Oil Separator Interval Control via Holding Portion
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Solution Overview
Problem
Conventional oil separators using non-woven fabrics face variability in fabric thickness, leading to unstable oil separation performance due to inconsistent distances from the introduction hole to the separation surface, affecting gas flow speed and separation efficiency.
Innovation Solution
An oil separator design with a holding portion and positioning portion that accurately controls the interval between the introduction hole and the separation member, using a frame-shaped positioning portion with multiple openings to maintain a consistent gas flow path and reduce pressure loss, while allowing for variability in separation member thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a non-woven fabric is used as a separation member, then the oil separator can be manufactured simply and cost-effectively, but the variability in fabric thickness causes great variability in the distance from the communication hole to the separation surface, resulting in unstable oil separation performance
Solution Approach 1:
A holding portion is introduced as an intermediary component between the communication hole and the non-woven fabric separation member. This holding portion includes a positioning portion that mediates the spatial relationship, ensuring a predetermined interval is maintained regardless of the non-woven fabric's thickness variations. The intermediary structure allows the use of simple non-woven fabric while achieving stable separation performance.
Solution Approach 2:
The invention changes the critical parameter from the variable distance (which depends on non-woven fabric thickness) to a fixed predetermined interval established by the holding portion's positioning structure. By controlling the interval rather than relying on the fabric thickness, the system achieves stable gas flow speed and oil separation performance while maintaining manufacturing simplicity.
2Productivity
If the distance from the communication hole to the separation surface is increased to improve oil separation performance, then separation efficiency improves, but the gas flow speed decreases and pressure loss increases
Solution Approach 1:
The invention optimizes the interval parameter to a predetermined value that balances separation efficiency and gas flow speed. The holding portion's positioning portion establishes this optimal interval, ensuring the gas flow speed is sufficient for efficient oil separation while preventing excessive pressure loss. This parameter optimization resolves the contradiction between separation efficiency and gas flow characteristics.
3Productivity
If the non-woven fabric thickness is increased to improve separation performance, then oil separation efficiency improves, but the distance variability increases and manufacturing precision deteriorates
Solution Approach 1:
The holding portion acts as a mediator that decouples the relationship between non-woven fabric thickness and separation surface distance. By introducing this intermediate structure with a fixed positioning portion, the system can use non-woven fabric with thickness variations without affecting the critical distance parameter, thus maintaining manufacturing precision while allowing flexibility in material selection.
Solution Approach 2:
The invention segments the separation system into distinct functional components: the communication hole, the holding portion with positioning portion, and the non-woven fabric separation member. This segmentation allows each component to be optimized independently - the holding portion ensures precise interval control while the non-woven fabric provides separation functionality, resolving the contradiction between efficiency and precision.
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 ensures stable and high oil separation performance by accurately controlling gas flow speed and preventing pressure loss, even with varying separation member thicknesses, and effectively handles emulsified oils by maintaining gas flow paths and using thermally conductive materials to prevent separation performance degradation.
Implementation Method 1
a separation member (33) for separating an oil from the gaseous body
Implementation Method 2
the blow-by gas which is narrowed by a communication hole and accelerated is blown on a non-woven fabric disposed in a gas flow path so as to separate an oil mist included in a gas
Data Source
AI summary
An oil separator is provided, which can accurately control an interval between an introduction hole of a gaseous body and a separation member, and can ensure a stable and high separation performance. An oil separator 30 includes a wall portion 31 having a plurality of orifices 32, and a holding portion 34 holding a separation member 33. A facing surface 33A of the separation member 33 is disposed along a front face portion 42A of a positioning portion 42 having a plurality of opening portions 42D, so that an interval L between the orifices 32 and the facing surface 33A of the separation member 33 accurately has a desired distance. A gas separated from an oil smoothly flows downward along a flow path formed by the opening portions 42D so as to reduce a pressure loss.