Patent ID: 7543563

Claim:
A throttle body for an internal combustion engine of an automobile, the throttle body comprising: a housing defining a plurality of spaced apart, separated intake passages; a plurality of throttle valves rotatably disposed in said plurality of intake passages; a plurality of throttle shafts, each throttle shaft being adapted to support one of the plurality of throttle valves; and a drive mechanism operably connected to said plurality of throttle shafts to rotate said plurality of throttle valves, said drive mechanism including a single motor and a gear arrangement, said gear arrangement configured to drive at least two throttle shafts of said plurality of throttle shafts at varying speeds, and said gear arrangement selectively and sequentially opens at least two throttle valves of said plurality of throttle valves at varying rates, wherein one of said at least two throttle valves is located downstream from the other of said at least two throttle valves.