The Study of a Heat Insulated Engine Constructed by Ceramics Engine Parts

  • Hideo Kawamura


The development of ceramic engine that started from the 1970s has been gradually toned down despite continuous enthusiastic expectation held to date. The most reason for making us to be disappointed with development of the ceramic engine is that its characteristic required with respect to engine technology does not coincide with the basic property of ceramics. The author has advanced the development of ceramic engine and its parts fot the last 10 years or so. In recent years, a systematic evaluation of the ceramic material that satisfies the strength required of ceramic engine components and a survey of strength of the ceramic parts after grinding have been executed, while at the same time as a result of thorough calculation of the stress of engine members by using F. E. M., the author has successfully developed the parts satisfying mechanical and thermal requirements and successfully executed the operation of a heat insulated engine without cooling system by using the superior characteristic of ceramics in thermal resistance. Further, the frictional characteristic of the ceramics has been investigated for the development of a low frictional engine.

On the other hand, as a result of operating the heat insulated engine using heat resistive ceramics in the inner wall of the combustion chamber, it was found that the air temperature rose, the combustion and the exhaust gas deteriorated. In order to resolve these matters, the author clarified the transition of high temperature combustion, examined a means of improving the combustion efficiency, and searched for the feasibility of the improvement.


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Copyright information

© Elsevier Science Publishers Ltd and MPA Stuttgart 1992

Authors and Affiliations

  • Hideo Kawamura
    • 1
  1. 1.Isuzu Ceramics Research Institute Co., Ltd.FujisawaJapan

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