Serviceable Oil Filter Assembly Segmentation
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Solution Overview
Problem
Existing oil filtration assemblies for internal combustion engines are complex and require extended service time to disassemble, replace, and reinstall the filtration media, making the servicing process cumbersome.
Innovation Solution
A serviceable oil filter assembly featuring a first end cap, a second end cap with a threaded collar, a cylindrical filter element, and a retainer element that simplifies the replacement process by allowing the filter element, second end cap, and retainer element to be removed and replaced using hand tools without disassembling the entire assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the filtration assembly uses a traditional design with the filtration media retained within a filtration housing, then the filtration function is achieved, but the service time and complexity increase when replacing the filtration media
Solution Approach 1:
The oil filter assembly is divided into separable components: a reusable housing assembly (first end cap, second end cap, retainer element) and a replaceable filter element. The retainer element can be removed from the housing, allowing the filter element to be accessed and replaced without disassembling the entire housing structure, thus reducing service time while maintaining structural integrity during operation
Solution Approach 2:
The retainer element is extracted as a separate removable component from the housing assembly. This extraction allows the filter element to be accessed by simply removing the retainer element through the opening, eliminating the need to disassemble the entire housing and significantly reducing the complexity of the servicing process
2Productivity
If the filtration assembly requires disassembly of the entire housing to replace the filter element, then complete access is achieved, but the service process becomes time-consuming and complex
Solution Approach 1:
The assembly is segmented into a permanent housing structure and a removable retainer element. This segmentation enables rapid access to the filter element by only removing the retainer element, maintaining complete access for filter replacement while dramatically reducing the time required compared to disassembling the entire housing
Solution Approach 2:
The retainer element is designed with a threaded collar and opening that allows it to be preliminarily positioned and secured during assembly, creating a pre-established access path. This preliminary configuration enables quick removal during maintenance without requiring complex disassembly procedures, thus improving maintenance efficiency while minimizing time loss
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 design streamlines the servicing process, reducing the time and effort required to replace the filter element, enabling technicians to do so without disassembling the entire oil filter assembly, thus improving maintenance efficiency.
Implementation Method 1
Oil filtration is an important function for complex mechanical devices that make use of circulating oil for lubricity... contaminants be removed from the oil by filtration... internal filtration media is generally retained within a filtration housing into which dirty oil is pumped
Data Source
Figure 1
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AI summary
An improved serviceable oil filter assembly is provided. The oil filter assembly includes a first end cap, a second end cap, a retainer element, and a cylindrical filter element. The first end cap defines a dirty oil inlet and a clean oil outlet. The second end cap includes a threaded collar for attachment to a threaded sidewall of the first endcap. The retainer element secures the cylindrical filter element within an interior volume of the oil filter assembly. The cylindrical filter element functions in combination with the retainer element to divide the interior volume of the serviceable oil filter assembly into a dirty oil chamber in fluid communication with the dirty oil inlet and a clean oil chamber in fluid communication with the clean oil outlet.