Dual Vehicle Air Intake Layout for Fouling and Cabin Noise
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Solution Overview
Problem
Existing air intake systems for vehicles face challenges in minimizing fouling and noise exposure for engine components, particularly in off-road environments where particulates and water can clog intake ports, and engine noise is directed into the vehicle cabin.
Innovation Solution
The air intake system is designed with intake ports positioned outside and forward of the vehicle cabin, coupled with engine air passages that route air to engine components, allowing for dual intake ports to ensure continuous airflow even if one is fouled, and utilizing frame components to minimize ductwork and reduce noise exposure by directing it away from the cabin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If intake ports are positioned outside and forward of the vehicle cabin, then fouling of intake ports is minimized, but engine noise is directed away from the cabin which may reduce cooling efficiency
Solution Approach 1:
The patent positions intake ports in the forward portion of the vehicle outside the cabin, utilizing the spatial dimension ahead of the vehicle to access clean air while directing noise laterally away from the cabin. This dimensional positioning resolves the contradiction by separating the air intake function from the noise exposure zone.
Solution Approach 2:
The patent employs multiple separate intake ports distributed at different locations (forward portions on opposite sides of the vehicle). This segmentation ensures that if one port becomes fouled, others remain available, while collectively they provide sufficient cooling air flow to the engine components.
2Reliability
If dual intake ports are provided on opposite sides of the vehicle, then continuous airflow is ensured even if one is fouled, but device complexity increases
Solution Approach 1:
The intake system is divided into multiple independent intake ports located on opposite sides of the vehicle. Each port operates independently, and the system maintains airflow continuity by drawing from multiple segments rather than relying on a single intake point, thereby ensuring reliability without requiring complex active control mechanisms.
Solution Approach 2:
The dual intake port configuration provides automatic redundancy - if one port becomes fouled, the system automatically continues to operate using the other port without requiring detection, diagnosis, or active switching mechanisms. The physical configuration itself provides the fail-safe capability.
3Volume of moving object
If frame components are used to minimize ductwork, then space is optimized and noise is reduced, but manufacturing complexity of frame components increases
Solution Approach 1:
The patent integrates the air passage function directly into the vehicle frame components, merging the structural frame with the cooling air delivery system. This eliminates the need for separate ductwork, optimizing space and reducing noise, while the frame components are designed to incorporate these passages during the vehicle manufacturing process.
Solution Approach 2:
The frame components serve multiple functions: providing structural support for the vehicle and simultaneously serving as air passages for cooling the engine components. This multi-functionality eliminates the need for dedicated ductwork, reducing overall system complexity and space requirements while the frame is manufactured using standard vehicle manufacturing processes.
Data Source
AI summary
A vehicle including an airflow system defining an air passageway to facilitate airflow to or from an engine component. The airflow system includes a noise control mechanism, such as an attenuator or a tortuous portion of the air passageway, for reducing or otherwise controlling noise associated with the engine component. Positioning and orientation of various inlets provides additional noise reduction for passengers of the vehicle.