CNG Frame Assembly with Vertical Containers for Aerodynamics
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Solution Overview
Problem
Current compressed natural gas (CNG) systems for vehicles lack innovative designs that enhance vehicle performance, aerodynamics, and safety while providing efficient fuel delivery and storage solutions.
Innovation Solution
A frame assembly for a CNG fuel system that includes vertically or horizontally oriented containers with rail connection systems, integrated manifolds, and safety features like electric solenoids and RFID technology, allowing for efficient fuel storage and delivery, real-time monitoring, and compatibility with various vehicle designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional CNG systems are used, then fuel storage is provided, but vehicle performance and aerodynamics are not enhanced
Solution Approach 1:
The CNG system is divided into separate modular components (containers, frame assembly, manifolds) that can be independently configured and installed in different locations on the vehicle, allowing optimization of both vehicle performance and aerodynamics without compromising fuel storage capability
Solution Approach 2:
The system transitions from conventional horizontal container placement to vertical orientation, utilizing the vertical space above the rear axle to improve aerodynamic profile while maintaining sufficient fuel storage capacity and allowing for optimized vehicle performance
2Reliability
If conventional CNG systems are used, then fuel storage is provided, but safety features are insufficient
Solution Approach 1:
Electric solenoids are pre-installed on the container valves to enable rapid automated closure in emergency situations, and RFID tags are pre-attached for immediate identification and tracking, enhancing safety without requiring complex additional systems
Solution Approach 2:
The frame assembly serves as an intermediary structural element that integrates the containers, manifolds, and safety components into a unified system, simplifying the overall complexity while maintaining high safety standards through coordinated operation of all components
3Productivity
If traditional fuel delivery systems are used, then basic fuel supply is provided, but efficient fuel delivery and real-time monitoring are not achieved
Solution Approach 1:
RFID tags on the containers enable real-time automated monitoring of fuel levels and container status, providing continuous feedback to the vehicle system for optimized fuel delivery management and efficient operation
Solution Approach 2:
The system uses automated solenoid-controlled valve operation and RFID-based monitoring that operates autonomously without manual intervention, achieving both efficient fuel delivery and real-time monitoring while reducing the need for complex manual control systems
4Ease of manufacture
If conventional CNG systems are used, then fuel storage is provided, but assembly time is excessive and leak points are numerous
Solution Approach 1:
The frame assembly integrates multiple components (containers, manifolds, mounting structures) into a single pre-assembled unit, dramatically reducing assembly time and minimizing the number of potential leak points by reducing the total number of connections required
Solution Approach 2:
The frame assembly serves multiple functions simultaneously (structural support, container mounting, manifold integration, safety component housing), eliminating the need for separate assemblies for each function and thereby reducing overall complexity and potential leak points
Data Source
AI summary
Provided is a compressed natural gas (CNG) fuel system that can include a frame and at least one container. The frame can include a first side and a second side, with each side being configured to partly define a portion of an interior space. The at least one container can be configured to house or contain CNG and can be engaged to and partly encased by the frame. The at least one container can be partly located within the interior space of at least one of the first side or the second side. The frame assembly can be engaged to a chassis of a vehicle such that the at least one container is located either at least partially underneath a cab of the vehicle or at least partially behind a cab of the vehicle.