Fuel Filter Strainer Reuse via Housing Integration
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Solution Overview
Problem
Existing fuel filter systems require costly replacement of the central element and strainer filter with each filter element change, leading to high operational costs and potential contamination during filter element exchange.
Innovation Solution
A filter system design where the strainer filter is detachably connected to the filter housing, allowing the filter element to be exchanged without replacing the strainer filter, which remains in the housing, and incorporating a central element with a strainer filter that can be fixedly or detachably attached to the housing, enabling reuse and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the strainer filter is integrated with the filter element, then the filter element provides complete filtration functionality, but the strainer filter must be replaced with every filter element change, leading to high operational costs
Solution Approach 1:
The filtration system is divided into two independent parts: the filter element and the strainer filter. The strainer filter is detached from the filter element and integrated into the filter housing, allowing the filter element to be replaced without replacing the strainer filter, thus reducing operational costs.
Solution Approach 2:
The strainer filter is extracted from the filter element and repositioned into the filter housing. This extraction allows the strainer filter to remain in the housing while the filter element is replaced, preventing the loss of the expensive strainer filter component with each replacement cycle.
2Loss of substance
If the central element with strainer filter is fixedly connected to the filter housing, then the strainer filter can be reused, but the system complexity increases due to additional mounting structures
Solution Approach 1:
The central element is merged with the filter housing through direct integration, eliminating the need for separate mounting structures. The strainer filter is positioned within the central element, creating a unified assembly that simplifies the overall structure while enabling reuse.
3Reliability
If the strainer filter is positioned to project into the filter element interior, then effective filtration is achieved, but the filter element design becomes more complex
Solution Approach 1:
Instead of integrating the strainer filter into the filter element, the approach is inverted: the strainer filter is positioned in the filter housing and projects into the filter element interior. This inversion simplifies the filter element design while maintaining effective filtration functionality.
Data Source
AI summary
A filter system for filtering a fluid is provided with a filter housing that has a housing top part and a housing bottom part arranged along a housing axis of the filter housing. An inlet socket is arranged at the housing top part for supplying a fluid to be filtered. An outlet socket is arranged at the housing top part for discharging the fluid. A filter element is provided with a filter bellows arranged about a longitudinal axis of the filter element. The filter element, installed inside the filter housing, fluidically separates a raw fluid side from a clean fluid side. A central element is attached to the filter housing and extends along the housing axis. The central element is separate from the filter element and projects into an interior of the filter element. A strainer filter is arranged at the central element.