Triangular Conical Air Filter Element for Cyclone Systems
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Solution Overview
Problem
Conventional air filter elements are inadequately adapted for use downstream of cyclone filtration, leading to uneven airflow and reduced filter performance due to turbulence, and often have suboptimal filter surface utilization and sealing issues with non-circular cross-sections.
Innovation Solution
A triangular ring filter element with a conical shape and circular seal, featuring a star-folded filter medium and reinforcing ribs, which allows for a secure and efficient connection to a housing with a circular seal, ensuring a tight seal and optimal airflow, even in turbulent conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If a conventional filter element with planar, round or oval filter medium is used, then the sealing is simplified, but the filter surface area is not optimally utilized
Solution Approach 1:
The filter element cross-section is divided into a triangular ring shape with three arcuate sides, creating a geometric configuration that optimizes filter surface area while maintaining sealing capability through the specific angular arrangement of the segments
Solution Approach 2:
The filter element transitions from a two-dimensional planar filter medium to a three-dimensional triangular ring structure with conical shape, maximizing the use of available filter surface area within the housing space
2Area of moving object
If a non-circular cross-section filter element is used to maximize filter surface, then the seal connection to circular housing becomes problematic
Solution Approach 1:
The filter element employs an asymmetric triangular ring cross-section with three equal arcuate sides arranged at 120 degrees, creating an optimized filter surface area distribution that works effectively with the circular housing through the symmetric angular arrangement
Solution Approach 2:
The corners of the triangular ring cross-section are rounded with arcuate sides, and the filter element has a conical shape with curved surface, enabling smooth airflow and effective sealing against the circular housing while maintaining the triangular geometry
3Stability of the object's composition
If a simple cylindrical filter element is used, then the manufacturing is easier, but the stability in longitudinal direction and flow distribution is reduced
Solution Approach 1:
The triangular ring cross-section with three arcuate sides provides enhanced longitudinal stability through its geometric configuration, preventing kinks and maintaining structural integrity while the conical shape adds flow distribution benefits
Solution Approach 2:
The conical shape with curved surface and rounded corners provides longitudinal stability while facilitating smooth airflow distribution across the filter medium, combining geometric complexity with functional benefits
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 triangular conical design enhances stability, ensures even particle entry, simplifies installation, and maximizes filter surface area, resulting in improved filter performance and extended service life while maintaining a reliable seal.
Implementation Method 1
The centrifugal forces acting on the particles accelerate them radially outwards. This separates them from the gas flow
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The invention relates to an air filter element (1) for a cyclone filter (10) for an internal combustion engine, comprising a filter medium (2) and a seal (5) for tightly connecting to the cyclone filter (10) or a housing (20) for accommodating the air filter element (1) and/or the cyclone filter (10). The filter medium (2) comprises a non-circular, for example substantially triangular, annular cross-section at least in some sections, the annular cross-section extending about the longitudinal extension axis (3) of the filter medium and being conical in the direction of the longitudinal extension axis thereof (3).