Deployable Snorkel Air Induction System for Engine Protection
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Solution Overview
Problem
Existing snorkel systems for vehicles, particularly off-road vehicles, face issues such as unappealing aesthetics when not in use, require permanent modifications, and often result in degraded air supply due to mandatory use of the snorkel system in all conditions, necessitating substantial operator intervention for configuration changes.
Innovation Solution
A system that automatically deploys and retracts a snorkel based on operator input, routing airflow through either a primary or secondary air induction pathway to avoid water and particulate ingestion, using solenoid or butterfly valves controlled by a vehicle controller to switch between pathways seamlessly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a snorkel system is installed to prevent water and particulate ingestion, then engine protection is improved, but vehicle aesthetics and resale value deteriorate
Solution Approach 1:
The snorkel system is designed to be dynamically deployable and retractable rather than permanently fixed. The snorkel can be automatically extended when water or particulate conditions are detected and retracted when conditions are safe, allowing the vehicle to maintain both engine protection capability and aesthetic appearance depending on operating conditions.
2Ease of manufacture
If a modular snorkel system is used to improve installation ease, then ease of manufacture is improved, but device complexity and operator intervention requirements increase
Solution Approach 1:
The modular snorkel components are designed to integrate with the vehicle's existing air induction system and control architecture. The snorkel system merges with the vehicle's controller to enable automatic operation, combining multiple functions (snorkel deployment, air intake control, environmental sensing) into a unified system that reduces operator burden despite the added complexity.
3Reliability
If the snorkel system is always configured for off-road use, then engine protection is improved, but air supply efficiency deteriorates in non-off-road conditions
Solution Approach 1:
The system dynamically switches between snorkel and non-snorkel air induction modes based on detected environmental conditions. During off-road conditions with water or dust, the snorkel is deployed for engine protection. During normal road conditions, the snorkel is retracted and the standard air induction system operates for optimal air supply efficiency, eliminating the need to compromise performance in either mode.
4Reliability
If permanent modifications are made to install a snorkel system, then engine protection is improved, but ease of manufacture and vehicle resale value deteriorate
Solution Approach 1:
The snorkel system is designed as a segmented, modular assembly that can be installed and removed without permanent modifications to the vehicle. The snorkel divides into separate components that attach to existing vehicle structures through reversible mounting methods, allowing installation for off-road protection while preserving vehicle integrity and resale value for non-off-road users.
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
Enables intuitive switching between air induction pathways, reducing the risk of engine damage from water or debris ingestion and maintaining a clean, unobtrusive appearance during non-off-road use, without the need for permanent vehicle modifications or extensive operator intervention.
Implementation Method 1
using solenoid or butterfly valves controlled by a vehicle controller to switch between pathways seamlessly
Data Source
AI summary
Methods and systems are provided for controlling an airflow to an engine via a primary air induction pathway or a secondary air induction pathway, where the secondary air induction pathway routes the airflow to the engine via a deployable snorkel system. Thus, in one example, a method comprises routing the airflow to the engine solely via the primary air induction pathway by commanding open a first air inlet valve and commanding closed a second air inlet valve, and responsive to a request to switch the routing, commanding closed the first air inlet valve and commanding open the second air inlet valve. In this way, the snorkel system may selectively be used in response to requests from a vehicle operator.