| 摘要 |
<p>A high-pressure pump for feeding fuel to an internal-combustion engine is provided with at least one cylinder (8), a piston (9) sliding inside the cylinder (8), and a spring unit (34) coupled with the piston (9); the spring unit (34) comprises a spring (35) and a disc (36) which, during use, is arranged abutting against one end (56a) of the spring (35); the disc (36) is provided with an eyelet (50) engaged, during use, by the piston (9); the eyelet (50) extends substantially along an axis (C) and is provided with a constriction (60) in the direction perpendicular to the axis (C), which divides up the eyelet (50) into a first lobe (61) and a second lobe (62), having a maximum width (L2) smaller than the maximum width (L1) of the first lobe (61); the disc (36) is provided with at least one first locking element (53; 54) configured to prevent the relative sliding of the disc (36) and the piston (9) along the axis (C) when the piston (9) is engaged with the second lobe (62).</p> |
