Nobody is saying or suggesting there is a clutch in a turbocharger (ie between the turbine and the compressor).Facts Only wrote:There are definitely no clutches in the current turbochargers. Source; first hand knowledge.
Instead, it is pointed out that there is a possibility of fitting a clutch in between the turbo's shaft and the shaft of the MGU-H (which is the electrical motor that either taps energy from the shaft's rotation or otherwise speeds it up by using electrical energy from the battiers.