Patent ID: 6837195

Claim:
A V-engine supercharging device disposed between banks of a V-engine and mounted on a cylinder head having a suction port, characterized by comprising: a rotor housing which accommodates a pair of rotors and has a discharge port in an upper portion thereof; a substantially box-shaped collector housing having a suction flow inlet connected to the discharge port of said rotor housing, a collector communicating with an interior of said rotor housing through the suction flow inlet, and an upper opening; a plurality of suction pipes which are arranged on two sides of said rotor housing in a directions of axes of said rotors at a predetermined distance and through which said collector and the suction port of said cylinder head communicate with each other; a collector cover which covers the upper opening of said collector housing; and flanges projecting to two sides of said rotor housing in the directions of axes of said rotors and integrally connected to suction flow outlets of said suction pipes, wherein said rotor housing, collector housing, and suction pipes are integrally formed by aluminum alloy casting, and lower surfaces of said flanges are attached to an upper surface of said cylinder head.