Intake system for an internal-combustion engine

Details Intake system for an internal-combustion engine Intake system for an internal-combustion engine

1998-01-27

1999-09-28

McMahon, Marguerite

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02B 2700

Patent

active

059571020

ABSTRACT:
An intake system for an internal-combustion engine has an intake pipe with a throttle device, an air flow or air mass sensor and a filter device. In order to improve the quality of the measuring signal of the air flow or air mass sensor and to prevent subsequent signal corrections, a Helmholtz resonator is coupled to the intake pipe in the proximity of the air flow or air mass sensor which is tuned to the resonance frequency occurring during the operation of the internal-combustion engine. By coupling the Helmholtz resonator in the area of the air flow or air mass sensor, fluctuations of the air flow are smoothed in this area.

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patent: 5441023 (1995-08-01), Thomas
patent: 5572966 (1996-11-01), Doddy et al.
patent: 5628287 (1997-05-01), Brackett et al.

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