| 摘要 |
PROBLEM TO BE SOLVED: To provide a working gas circulation type hydrogen engine capable of suppressing the deterioration of an engine lubricating oil or generation of sludge by water vapor contained in blow-by gas and operating at high efficiency without supplying water vapor of small ratio of specific heat to a combustion chamber. SOLUTION: This hydrogen engine supplies hydrogen, oxygen and argon gas of large ratio of specific heat and of monoatomic molecule serving as a working gas to a combustion chamber 21 to self-fire and burn the hydrogen. Exhaust gas is supplied to a condenser 65 through No.1 passage 61. Blow-by gas is supplied to the condenser 65 through a passage in the main body 71, a check valve 72a and a blow-by gas supply passage 72. Water vapor H<SB>2</SB>O contained in the exhaust gas and the blow-by gas is liquefied/separated at the condenser 65. The exhaust gas and the blow-by gas with the water vapor H<SB>2</SB>O separated (eliminated) are supplied from the condenser 65 to the combustion chamber 21 again through No.2 to No.4 passages 62 to 64. COPYRIGHT: (C)2008,JPO&INPIT
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