Patent ID: 8413626
Filing Date: 2013-04-09
Classification: F01L

Abstract:
1. A lash adjuster, comprising: a housing having a base which defines an aperture therein, a plunger situated within said housing, a ball retainer having a generally conical chamber for retaining a ball near the base of the housing, the chamber of said ball retainer having an external shoulder near its apex for engaging said plunger via a plunger spring, wherein the external shoulder is defined by an annular ledge, and including an internal shoulder for engaging a ball spring which situates the ball within the chamber and near the aperture formed in the base of said housing, and said chamber further defining at least one aperture near its base and an additional aperture formed near its apex, wherein the external shoulder is closer to the apex of the chamber than the at least one aperture near the base of the chamber, wherein the housing and the ball retainer at least partially define an annular cavity disposed between the housing and the ball retainer, and wherein the at least one aperture provides oil flow between the aperture formed in the base of said housing and the annular cavity.