FIELD: machine building.
SUBSTANCE: supercharger (1) of a wave supercharging system for compressing fresh air (2a) for an internal combustion engine, comprising cold gas chamber (6), hot gas chamber (7), and rotor chamber (11) located between them, with cellular rotor (8) configured for rotation inside rotor chamber (11), hot gas chamber (7) comprising high-pressure waste gas channel (4) and channel (5) for low pressure waste gases, cold gas chamber (6) includes fresh air channel (2) and charge air channel (3), high pressure waste gas channel (4), low pressure exhaust gas channel (5), fresh air channel (2) and charge air channel (3) are fluidly connected to cellular rotor (8), cold gas chamber (6) including cellular rotor bearing (14), and cellular rotor (8) is connected to shaft (12) of rotor, rotor shaft (12) rests on the bearing (14) of the cellular rotor, and cellular rotor (8) is divided in the direction of passage of the rotor shaft (12) and includes at least the first portion (8a) of the cellular rotor and the second portion (8b) of the cellular rotor.
EFFECT: technical result is to improve the cold start performance of the engine.
16 cl, 14 dwg
