Supercharging system

摘要

A supercharging system (40) is disclosed which comprises a supercharging device (28) having at least one inlet port (42) and at least one outlet port (44), and at least one idle valve (30) in fluid communication with the supercharging device (28). The idle valve (30) is disposed adjacent the outlet port (44) and is arranged to selectively restrict fluid flow during use in a direction through the idle valve (30) towards the supercharging device (28). A corresponding supercharging kit and an internal combustion engine including a supercharging system are also disclosed.