Movable Barrier Pressure Equalization Liner
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Solution Overview
Problem
Conventional movable barriers fail to mitigate sudden pressure differentials while maintaining privacy and security, as they are not designed to allow airflow, which can lead to damage during rapid changes in ambient pressure.
Innovation Solution
A movable barrier with a deformable liner between two non-planar exterior panels, featuring perforations and a cavity that deforms when a pressure differential exceeds a threshold, allowing airflow while maintaining privacy and security functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If openings are provided in the barrier to allow airflow during pressure differential events, then damage to structures is prevented, but the strength, security, and privacy provided by the barrier are reduced
Solution Approach 1:
The barrier incorporates a deformable liner that dynamically changes its state based on pressure differential conditions. Under normal conditions, the liner maintains a taut state to provide full privacy and security. When pressure differential exceeds a threshold, the liner deforms to allow airflow, preventing structural damage. This dynamic adaptation resolves the contradiction between maintaining barrier integrity and allowing pressure equalization.
Solution Approach 2:
The barrier system changes its physical parameters (liner deformation, cavity volume) in response to pressure differential conditions. The liner's deformation state transitions from a rigid barrier configuration to a flexible airflow-permitting configuration when pressure differential thresholds are exceeded, enabling the system to adapt its barrier properties based on environmental conditions.
2Reliability
If the barrier is designed to maintain privacy and security functions, then strength and security are improved, but the ability to mitigate sudden pressure differentials is reduced
Solution Approach 1:
The deformable liner provides dynamic functionality that adapts to operational conditions. During normal operation, the liner maintains privacy and security by blocking airflow. When pressure differential events occur, the liner automatically deforms to permit airflow, preventing damage. This dynamic behavior allows the barrier to maintain security functions while protecting against pressure differentials.
Solution Approach 2:
The deformable liner acts as an intermediary element between the rigid barrier structure and the pressure differential forces. It absorbs and accommodates pressure differential stresses through controlled deformation, protecting the main barrier structure from damage while maintaining the barrier's primary privacy and security 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
The solution enables rapid pressure equalization during differential pressurization events, preventing damage to structures and ensuring continued safety and security by allowing airflow while maintaining privacy and security functions.
Implementation Method 1
when an air pressure differential acting on a first side of the liner exceeds a pressure differential threshold
Implementation Method 2
deform when an air pressure differential acting on a first side of the liner exceeds a pressure differential threshold
Data Source
AI summary
Certain aspects of the present disclosure provide movable barrier, including: a frame having a first side and a second side parallel to the first side; a first exterior panel connected to the first side of the frame and including: a first non-planar profile; and a first plurality of perforations; a second exterior panel connected to the second side of the frame and including: a second non-planar profile; and a second plurality of perforations; a cavity defined between the first exterior panel and the second exterior panel; and a liner disposed within the cavity and configured to: deform when an air pressure differential acting on a first side of the liner exceeds a pressure differential threshold and allow increased airflow through the movable barrier.