An intake pipe structure for an internal combustion engine is provided. The intake pipe structure includes an air flow meter (30) arranged in an intake pipe (20) and a pair of flow regulating plates (22). The air flow meter has an entrance (35) and exits (...

An automotive piston engine has an air inlet to an air filter inside a two-part box housing (3) with a box half around the unfiltered air and a box half (4) around the filtered air (5). The inlet side has a suction zone (3") with air scoop (6') located abo...

A combined air cleaning and flow rate sensing system for the combustion air of an internal combustion engine is disclosed. The system includes a housing providing an inlet (18) and a filter (142) at least partially disposed in the housing. The air cleaner ...

An active noise attenuation system includes a speaker housing for a speaker assembly that attenuates noise generated by an air induction system for a vehicle engine. The speaker housing is a generic housing formed from plastic that can be utilized with man...

An air induction system for a vehicle engine includes a sensor assembly for monitoring particulate concentration. The sensor assembly is mounted within an air intake housing, which has an inlet and an outlet. An airflow passageway extends between the inlet...

An active noise attenuation system for an air induction assembly includes a housing that is mounted to a vehicle structure and a speaker assembly that is mounted within the housing to generate a sound field for attenuating noise. The housing defines an air...