MEMS emissions sensor system for a turbine engine

Details MEMS emissions sensor system for a turbine engine MEMS emissions sensor system for a turbine engine

2007-05-18

2009-08-25

McCall, Eric S (Department: 2855)

Measuring and testing

Turbine engine

Reexamination Certificate

active

07578177

ABSTRACT:
Aspects of the invention are directed to the use of microelectromechanical systems (MEMS) based emissions sensors in a turbine engine system to measure one or more emissions values associated with a gas flow in the system. The emissions value can be, for example, the temperature of a gas flow and/or the amount of a particular compound, such as carbon monoxide, in the gas flow. Due to their small size, a plurality of MEMS emissions sensors can readily be incorporated at various locations in a turbine engine system. For example, the MEMS emissions sensors can be operatively positioned in an exhaust stack, downstream of the last row of blades in the turbine section, or in the leading edge of a turbine vane. The MEMS sensors can be operatively connected to a data acquisition system, which can statistically analyze the emissions values measured by the MEMS sensors.

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