To provide a working gas circulation type internal combustion engine reducing working gas consumption quantity.
The internal combustion engine EG1 burns hydrogen and uses inert gas as working gas. The internal combustion engine EG1 is provided with a moisture removing device 41 and a deaeration device 44. The moisture removing device removes steam from gas discharged from a combustion chamber by condensing and liquefying steam contained in the gas and changing the same to water. The gas from which steam is removed is supplied to the combustion chamber again. The deaeration device is provided with a second reservoir chamber 44a reserving water supplied from a first reservoir chamber, returns molecular of inert gas solved in reserved water to a gas condition by keeping partial pressure of inert gas in the second reservoir chamber lower than partial pressure of inert gas in the first reservoir chamber, and supplies inert gas returned to the gas condition to the combustion chamber again.
COPYRIGHT: (C)2007,JPO&INPIT
Shinichi Mitani
Hiroshi Yaguchi
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