Patent ID: 9359980
Filing Date: 2016-06-07
CPC Classification: F02M,Y02T

Claim Text:
1. An intake system, comprising: a plurality of branch pipes which are arranged one next to the other and communicate at downstream ends thereof with a plurality of intake ports provided in an engine, respectively, each branch pipe extending from the downstream end thereof to an upstream end thereof in a curved manner such that a space is defined between the branch pipes and the engine, each branch pipe having an upstream section including the upstream end of the branch pipe and a downstream section including the downstream end of the branch pipe; an intake chamber communicating with the upstream ends of the branch pipes; and an intake air introduction pipe having a downstream end communicating with the intake chamber, wherein the intake air introduction pipe comprises: a downstream section disposed between the upstream sections of adjacent two of the branch pipes and extending from the downstream end of the intake air introduction pipe along the upstream sections of the branch pipes; and an upstream section which curves from an upstream end of the downstream section and extends in a substantially horizontal direction in the space defined between the branch pipes and the engine, the upstream section having an upstream end projecting out in the substantially horizontal direction.