| 摘要 |
Proposed is a switchable valvetrain ( 1 ) for an internal combustion engine, having a row of rocker arms ( 2 ) which extend in the longitudinal direction of a cylinder head, which rocker arms ( 2 ) run via a recess ( 7 ) on their upper side ( 6 ) on a head ( 8 ) of a bearing journal ( 9 ), which bearing journal ( 9 ) is axially moveably arranged in a bore ( 10 ) of a carrier ( 11 )/insert part ( 11 a) which runs above, with piston-like coupling means ( 12 ) being provided for selectively coupling the bearing journal ( 9 ) to the carrier ( 11 ).
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