Diagonal Wall Air Filter Housing for Turbo-Diesel Engines
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Solution Overview
Problem
Existing air filtration systems for internal combustion engines face challenges in achieving high efficiency filtration, maximizing airflow rate, and extending filter lifetime while minimizing airflow turbulence and effective filtration area reduction due to design constraints in engine compartments.
Innovation Solution
The air filtration system incorporates a filter housing with a diagonally disposed third wall, an integral battery tray coupled via a ramp, and an air intake tube affixed to the filter housing, which supports a filter element and an automotive battery, ensuring efficient airflow and shielding from engine heat, thereby optimizing filtration efficiency and airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If filter media is designed to provide high filtration efficiency, then particle entrapment is improved, but airflow permeability deteriorates
Solution Approach 1:
The filter element is divided into multiple pleats that create separate airflow channels, allowing air to pass through multiple paths simultaneously while maintaining effective filtration surface area. This segmentation enables high filtration efficiency without excessive airflow resistance.
Solution Approach 2:
The filter media is pleated to create a three-dimensional structure with increased surface area within the same planar footprint. This dimensional transformation allows more filtration material to be packed into the available space, improving efficiency without proportionally increasing airflow resistance.
2Duration of action of stationary object
If filter media is pleated to increase filtering surface area, then filter lifetime is extended, but airflow turbulence increases
Solution Approach 1:
The pleats are designed with varying depths and angles to optimize local airflow characteristics. Shallower pleats in certain regions reduce turbulence while deeper pleats in other regions maximize filtration surface area, creating a balanced design that extends filter life without excessive turbulence.
Solution Approach 2:
The pleats are curved rather than sharply angular, creating smoother airflow transitions that reduce turbulence. The curved geometry of the pleats allows air to follow the contours of the filter media rather than creating abrupt eddies and vortices.
3Ease of manufacture
If abrupt topological transitions are used in filter design, then manufacturing is simplified, but airflow is reduced due to eddy formation
Solution Approach 1:
The pleats are designed with curved transitions rather than abrupt angular changes. The curved geometry of the pleats creates smoother airflow paths that reduce eddy formation and turbulence, while still maintaining a relatively simple manufacturing process through standardized pleat patterns.
Solution Approach 2:
The pleat design incorporates gradual depth variations and curved transitions that dynamically adapt to airflow patterns. This dynamic geometry allows the filter to maintain optimal airflow characteristics throughout operation, preventing the formation of persistent eddies that would reduce airflow.
4Device complexity
If pleated media is secured with pleats forced together, then filter assembly is simplified, but effective filtration area is reduced
Solution Approach 1:
The filter element is divided into multiple pleats that create separate airflow channels, allowing air to pass through multiple paths simultaneously while maintaining effective filtration surface area. This segmentation enables high filtration efficiency without excessive airflow resistance.
Solution Approach 2:
The filter media is pleated to create a three-dimensional structure with increased surface area within the same planar footprint. This dimensional transformation allows more filtration material to be packed into the available space, improving efficiency without proportionally increasing airflow resistance.
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 configuration enhances engine performance by increasing horsepower, torque, and fuel economy while maintaining high filtration efficiency and extending filter lifetime, reducing airflow turbulence, and maximizing the effective filtration area.
Implementation Method 1
The function of an air intake filter is to remove particulate matter from the intake air, so that clean air is provided to the engine. The intake air stream flows from the influent, or 'dirty,' side of the filter to the effluent, or 'clean,' side of the filter, with the air filter extracting the unwanted particles via one or more filter media layers.
Data Source
AI summary
An apparatus for filtering air includes a filter housing and a battery tray integral with the filter housing. The battery tray may be coupled to the filter housing via a ramp. The filter housing may comprise a first wall, a second wall, and a third wall, wherein the third wall is diagonally disposed between the first and second walls. The apparatus may further include an air intake tube having an upstream portion affixed to the third wall, and a downstream portion configured for fluid communication with a turbocharger of a V8 Ford diesel truck. Methods for providing filtered air to a turbo-diesel internal combustion engine are also disclosed.