Patent ID: 11946393
Assignee: PIAGGIO & C. SPA
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 5:
6. The camshaft according to claim 5, wherein said third pipe and said fourth pipe comprise a first secondary pipe and a second secondary pipe and a third secondary pipe and a fourth secondary pipe, respectively, wherein with said slide valve in said first position, said first secondary pipe and said second secondary pipe are put into communication with said first through hole and said first pipe, respectively, said second through hole is put into communication with said third secondary pipe, while the communication between said fourth secondary pipe and said first pipe is obstructed by the side wall of said hollow body, and wherein, with said slide valve in said second position, said third secondary pipe and said fourth secondary pipe are put into communication with said second through hole and said first pipe, respectively, said first through hole is put into communication with said first secondary pipe, while the communication between said second secondary pipe and said first pipe is obstructed by the side wall of said hollow body.