A torque increase resonator (1) includes: a plurality of resonance pipes (10, 12) that extend outward from an intake passage (54) supplying air to an internal combustion engine (50); one resonance chamber (20) that is formed so that end portions of extendi...

The invention relates to an arrangement for feeding air in a supercharged piston engine (1), which air feeding arrangement comprises at least a supercharging device (4) arranged for feeding air to more than one cylinder (3), an air chamber (2) in connectio...