| 摘要 |
<p>A hydraulic lash adjuster comprising: a hole (30) for mounting the rush adjuster, formed in a cylinder head (10) and opened upwardly; an oil gallery (32) formed on the inner periphery of the hole (30) for mounting the lash adjuster; and the main body (22) of the lash adjuster, inserted into the hole (30) for mounting the lash adjuster, locking a built-in plunger (26) by working oil introduced from the oil gallery (32) and constituting a fulcrum of rocking of a rocker arm (17) as being a valve motion member; wherein the bottom portion of the hole (30) for mounting the lash adjuster is allowed to communicate with the oil gallery (32) through an air vent (40) to secure a smooth insertion of the main body (22) of the rush adjuster into the hole (30) for mounting the lash adjuster; and the main body (22) of the lash adjuster is held in a state where the interior thereof is filled up with working oil even when the engine is stopped, so that the air is not sucked into the main body of the lash adjuster at the start of the engine.</p> |
