Additive Dispersing Filter Stagnation Pressure Release
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Solution Overview
Problem
Conventional oil filters release additives too quickly, leading to inadequate engine protection and reduced oil change intervals, especially under stringent emission regulations, causing increased downtime and costs for heavy-duty diesel engines.
Innovation Solution
An additive dispersing filter system that utilizes stagnation pressure to slowly release additives over the filter's life, with a controlled flow rate achieved by varying the inlet opening of the outlet tube, ensuring a prolonged release of additives and minimizing initial additive loss during filtration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additives are released immediately after filter installation, then initial engine protection is improved, but additive depletion occurs rapidly reducing service life
Solution Approach 1:
The filter employs periodic action by releasing additives in controlled intervals rather than all at once. The filter media gradually releases additives over time as oil passes through, providing sustained protection throughout the service interval rather than immediate depletion.
Solution Approach 2:
The invention changes the release rate parameter of additives from immediate to controlled gradual release. By modifying how additives are released (from bulk immediate release to controlled incremental release), the system extends additive service life while maintaining protective levels throughout the oil change interval.
2Reliability
If beneficial additives are added before mechanical filtration, then engine protection is improved, but additives are filtered out immediately reducing effectiveness
Solution Approach 1:
The filter incorporates additives in advance within the filter media itself before oil passes through. This preliminary placement ensures additives are available at the point of need (during filtration) rather than being lost to the filter media during subsequent filtration cycles.
Solution Approach 2:
The filter media acts as an intermediary carrier that holds and gradually releases additives. Rather than additives being immediately filtered out or lost, the filter media mediates their release into the oil stream where they can provide protection without being removed by the filtration process.
3Adaptability or versatility
If emission regulations require accelerated operating conditions, then regulatory compliance is improved, but additive package deteriorates faster reducing oil change intervals
Solution Approach 1:
The system compensates for accelerated additive depletion under stringent emission conditions by implementing controlled gradual release of additives. This parameter change in release timing and rate extends the effective service life of the oil package even under harsh operating conditions required for emission compliance.
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
The system extends the useful life of engine oil, allowing for longer intervals between oil changes and improved engine protection by maintaining additive levels, reducing downtime and operating costs.
Implementation Method 1
using stagnation pressure to disperse the additive from the additive cartridge
Implementation Method 2
regulating a flow rate of the additive from the additive cartridge by restricting an inlet opening of an outlet tube
Data Source
AI summary
A method for dispersing an additive from an additive cartridge disposed in a housing of an oil filter is provided herein, the method includes using stagnation pressure to disperse the additive from the additive cartridge; and regulating a flow rate of the additive from the additive cartridge by restricting an inlet opening of an outlet tube of the additive cartridge.