- from the cylinder,
polluting the intake-manifold with
exhaust, in
worst cases.
Early variable valve timing systems used
discrete (stepped) adjustment...
-
engine speeds. A cut open VGT
turbocharger (VW Golf, Diesel)
Exhaust side with
variable-geometry
guide vanes charge air side with
compressor wheel Turbo...
- and
provides effective valve-operating force.
Variable exhaust brake Exhaust brake &
turbo ****embly
Exhaust brake shutter ****embly Ma, J., Chen, Y., Yu...
- red)
Transparent exhaust manifold and
turbo scrolls on a
Hyundai Gamma engine,
showing the
paired cylinders (1 & 4 and 2 & 3)
Variable-geometry turbochargers...
-
scavenger pumps Variable intake:
butterfly valve in
carbon fibre intake manifold closed at low rpm, open at high rpm
Variable exhaust:
butterfly valve...
-
systems are used on
intake and
exhaust camshafts.
Since 2001,
VANOS is
often used in
conjunction with the
Valvetronic variable valve lift system.
VANOS is...
- or
exhaust camshaft. (Engines that have VCT on both
camshafts are now
designated as Ti-VCT.↓) The use of
variable camshaft timing on the
exhaust camshaft...
-
ratio on the byp**** (or
mixed exhaust) stream. At low airspeeds, such a
setup causes the
nozzle to act as if it had
variable geometry by
preventing it from...
- The
engine was
updated in 2005 as the VQ35DE Rev-Up. It
included variable exhaust timing, a
higher rev limit, and a
revised oil pump,
boosting the output...
- and
exhaust cams have
three cam
lobes per cylinder. However, the
valvetrain has the
added benefit of
roller rockers and VTC
continuously variable intake...
