Variable air intake pipe length

Details Variable air intake pipe length Variable air intake pipe length

2007-05-01

2007-05-01

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C123S184560

Reexamination Certificate

active

10439324

ABSTRACT:
An air intake system for an internal combustion engine has at least one air box and a short duct for each cylinder. Each duct can be extended to provide higher torque at low speed. At high speed, the shorter duct length can be selectively provided for enhanced engine performance.

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