James
The most common way I've seen is a chain/belt tensioner on the tight side of the
chain/belt
activated by a hydraulic cylinder.
As the cylinder pushes the tensioner the tight side of the chain/belt effectively
becomes shorter
therefore advancing the cam timing. As the revs go up the more the cam advances. This
is all
controlled by the engine computer.
There are other variations on this theme.
--
Ritchie Williams
Manager - Design Technology
Vertex Pacific Limited
696 Te Rapa Rd
Private Bag HN3044
Hamilton
New Zealand
ph 64 7 8493 999
fax 64 7 8498 764
e-mail [EMAIL PROTECTED]
James Cox wrote:
> Ok I know this is a little off topic, but does anyone know how VCT physicaly
> works? Yes I know about the benifits of advanced timeing at higher revs, I
> was just curious how they do this mechanicly in the new engines.
>
> James Cox
>
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