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For well over a century now, humans have been using internal combustion engines. Without any doubt, Otto- and Diesel engines have contributed substantially to the generally greatest advance in the standard of living in the recent history of industrialisation. However, engine technology with internal combustion will reach its limits if the quality of the fuels doesn´t match the requirements of the engine. The technology restricts the scope of application of the engines largely to the use of highly processed, primarily fossil fuels. In addition, more recent findings show that compliance with emission regulations can only be achieved with a high or additional expenditure.


For reasons of protecting the environment and natural resources, frauscher thermal motors decided to conduct research on stationary engines with external combustion. We know that atmospheric combustion provides comparatively the best conditions for high exhaust quality. The potential for using economical biogenic fuels opens one of several market niches with particularly high environmental relevance – the clean disposal of gases containing methane or other waste fuels along with the extraction of valuable energy in the form of electricity and low-temperature heat.



Throughout a long period in our engine development, we believed that we could provide the market with modules without a burner device. Consequently, the customers would have had to develop the generation and transfer of heat energy on their own. With a progressive introduction to the problem involving the efficient transfer of heat into the heat exchanger of the Stirling engine and the increasing sensitivity for pollutants in exhaust gas, we became convinced that we must take control of the interface heat transfer and heat generation ourselves and provide modules that are ready for operation.


We have already been able to register the first, highly promising success. However, issues like clean, environmentally friendly combustion, preheating combustion air, thermal material stress and the efficient transfer of heat to the engine are still challenging. Ultimately, we are planning ready-to-connect CHP units with defined interfaces. Long-term testing is conducted on our new test stands, and will subsequently be expanded to external companies. They enable us to get a clear picture of the performance parameters and downtimes in the context of an open and honest business policy with our future customers.


frauscher thermal motors GmbH
A-4774 St. Marienkirchen
Gewerbestraße 7

T: +43 7711 318 20-0
E: are-info-xya34[at]


Our opening hours:

Monday to Thursday: 07:00 - 11:45 und 12:30 - 16.30 Uhr

Friday: 07:00 - 11.45 Uhr






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