Helmet Respiratory Hood Assembly for Lightweight Pressurized Support
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Solution Overview
Problem
Conventional helmet-based respiratory assistance devices are bulky, uncomfortable, and difficult to manufacture due to their numerous components, leading to user discomfort and high production costs.
Innovation Solution
A helmet-based respiratory assistance device with a hood body, inflow and outflow ports, anti-asphyxiation valves, and a neck seal, featuring elastically flexible materials and a design that allows for easy assembly without mechanical attachments, along with dual anti-asphyxiation valves for redundancy and comfort, and a pressure gauge for monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional respiratory assistance devices use many component parts, then they provide functional respiratory assistance, but they become heavy and bulky creating discomfort to the user
Solution Approach 1:
The patent merges multiple functional components into a single integrated helmet structure. The helmet body incorporates the respiratory assistance function, anti-asphyxiation valves, and airflow control mechanisms as integrated features rather than separate components, thereby reducing overall device weight and bulk while maintaining respiratory assistance functionality.
Solution Approach 2:
The helmet serves multiple functions simultaneously: it provides respiratory assistance through integrated airflow control, ensures safety through anti-asphyxiation valves, and offers comfort through a streamlined design. This multi-functionality eliminates the need for separate devices, reducing total weight and improving user comfort.
2Reliability
If conventional respiratory assistance devices use many component parts, then they provide functional respiratory assistance, but they become difficult and expensive to manufacture
Solution Approach 1:
By combining multiple components into a single integrated helmet structure, the manufacturing process is simplified. The integrated design reduces the number of assembly steps, lowers production costs, and makes the device easier to manufacture while maintaining all necessary respiratory assistance functions.
Solution Approach 2:
The helmet is designed with modular segmentation that allows for easy assembly. The helmet body, valves, and airflow control mechanisms are segmented into manageable sections that can be manufactured separately and then assembled, reducing manufacturing complexity and cost while ensuring functional reliability.
3Reliability
If a sealing member is moved to cover the opening in closed configuration, then gas passage is allowed into the hood body pressurizing it, but the sealing member requires force to maintain closed position
Solution Approach 1:
The sealing member is designed to be self-regulating through pressure differential. When the hood body is pressurized, the pressure differential automatically maintains the sealing member in the closed position without requiring external force. The system uses its own operational parameter (pressure) to maintain the sealing state.
Solution Approach 2:
The sealing member is designed as a dynamic component that responds to pressure changes. It automatically adjusts its position based on the pressure differential between the hood body interior and exterior, transitioning between closed and open states as needed without requiring manual intervention or sustained external force.
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 device provides effective respiratory assistance with improved comfort and reduced weight, ensuring reliable airflow and user convenience while minimizing manufacturing complexity and cost.
Implementation Method 1
allowing a passage of gas into the hood body, thereby pressurizing the hood body. In the closed configuration, a force of pressure exerts against the sealing member.
Implementation Method 2
In the open configuration, no or minimal pressure is present to exert against the sealing member. The sealing member may be in the open configuration in a relaxed or rest state.
Data Source
AI summary
A helmet-based respiratory assistance device is disclosed. The device comprises a hood body with an open end, dimensioned to house a user's head therein, an inflow port and an outflow port flowingly connected to the hood body, and an anti-asphyxiation valve arranged in one of the inflow port and the outflow port. In some embodiments an access port is arranged on the hood body. The access port may comprise a first sealing layer and a second sealing layer attachable to the first sealing layer. The first and second sealing layers are arranged to allow rapid access to the user when the user's head is housed within the hood body.