port facilitate the flow of the gases through a chamber housing that at least houses the intake portion of the sensor. Contamination of the sampled gases by outside air is minimized. In some configurations, the sensor is mounted outside of the exhaust system to increase the thermal isolation between the sensor and the exhaust system improving the performance and increasing the useful life of the sensor.

REFERENCES:
patent: 3803921 (1974-04-01), Dieterich
patent: 4534213 (1985-08-01), Mirikidani
patent: 5625156 (1997-04-01), Serrels et al.
patent: 5834657 (1998-11-01), Clawson et al.
patent: 6432288 (2002-08-01), Nielsen et al.
patent: 6843105 (2005-01-01), France

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