Method and composite resonator for tuning an engine air inductio

Details Method and composite resonator for tuning an engine air inductio Method and composite resonator for tuning an engine air inductio

1994-09-30

1996-11-12

McMahon, Marguerite

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 3510

Patent

active

055729665

ABSTRACT:
A method and device are disclosed for tuning an air induction system of an internal combustion engine in which an expansion chamber is combined with a Helmholtz resonator tuned to resonate at the engine speed whereat the expansion chamber would otherwise cause an engine torque decline, the combined effects tuning the system over the entire operational range of speeds of the engine.

REFERENCES:
patent: 5002021 (1991-03-01), Nakata et al.
patent: 5040495 (1991-08-01), Harada et al.
patent: 5107800 (1992-04-01), Araki et al.
patent: 5163387 (1992-11-01), Lee
patent: 5307767 (1994-05-01), Schutz

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