Open cellular pump filter element for homogenization of air-oil mixtures

摘要

An open cellular pump filter element which is utilized in an oil filter interposed between a sump and an oil pump for an automatic transmission wherein the cellular element breaks up large congregated air bubbles that normally form on a filter screen type mesh and are subsequently released into the suction fluid passage of the pump. An open cellular block of a foam-like material is placed in the filter body after the filter screen.