Patent ID: 7140349

Claim:
A multi-throttle apparatus, comprising: a throttle body that defines a plurality of intake passages corresponding to respective engine cylinders; a plurality of throttle valves that are disposed respectively in said plurality of intake passages; a throttle shaft that supports said plurality of throttle valves to be simultaneously opened/closed; drive means that includes a motor for rotatably driving said throttle shaft; and a return spring that returns said throttle valves to a predetermined angular position, wherein said drive means is disposed to apply a driving force to said throttle shaft at a location in a mutual interval close to the center, said mutual interval being one of mutual intervals between said throttle valves disposed at a plurality of locations, said return spring is disposed close to a location to which the driving force of said drive means is applied, said throttle body includes bearings that support said throttle shaft in said plurality of mutual intervals between said intake passages, and said throttle shaft comprises two throttle shafts separated by the area as a border to which the driving force of said drive means is applied, said two throttle shafts being connected so as to rotate coaxially and integrally.