| 摘要 |
A lubricating structure of an engine for vehicle comprising a main pump for pressure-feeding a lubricating oil, and a scavenging pump for pumping the lubricating oil out of a crank room to transfer the oil, can reduce an applied load of a main pump and reduce a power loss of the pump while reducing the size of the main pump and the scavenging pump, and thus reducing the size of the entire engine. In the lubricating structure, the crank room and a transmission room are divided by a partition, an oil storage room communicating with a discharging portion of the scavenging pump is formed, and an oil passage for lubricating a transmission is formed in the transmission shaft along the shaft center and is opened to the oil storage room. The lubricating oil in the oil storage room is supplied to lubrication points on the transmission shaft through the oil passage of the transmission shaft.
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