| 摘要 |
The inventive hydraulic tappet consists of a cup-like tappet body (10) including an inner annular crown element (20) in which a piston (30) is guided. In the space(50), formed between the peripheral wall (12) of the tappet body (10) and said inner annular crown element (20), is clipped a resiliently deformable diaphragm (60) defining two concentric outer and inner annular wells (52, 54) for allowing oil, under a low-pressure condition, to overflow from the annular outer well (52) into the inner well (54), so that in the inner well (54) a deaerated oil amount sufficient to supply a low-pressure inner tank (36) of the tappet will be held. <IMAGE> |
