Patent ID: 9574488
Date: 2017-02-21
CPC Classifications: F02B,F02M,Y02T

Claim:
1. An intake system for an engine, comprising: a throttle body; at least two primary branch pipes extending from the throttle body; and a plurality of secondary branch pipes extending from respective primary branch pipes into at least two of a plurality of cylinders configuring one engine, wherein the primary branch pipes are provided with separate second chambers accommodating air in order to form an entire volume of the primary branch pipes, wherein the primary branch pipes are spirally twisted from a rear end of the throttle body and have the second chambers positioned at the center of a spiral portion of the primary branch pipes, and wherein the second chambers are formed in a vessel shape in which each of semi-circular predetermined cross section shapes thereof is lengthily extended along a spiral central axis of the primary branch pipes to form one cylindrical appearance.