Oil filter adapter

Details Oil filter adapter Oil filter adapter

1974-03-11

1977-03-29

Spear, Jr., Frank A.

Liquid purification or separation

With means to add treating material

Spaced along flow path

210206, 210209, 23267D, 232726R, 252 59, B01D 3500, C10M 702

Patent

active

040147940

ABSTRACT:
An adapter for metering oil viscosity index improver and other additives into flowing oil is provided. The adapter is normally used in combination with a conventional oil filter and is placed between the oil filter and the engine of a vehicle. The adapter contains a solid, oil-soluble oil viscosity index improver in association with means, preferably a perforated sheet surrounding the improver, to limit contact of the improver with oil which flows through the adapter from the engine to the oil filter.

REFERENCES:
patent: 2580856 (1952-01-01), Smith et al.
patent: 2627977 (1953-02-01), Kent
patent: 3507932 (1970-04-01), Morduchowitz et al.
patent: 3630905 (1971-12-01), Sorgo
patent: 3634249 (1972-01-01), Dupas et al.
patent: 3687849 (1972-08-01), Abbott
patent: 3715037 (1973-02-01), Shin-En Hu et al.
patent: 3749247 (1973-07-01), Rohde
patent: 3772196 (1973-11-01), St. Clair et al.

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