Engine valve train device

Details Engine valve train device Engine valve train device

2005-11-22

2005-11-22

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

C123S090270, C123S090170

Reexamination Certificate

active

06966290

ABSTRACT:
In an engine valve train device in which a crankshaft sprocket25bprovided on a crankshaft8and an intermediate sprocket38adisposed in the vicinity of camshafts36, 37are connected by means of a timing chain40and an intermediate gear38bfixed to the intermediate sprocket38ais made to mesh with camshaft gears41, 42fixed to the camshafts, the intermediate gear38bis made smaller in diameter than the intermediate sprocket38aand is disposed behind the intermediate sprocket38, and furthermore, an inspection hole38c′ is formed in the intermediate sprocket38afor visualizing the meshing portion between the intermediate gear38band the camshafts gears41, 42.

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