Air Filter Oil Migration Detection Apparatus

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Solution Overview

Problem

There is a concern that oil applied to aftermarket air filters may migrate to the throttle body or other engine and vehicle systems, potentially causing damage, and there is a need for a system to determine if oil migration occurs from the air filter.

Innovation Solution

An apparatus and system that uses a blower to force air through an oil-treated air filter, directing the airflow through a containment system with a deflection portion to visually display any oil or particulate displacement from the filter, allowing observation of potential oil migration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If oil is applied to the air filter to improve particulate filtration, then filtration effectiveness is improved, but oil may migrate to the throttle body or engine systems causing potential damage

Engineering Contradiction:
Improvefiltration effectivenessVSAvoidoil migration risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a containment system with a deflection portion as an intermediary between the air filter and the throttle body/engine systems. This deflection portion intercepts and redirects airflow that may carry oil particles, preventing oil migration to critical engine components while maintaining the oil treatment on the filter for effective filtration

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If a containment system with deflection portion is added to prevent oil migration, then protection from oil migration is improved, but device complexity increases

Engineering Contradiction:
Improveoil migration preventionVSAvoidsystem complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The containment system is segmented into distinct functional portions: a main containment structure and a separate deflection portion. This segmentation allows the deflection portion to be added as a modular component specifically targeted at preventing oil migration, rather than redesigning the entire air intake system, thereby limiting the increase in overall system complexity

Inventive Principle:
Principle #1Segmentation

3Productivity

If air flow rate through the filter is increased to improve engine performance, then engine performance is improved, but oil displacement and migration risk increases

Engineering Contradiction:
Improveengine performanceVSAvoidoil displacement
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The deflection portion is positioned to preemptively intercept oil-containing airflow before it can reach the throttle body or engine systems. By establishing this protective barrier in advance, the system can tolerate higher air flow rates that might otherwise cause oil displacement, as the deflection portion will redirect any oil-laden air away from critical components

Inventive Principle:
Principle #9Preliminary anti-action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables the visualization of oil migration from the air filter, providing assurance that oil does not reach critical engine components and allowing users to assess the risk of oil migration effectively.

Implementation Method 1

a blower for forcing air through the oil treated air filter

Methodology Applied
Scientific EffectPressure differential: Pressure Gradient

Data Source

PatentUS10126199B2Determining displacement from air filtration media
Publication Date: 2018.11.13 K&N ENGINEERING INC
  • US10126199B2 patent drawing
  • US10126199B2 patent drawing
  • US10126199B2 patent drawing

AI summary

An apparatus and a system is provided that may be utilized to determine oil migration and oil displacement from a pre-oiled air filter. The present invention may also be utilized to determine if oil is displaced from the air filter onto a portion of the apparatus for visualization to a user. The present invention utilizes a demonstration apparatus having a system for forcing air through the oil subjected air filter thereby attempting to force displacement of the oil from the air filter. The apparatus utilizes a blowing means whereby the oil infused air filter is subject to higher than normal air flow and whereby the apparatus has a deflection portion whereby if oil is displaced from the air filter, it is deflected onto the deflection portion where it would be physically viewable to an observer present in the vicinity of the apparatus.