| 摘要 |
The invention provides a valve train for an internal combustion engine, comprising an elongate anti-rotation bridge ( 16 ) acting as a retention device and a mounting aid and comprising receptions ( 18 ) for valve lash adjusters arranged spaced behind one another. A valve adjuster configured as a roller tappet ( 17 ) is arranged in each reception ( 18 ) while being directed through a tappet roller ( 22 ) toward a cam of a camshaft. The roller tappet ( 17 ) is retained for longitudinal displacement in the reception ( 18 ) and is secured against rotation through flat key surfaces arranged on its outer peripheral surface that bear against corresponding inner surfaces of the anti-rotation bridge ( 16 ). An opening ( 28 ) of the anti-rotation bridge ( 16 ) for allowing a passage of a tappet pushrod that is supported on an end of the roller tappet ( 17 ) is associated to each reception ( 18 ), and a support surface ( 27 ) limiting each reception ( 18 ) is configured in the anti-rotation bridge ( 16 ) for supporting that end of each roller tappet ( 17 ) that faces away from the tappet roller.
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