Rotatable Sleeve Fuel Filter for Valve Alignment
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Solution Overview
Problem
Existing fuel filters for motor vehicles face challenges in efficiently removing particulate matter and impurities from fuel while ensuring secure and leak-proof sealing within the filter housing, particularly during assembly and operation.
Innovation Solution
A cylindrical filter element with a central core and annular collar that allows for fluid passage and rotation, engaging with a valve mechanism to ensure proper alignment and sealing, combined with end caps and a reinforcing sleeve for secure assembly and fluid filtration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional filter element is used without rotation mechanism, then the structure is simple, but the sealing reliability is insufficient and alignment with valve is difficult to ensure
Solution Approach 1:
The filter element incorporates a rotatable feature that allows it to dynamically adjust its angular position during installation. This rotational capability enables the filter element to automatically align its sealing surfaces and valve engagement features with the housing, ensuring reliable sealing and proper valve alignment without requiring complex pre-alignment procedures or multiple sealing components.
2Productivity
If manual alignment procedure is used, then the device complexity is low, but the assembly time increases and productivity decreases
Solution Approach 1:
The filter element is designed with self-aligning capabilities through its rotational mechanism. During assembly, the filter element can rotate to automatically position its sealing surfaces and valve engagement features correctly relative to the housing, eliminating the need for complex external alignment tools or procedures. This self-service alignment feature significantly reduces assembly time and increases productivity while keeping the overall device complexity manageable.
3Manufacturing precision
If filter element cannot rotate, then the manufacturing is simpler, but the alignment with valve is imprecise and sealing is compromised
Solution Approach 1:
The filter element incorporates a rotatable feature that allows it to dynamically adjust its angular position during installation. This rotational capability enables the filter element to automatically align its sealing surfaces and valve engagement features with the housing, ensuring reliable sealing and proper valve alignment without requiring complex pre-alignment procedures or multiple sealing components.
Data Source
AI summary
A filter for filtering contaminants from a fluid. The filter includes a cylinder of pleated filter media, a first end cap coupled to a first end of the filter media and a second end cap coupled to a second end of the filter media. The second end cap including a wall formed to include a central opening. The filter also includes a central core positioned radially inward of filter media and extends from the first end cap to the second end cap. The central core has a cylindrical side wall that is formed to include a plurality of apertures that are adapted to allow for the passage of the fluid. The filter also includes an annular collar that is adapted to be positioned within the central core. The annular collar is adapted to be rotatable with respect to the central core and includes a sidewall formed to include a series of space projections that extend radially inwardly from the sidewall.