| 摘要 |
PURPOSE: An auxiliary lubricating system of an engine piston is provided to supply oil to a wall of a combustion chamber by reciprocating a piston containing oil inside when an engine is initially operated. CONSTITUTION: A plurality of piston rings(1) are formed in a piston(P). A sealing ring(1") is provided in compression rings(1') of the piston rings(1). An oil storing device(10) is formed at a lower portion of the sealing ring(1"). Oil is introduced into the oil storing device(10) from a wall of a combustion chamber. A discharging device(20) is provided to discharge oil towards the wall of the combustion chamber. The oil storing device(10) has a storing space(10a), an oil passage(10b) and a stopping space(10c). The discharging device(20) includes a mobile mass(21), a wax(22) fixed to the mobile mass(21) and a spring(23) provided in a resting hole formed below the stopping space(10c).
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