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Title: Microcombustor

Abstract

A microcombustor comprises a microhotplate and a catalyst for sustained combustion on the microscale. The microhotplate has very low heat capacity and thermal conductivity that mitigate large heat losses arising from large surface-to-volume ratios typical of the microdomain. The heated catalyst enables flame ignition and stabilization, permits combustion with lean fuel/air mixtures, extends a hydrocarbon's limits of flammability, and lowers the combustion temperature. The reduced operating temperatures enable a longer microcombustor lifetime and the reduced fuel consumption enables smaller fuel supplies, both of which are especially important for portable microsystems applications. The microcombustor can be used for on-chip thermal management and for sensor applications, such as heating of a micro gas chromatography column and for use as a micro flame ionization detector.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175011
Patent Number(s):
6786716
Assignee:
Sandia Corporation
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  {A CARRIER GAS OR} AIR 
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Gardner, Timothy J., Manginelli, Ronald P., Lewis, Patrick R., Frye-Mason, Gregory C., and Colburn, Chris. Microcombustor. United States: N. p., 2004. Web.
Gardner, Timothy J., Manginelli, Ronald P., Lewis, Patrick R., Frye-Mason, Gregory C., & Colburn, Chris. Microcombustor. United States.
Gardner, Timothy J., Manginelli, Ronald P., Lewis, Patrick R., Frye-Mason, Gregory C., and Colburn, Chris. Tue . "Microcombustor". United States. https://www.osti.gov/servlets/purl/1175011.
@article{osti_1175011,
title = {Microcombustor},
author = {Gardner, Timothy J. and Manginelli, Ronald P. and Lewis, Patrick R. and Frye-Mason, Gregory C. and Colburn, Chris},
abstractNote = {A microcombustor comprises a microhotplate and a catalyst for sustained combustion on the microscale. The microhotplate has very low heat capacity and thermal conductivity that mitigate large heat losses arising from large surface-to-volume ratios typical of the microdomain. The heated catalyst enables flame ignition and stabilization, permits combustion with lean fuel/air mixtures, extends a hydrocarbon's limits of flammability, and lowers the combustion temperature. The reduced operating temperatures enable a longer microcombustor lifetime and the reduced fuel consumption enables smaller fuel supplies, both of which are especially important for portable microsystems applications. The microcombustor can be used for on-chip thermal management and for sensor applications, such as heating of a micro gas chromatography column and for use as a micro flame ionization detector.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {9}
}

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Works referenced in this record:

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