Oil Pan Integrated Filter Layout for Easier Engine Oil Changes
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Solution Overview
Problem
Current engine oil systems face challenges with complex and bulky oil filter installations due to high oil pressures, leading to inefficient maintenance and potential oil spills during filter changes.
Innovation Solution
The engine oil system incorporates an oil filter arranged within the oil pan, where the filter outlet discharges oil back into the pan, eliminating the need for a separate filter housing and allowing for easier maintenance by reducing oil residue and simplifying the process of filter changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the oil filter is arranged downstream of the oil pump to receive pressurized oil, then the oil filter can overcome the pressure drop and effectively clean the oil, but the filter housing and lid need to be bulky and complex to withstand high oil pressures above 10 bars
Solution Approach 1:
The patent merges the oil filter with the oil pan by arranging the filter inside the pan and discharging cleaned oil back into it. This integration eliminates the need for a separate bulky filter housing and lid, while maintaining effective oil filtering through the pressurized oil flow from the pump.
Solution Approach 2:
The oil filter is nested within the oil pan structure, with the filter element positioned inside the pan and the outlet discharging directly into the pan. This nesting arrangement reduces overall system complexity and eliminates external housing requirements while preserving filtering functionality.
2Reliability
If the filter lid is screwed into the filter housing to ensure leak-tightness and withstand high pressures, then the sealing is reliable, but maintenance and filter changes require time-consuming unscrewing and re-screwing operations
Solution Approach 1:
The filter assembly is segmented into the filter element and the oil pan as separate but integrated components. The filter can be accessed and replaced by simply removing the oil pan, eliminating the need for threaded connections and reducing maintenance time while maintaining sealing through the integrated design.
Solution Approach 2:
Instead of securing the filter lid to the housing through threading, the patent inverts the approach by integrating the filter within the oil pan structure itself, where the pan serves as both containment and mounting structure, eliminating the need for separate fastening operations.
3Reliability
If the oil filter is positioned in a conventional location downstream of the oil pump, then effective oil cleaning is achieved, but the system requires a separate filter housing that increases total weight and space consumption
Solution Approach 1:
The oil filter function is merged with the existing oil pan structure by positioning the filter element within the pan and discharging cleaned oil back into it. This eliminates the need for a separate filter housing, reducing total system weight while maintaining effective oil cleaning through pressurized flow.
Solution Approach 2:
The oil pan serves multiple functions: it acts as both the oil reservoir and the housing for the oil filter. This multi-functionality eliminates redundant structural components, reducing overall system weight and space requirements while preserving all necessary functions.
4Reliability
If the oil filter is arranged in a conventional position requiring pre-filling to secure oil access during start-up, then continuous oil supply is ensured, but additional complexity and steps are required for proper installation
Solution Approach 1:
The oil filter arrangement within the oil pan enables the system to self-fill the filter with oil from the pan during normal operation. The filter outlet discharges directly into the pan, creating a self-sustaining system that eliminates the need for manual pre-filling or complex installation procedures while ensuring continuous oil supply.
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
This configuration enhances maintenance efficiency, reduces the system's weight and space requirements, and eliminates the need for pre-filling the oil filter after changes, while allowing for more flexible filter designs and reduced pressure handling demands.
Implementation Method 1
an oil pump for pressurizing the oil and enabling transport of the oil from the oil pan to the oil using components
Implementation Method 2
oil is passed through the oil filter whereby the debris and impurities are captured by the filter material in the oil filter
Data Source
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AI summary
The invention relates to an engine oil system (1, 1', 101) for supplying oil to oil using components (3) in a vehicle (800). The engine oil system comprises an oil pan (10) for holding oil received from the oil using components, an oil pump (20) fluidly connected to the oil pan for pumping oil from the oil pan to the oil using components, and an oil filter (30, 30' 130) configured for cleaning the oil. The oil filter has a filter inlet (32, 32', 132) for receiving oil to be cleaned, and a filter outlet (34, 34' 134) for discharging oil from the oil filter. The oil filter is arranged in the oil pan such that, in use, the filter outlet discharges oil into the oil pan.