Robust Exhaust Gas Sensing System Using Advanced Thin Film Chemical Sensors

Makel Engineering, Inc.

Chico,CA

Low cost, miniature, MEMs based chemical sensor system for monitoring key exhaust species. (NOx, CO, O₂ )

• Prototype Micro Electro Mechanical Systems (MEMS) sensor module demonstrated with full integrated "smart sensor" electronics
• Bench and feasibility testing successfully completed
• Sensor system performance demonstrated in engine testing conducted with gas turbine engine
• Partnered with Case Western Reserve University

• Testing planned with a manufacturer of large stationary gas turbines and manufacturer of microturbines for distributed power generation
• Joint development agreement with a major Ohio based fuel products OEM for application to exhaust measurements in reciprocating engines
• Production facility to support production up to 20,000 units per year, has been completed
• Phase III funding of $7K from NASA Glenn
• Space Act Agreement from Glennan Microsystems of $700K ($150K - NASA Dryden purchased sensors)

• Jet engine emissions monitoring for NASA
• Arnold Engineering and Development Center/U.S. Air Force for performance measurements (thrust and combustion efficiency) in exhaust of vectored jet engines with afterburner
• EPA and DOE for NOx measurements of diesel engines
• Potential application to indoor air quality monitoring in buildings and vehicles

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Curator: STTR Support