| 摘要 |
A lash adjusting system for internal combustion engines which can adjust valve clearances of intake and exhaust valves by only one lash adjuster, in which the lash adjusting system for a combustion engine having a cylinder head and a valve train for opening or closing an intake valve or an exhaust valve including a guide member fixed on the cylinder head and having openings at its both ends; a pair of plungers slidably disposed in the guide member, the plungers applying a force in opposite direction of each other respectively; a pair of levers respectively receiving a force from one of the plungers and making a front end of the rocker arm be in contact with a stem of the intake or exhaust valve; a common chamber for receiving a hydraulic fluid applying a pressure to one of the plungers to maintain a contacting force of the rocker arm and the valve stem; a pair of independent chambers communicated with a hydraulic pressure passage and receiving the hydraulic fluid to supply again the hydraulic fluid exhausted from the common chamber when the valve is lifted; and check ball means disposed between the each independent chamber and the common chamber to supply the hydraulic fluid of the independent chamber for the common chamber.
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