Closed type crank box forced ventilation pipe for internal combustion engine

• Main Authors: WAN JIZHENG, CHAI LINGDAO
• Format: Patent
• Language: Chinese; English
• Published: 28.11.2007
• Subjects: BLASTING; CRANKCASE VENTILATING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; LUBRICATING INTERNAL COMBUSTION ENGINES; LUBRICATING OF MACHINES OR ENGINES IN GENERAL; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The utility model discloses a combustion engine closed crankcase forced-ventilation pipeline which comprises the air inlet system and the air outlet system, wherein the air inlet system is equipped with an air inlet pipe and an air inlet passage communicate with the internal cavity of the crankcase. The top of the crankcase is positioned with a cylinder cover, with the air inlet passage formed with the cavity between the external wall of the cylinder cover and the internal wall of the cylinder hood for the cylinder cover. One end of the air inlet pipe communicates with the air filter, wherein the air filter communicates with the combustion engine intake manifold, and the other end of the air inlet pipe passes through the cylinder hood and communicates with the inlet passage; the air outlet system is positioned with the outlet pipe and the outlet passage communicating with the cavity of the crankcase; one end of the outlet pipe communicates with the intake manifold, with the air outlet passage formed with anot