Vehicle Pressure Cascade Ventilation for Contaminated Probe Handling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing solutions for mobile inspection vehicles face inflexibility in space requirements, energy consumption, and weight due to the integration of additional components for ventilation and air pressure control, making them inefficient for safe operation in mobile and stationary settings.
Innovation Solution
An independent pressure cascade is constructed using a vehicle's own NBC protection system, with pressure relief valves and filters to maintain overpressure within the vehicle compartment and create a controlled ventilation environment, minimizing the need for separate exhaust air conveyance and utilizing existing components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional components (exhaust fans, separate ventilation systems) are integrated into mobile inspection vehicles, then ventilation and air pressure control for safe operation are improved, but space requirements, energy consumption, and weight increase
Solution Approach 1:
The NBC protection system is designed to perform multiple functions: it provides both overpressure protection for crew safety and ventilation for contaminated spaces. The same fan and filter components serve dual purposes, eliminating the need for separate exhaust fans and ventilation systems, thereby reducing energy consumption while maintaining safe operation
Solution Approach 2:
The patent combines the NBC protection system with the ventilation system by integrating the exhaust air conveyor function into the existing NBC fan. The NBC system's overpressure capability and air filtration are merged with the ventilation requirement, creating a unified system that reduces overall energy consumption and component count
2Reliability
If additional components (exhaust fans, separate ventilation systems) are integrated into mobile inspection vehicles, then ventilation and air pressure control for safe operation are improved, but space requirements and weight increase
Solution Approach 1:
The NBC protection system components (fan, filters, pressure control) are designed to serve dual functions: protecting the crew compartment through overpressure and simultaneously providing ventilation for contaminated sample areas. This eliminates the need for separate heavy ventilation equipment, reducing overall vehicle weight while ensuring safe operation
Solution Approach 2:
The patent merges the ventilation system with the NBC protection system by using the same physical components (fan, filters, ducts) for both overpressure protection and contaminated space ventilation. This integration eliminates redundant components and reduces the total weight of the vehicle
3Reliability
If additional components (exhaust fans, separate ventilation systems) are integrated into mobile inspection vehicles, then ventilation and air pressure control for safe operation are improved, but space requirements increase
Solution Approach 1:
The NBC protection system is designed to provide both crew compartment overpressure protection and ventilation for contaminated areas using the same physical infrastructure. The fan, filters, and ductwork serve dual purposes, eliminating the need for separate ventilation equipment and reducing overall space requirements in the mobile vehicle
Solution Approach 2:
The patent combines the ventilation system with the NBC protection system by integrating exhaust air conveyance into the existing NBC fan and ductwork. This merging of functions eliminates redundant components and reduces the total volume occupied by ventilation equipment in the vehicle
4Reliability
If pressure relief valves with filters are used to maintain pressure cascade, then protection from contamination is improved, but device complexity increases
Solution Approach 1:
The NBC protection system's existing overpressure capability and filter components are used to maintain the pressure cascade for contamination protection. The same fan and filters that provide crew protection also maintain the pressure gradient for ventilation, eliminating the need for additional complex pressure control devices
Solution Approach 2:
The system uses its own NBC protection components (fan, filters, pressure control) to simultaneously provide both overpressure protection and ventilation pressure cascade maintenance. This self-service approach avoids adding separate complex devices, as the existing system serves multiple protective functions
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 approach ensures safe operation with minimal exhaust air, protecting operators from contamination while maintaining overpressure, reducing energy consumption and space requirements, and allowing for efficient ventilation and sample analysis without falsifying air quality.
Implementation Method 1
The overpressure build-up and the conveying volume flow of the NBC protection system of the vehicle (object, laboratory, etc.) are used specifically for this purpose
Implementation Method 2
The pressure differences can be adjusted by using pressure relief valves with upstream or downstream filter elements (particulate matter filter) in order to prevent the ingress of contaminated air
Implementation Method 3
a supply air fan creates an internal positive pressure in the interior space compared to the environment
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
The system has a pressure cascade provided between a space, vehicle internal space (2) and an environment (9), where the space accommodates contaminated samples, and an interior space is separated by the space for safe admission of a crew. A supply air blower (12) creates as inner positive pressure in the internal space for the environment, where positive pressure is present in the space opposite to the internal space. A set of pressure relief valves (5, 6) and filters (5.1, 6.1) are integrated between the internal space and the space and between the space and the environment.