Segmented Air Cleaner for Compact Engine Compartment Design
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Solution Overview
Problem
Conventional air cleaner devices for vehicles occupy excessive space and hinder effective engine compartment design due to their structural configuration, requiring separation of components for filter replacement, which complicates installation and maintenance, especially in narrow engine compartments.
Innovation Solution
The air cleaner device features a hose outlet that can be adjusted according to the engine type, incorporating a pipe-shaped air housing with a protruding air duct, an inclined filter seating portion, and triangular cross-sectional filter casing to prevent direct air introduction, allowing for efficient space utilization and simplified filter mounting, while supporting the engine encapsulation's structural rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the upper casing is fixed to the lower casing by bolts and clamps, then the air cleaner can be assembled securely, but the upper casing needs to be completely separated from the lower casing to change a filter, requiring additional space and complicating maintenance
Solution Approach 1:
The air cleaner is divided into a reusable air housing and a replaceable filter casing assembly. The filter casing can be detached from the air housing without separating the entire air cleaner into upper and lower casings, enabling easy filter replacement while maintaining overall assembly security.
Solution Approach 2:
The filter casing is extracted as a separate replaceable component from the air housing. This allows the filter to be accessed and replaced by simply removing the filter casing, eliminating the need to separate entire casings while maintaining secure assembly of the main structure.
2Reliability
If the air cleaner is configured with a traditional structure requiring complete separation of casings, then secure assembly is achieved, but it occupies larger space and hinders effective arrangement design of the engine compartment
Solution Approach 1:
The air cleaner is segmented into a compact air housing and a detachable filter casing. This segmentation allows the main air housing to be compact and securely assembled, while the filter casing can be accessed separately, reducing the overall space required in the engine compartment.
Solution Approach 2:
The filter casing is designed to nest within or attach to the air housing structure. This nesting approach allows the filter replacement mechanism to be integrated into the existing air housing volume, eliminating the need for additional space that would be required for complete casing separation.
3Reliability
If a traditional air cleaner structure is used, then assembly security is maintained, but it acts as an obstruction that hinders free and effective arrangement design of the engine compartment
Solution Approach 1:
The air cleaner is segmented into a compact air housing and a detachable filter casing assembly. This segmentation creates a more flexible structure that can be positioned and oriented more freely in the engine compartment, reducing obstruction to other components while maintaining secure assembly of the main structure.
Solution Approach 2:
The detachable filter casing introduces dynamic accessibility to the previously static air cleaner structure. The filter casing can be removed and reattached as needed, providing operational flexibility that adapts to different maintenance requirements and engine compartment layouts.
Data Source
AI summary
An air cleaner device may include an air housing which has a hose outlet; an air duct which is protrudingly formed at one side of the air housing toward a front side of an engine compartment and introduces outside air; a filter casing which includes a filter seating portion which is formed in the air housing to face the air duct; and an air filter which is installed on the filter seating portion.