Air filter for internal combustion engines
OwnerCorneliu Birtok-Baneasainventor
Life of this patent
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Abstract
An air filtration system comprises an airflow inverter valve, an internal diffuser and a cylindrical filtration element positioned between the airflow inverter valve and the internal diffuser. A frustoconical external diffuser is joined to the airflow inverter valve so as to at least partly surround the filtration element. If desired, the airflow inverter valve and the external diffuser may be built as a single monolithic member. In one example, the airflow inverter valve, internal diffuser, filtration element and external diffuser each have a central axis of rotation aligned along a common central axis of the air filtration system.
Claims25
An air filtration system for providing filtered air to an internal combustion engine, comprising:
- an airflow inverter valve;
- an internal diffuser;
- a filtration element positioned between said airflow inverter valve and said internal diffuser;
- and
- an external diffuser joined to said airflow inverter valve so as to at least partly surround said filtration element.
An air filtration system for providing filtered air to an internal combustion engine, comprising:
- an airflow inverter valve;
- an internal diffuser;
- a filtration element held captive between said airflow inverter valve and said internal diffuser;
- an external diffuser joined to said airflow inverter valve so as to at least partly surround said filtration element;
- a recovery diffuser adjacent said airflow inverter valve having a concave air flow guiding surface;
- and
- said airflow inverter valve defines at least one opening allowing air flow deflected by said recovery diffuser to reach said filtration element.
An air filtration system for providing filtered air to an internal combustion engine, comprising:
- an airflow inverter valve;
- a cap member carried by said airflow inverter valve;
- an internal diffuser;
- a filtration element held captive between said cap member and said internal diffuser;
- an external diffuser joined to said airflow inverter valve so as to at least partly surround said filtration element;
- a recovery diffuser adjacent said airflow inverter valve having a concave air flow guiding surface, and
- said airflow inverter valve defines at least one opening allowing air flow deflected by said recovery diffuser to reach said filtration element.
Dependencies are inferred from the claim text.