| 摘要 |
PURPOSE: A system for purifying blow-by gas and automatically injecting a combustion-aid purifier for an internal combustion engine is provided to promote the efficiency of combustion by removing engine oil and impurities from the blow-by gas during returning the blow-by gas to an intake manifold. CONSTITUTION: A combustion chamber(10) has an intake manifold(12) connected to an air cleaner(62) by an air hose(16), and a valve cover communicated with a return passage(20) connected to the air hose to exhaust blow-by gas. A filter member(30) is installed at the return passage to purify the gas in the valve cover. A tank member(40) is installed at the return passage, and has a combustion-aid purifier(42) generating bubbles by the pressure and temperature of the gas exhausted from the filter member. An air supply member(60) is installed at the air cleaner, and is communicated with the return passage. A mixing member(70) is installed at the return passage, and mixes the combustion-aid purifier and the air supplied from the air supply member.
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