Minimum Pressure Valve Segmented Subassembly for Maintenance
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Solution Overview
Problem
Maintenance of traditional minimum pressure valves is time-consuming, ergonomically challenging, and potentially dangerous, with exposure to dirt and contamination, due to their weight and the need for full dismantling, which can lead to wear and air leaks.
Innovation Solution
A redesigned minimum pressure valve with a subassembly that can be easily assembled and disassembled through a side wall opening, reducing the need for full dismantling and allowing for ergonomic handling, using seals that do not require reuse and providing partial coverage to prevent contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the minimum pressure valve is fully dismantled for maintenance, then the seals and slide rings can be replaced, but the maintenance process becomes time-consuming and ergonomically challenging due to the valve's weight
Solution Approach 1:
The minimum pressure valve is divided into a removable subassembly containing the valve body, piston, seals, and slide rings that can be detached from the housing. This segmentation allows maintenance personnel to access and replace wear-prone components without dismantling the entire valve, significantly reducing maintenance time and improving ergonomics while maintaining full repair capability
2Ease of repair
If the minimum pressure valve is fully dismantled for maintenance, then the seals and slide rings can be replaced, but the process becomes potentially dangerous and exposes the technician to dirt and contamination
Solution Approach 1:
By segmenting the valve into a removable subassembly, the maintenance work can be performed on a smaller, more manageable component that can be handled safely by one person. The reduced size and weight of the subassembly minimize exposure to harmful factors while maintaining full access to seals and slide rings for replacement
Solution Approach 2:
The subassembly is extracted from the housing as a complete unit for maintenance. This extraction allows the technician to work on the subassembly in a controlled environment away from the compressor system, reducing exposure to dirt, moisture, and other contaminants present in the operating environment
3Ease of operation
If the minimum pressure valve is made lighter for easier handling, then ergonomic maintenance is improved, but the structural integrity and sealing capability may be compromised
Solution Approach 1:
The valve is segmented into a subassembly that contains all critical sealing components (valve body, piston, seals, slide rings). This subassembly is designed to be lighter than the complete valve while maintaining full sealing capability through the integrated design of the sealing surfaces and components within the subassembly boundaries
4Ease of repair
If the minimum pressure valve is fully dismantled for maintenance, then all components can be inspected, but the complexity of reassembly increases
Solution Approach 1:
The valve is segmented into a modular subassembly that maintains its internal component relationships. This segmentation reduces reassembly complexity by allowing the subassembly to be reinstalled as a pre-assembled unit, eliminating the need to manually reposition multiple internal components and reducing the risk of assembly errors
Data Source
AI summary
A minimum pressure valve (10) comprising a housing (17) with the valve inlet (11) and the valve outlet (12) connected with each other by a chamber and connecting space (22a, 22b), the minimum pressure valve (10) also comprising a valve body (21) set up in a chamber (20) moveably between a closed position in which the valve inlet (11) is closed and an open position in which the valve inlet (11) is open, the minimum pressure valve (10) also comprising components which are provided with a seal and/or sliding parts (24, 26, 30), whereby a subassembly (22) of the minimum pressure valve (10) can be disassembled and/or assembled through an opening (31) in the housing (17).