IP Library Patent Application 17878679
Patent Application
App. No. 17/878,679

Filter Oil Formulation

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Quick Facts
Patent No.
US None
App. No.
17/878,679
Abstract

A filter oil composition and a method for removing airborne molecular contaminants from air are provided. The composition includes a first portion comprising paraffinic oil by volume of the composition, a second portion comprising polyalphaolefin (PAO) by volume of the composition, and a third portion comprising red dye by volume of the composition. Applying the filter oil composition to a cotton air filter material causes tackiness throughout the air filter material, thereby enhancing filtration of air passing through the filter. The composition generally is substantially non-reactive, has an excellent oxidation stability, possesses good thermal stability, and retains a suitable viscosity at a normal operating temperatures of an automobile engine. In an embodiment, the composition comprises 96.74% paraffinic oil by volume, 3.20% polyalphaolefin (PAO) by volume, and 0.06% red dye by volume. A viscosity of the composition at 100 degrees-C ranges between substantially 7.2 and 7.6 centistokes (cSTs).

Claims (21)

1 . An air filter oil composition, comprising:

a first portion comprising paraffinic oil by volume of the composition;

a second portion comprising polyalphaolefin (PAO) by volume of the composition; and

a third portion comprising red dye by volume of the composition;

where applying the air filter oil composition to a cotton air filter material causes tackiness throughout the air filter material, thereby enhancing filtration of air flowing through the filter material.

2 . The composition of claim 1 , wherein the composition is substantially non-reactive, has an excellent oxidation stability, possesses good thermal stability, and retains a suitable viscosity within a temperature range typical of an operating automobile engine.

3 . The composition of claim 1 , wherein the composition comprises 96.74% paraffinic oil by volume, 3.20% polyalphaolefin (PAO) by volume, and 0.06% red dye by volume.

4 . The composition of claim 1 , wherein the composition has a viscosity at 100 degrees-C ranging between substantially 7.2 and 7.6 centistokes (cSTs).

5 . A method for removing airborne molecular contaminants from air, comprising:

configuring a filter material to remove airborne molecular contaminants from an airstream passing through the filter material;

formulating an air filter oil composition for application to the filter material, the air filter oil composition being configured to enhance air cleaning properties of the filter material;

supporting the filter material such that the airstream is directed through the filter material; and

cleaning the filter material periodically so as to remove entrapped contaminants.

6 . The method of claim 5 , wherein formulating comprises providing a first portion including paraffinic oil by volume of the composition, a second portion including polyalphaolefin (PAO) by volume of the composition, and a third portion including red dye by volume of the composition, such that application of the composition to a cotton air filter material causes tackiness throughout the air filter material, thereby enhancing filtration of the airstream.

7 . The method of claim 5 , wherein the composition is substantially non-reactive, has an excellent oxidation stability, possesses good thermal stability, and retains a suitable viscosity within a temperature range typical of an operating automobile engine.

8 . The method of claim 5 , wherein the composition comprises 96.74% paraffinic oil by volume, 3.20% polyalphaolefin (PAO) by volume, and 0.06% red dye by volume.

9 . The method of claim 5 , wherein the composition has a viscosity at 100 degrees-C ranging between substantially 7.2 and 7.6 centistokes (cSTs).

10 . The method of claim 5 , wherein configuring comprises positioning at least one layer of cotton gauze between two epoxy-coated aluminum wire screens so as to support the filter material during filtering of the airstream.

11 . The method of claim 5 , wherein supporting comprises positioning the filter material within an air intake of an internal combustion engine.

12 . The method of claim 5 , wherein supporting comprises positioning the filter material within a ventilation system which circulates air within an enclosed space.

13 . The method of claim 5 , wherein cleaning comprises removing the filter material from the airstream, using a solvent to remove the air filter oil composition, flushing contaminants and the solvent from the filter material by way of a water hose, allowing the filter material to dry, and uniformly applying the air filter oil composition to the filter material.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2023
From: WILLIAMS, STEVE; WALL, JERE JAMES; DANIELS, RICK
To: K&N ENGINEERING, INC.
Reel/Frame 063534/0129 →