Robert F. Bourque, Ph. D., P.E.
Bourque Engineering LLC
Los Alamos, New Mexico USA
bob@rfbourque.net
505-412-0194
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A Compact Pollution-Free
External Combustion Engine
with High Part-Load Efficiency
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21. Summary
This engine is an attractive alternative to internal combustion. It is the result of several decades of study and analysis. Most of this has been for the development of very sophisticated software, and seeking design solutions that had hindered earlier attempts. No fatal flaws have been found.
However, the opportunity has never arisen to build a prototype. The time now appears right for this challenging task. The results that have been presented above should make building a prototype fairly risk-free.
It is the author’s opinion that no other engine, now in use or under development, can simultaneously lay claim to all of the following attributes:
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High part-load efficiency: high fuel economy, lower carbon dioxide emissions |
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Very wide multifuel capability and simpler fuel processing |
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Negligible NOx, hydrocarbon, CO and soot emissions |
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Reasonable weight and compactness |
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Inherently quiet operation |
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Quick starting and rapid response |
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Temperatures low enough so that exotic alloys are not needed |