Patent ID: 6966292

Claim:
An air intake pipe able to increase intake of air and bendable freely for assembly, said air intake pipe comprising: a flexible fit pipe having opposing ends respectively formed with a large and a small fit hollow, said large and small fit hollow communicating with each other, said large and said small fit hollow respectively having an outer circumferential edge shrunk inward and then extending upward to form a straight neck, between said two straight necks is formed a plurality of projecting rings spaced apart at a present distance, said flexible fit pipe having flexibility and contractility and able to be bent freely; an accelerating inner pipe having a lower end inserted and secured in said small fit hollow of said flexible fit pipe, said accelerating inner pipe and said flexible fit pipe rotatable reciprocally for adjustment, said accelerating inner pipe having an upper end connected with the air intake end of an engine; and an air intake outer pipe having a diameter larger than that of said accelerating inner pipe, said air intake outer pipe having an upper end inserted and secured in said large fit hollow of said flexible fit pipe, said air intake outer pipe and said flexible fit pipe able to be reciprocally rotated for adjustment, wherein a second flexible fit pipe is fitted between the top end of said accelerating inner pipe and the air intake end of an engine.