Filter for lowering harmful crankcase emissions in an internal c

Details Filter for lowering harmful crankcase emissions in an internal c Filter for lowering harmful crankcase emissions in an internal c

1990-11-01

1991-12-17

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123572, F02M 2500

Patent

active

050727133

ABSTRACT:
Apparatus for receiving crankcase emissions from an internal combustion engine and for separating the liquid portions of the emissions from the gaseous portion thereof. The apparatus includes a mounting flange, a beveled surface for the return of the liquids to the engine, at least one layer of filtering material. In one embodiment, the filtering material may be soaked with oil. Another embodiment, with multiple layers of filtering material has an air space between each layer. The apparatus includes an outlet for return of the gaseous portion of the emissions to return to the combustion chamber via the PCV line or the induction manifold.

REFERENCES:
patent: Re30682 (1981-07-01), Bush
patent: 4167164 (1979-09-01), Bachman

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