3. Constructive achievements
In this section, we'll take a look at a few examples of the different types of shifters and variable-lift and/or variable-time distribution systems, operating in discrete or continuous mode.
3.1 Decalers
The unscramblers will be presented according to their construction principle: chain unscrambler, helical ramp unscrambler, paddle unscrambler.
With the exception of the Denso electric shifter (Lexus LS 460), shifters are generally driven by a hydraulic system. The system consists of a shifter, a hydromechanical part that modifies camshaft timing, and a solenoid valve. The latter transmits hydraulic energy from the oil pump to the shifter. It is usually mounted in the cylinder head, or directly integrated into the shifter, and is supplied...
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