Valve Arrangement Noise Reduction via Detachable Seat
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Solution Overview
Problem
Valve arrangements used in heating and cooling systems often generate noise during operation, reducing user comfort, and existing solutions fail to effectively address noise reduction and valve seat replacement challenges, such as calcination and debris accumulation.
Innovation Solution
A valve arrangement with a pressure regulating valve secured by valve fixing means and inserted through a common opening with the flow control valve, allowing for easy replacement of the valve seat using a tool fixing geometry, which can be fastened to the pressure regulating valve or flow control valve, and providing multiple valve seats with different curvatures and materials to minimize noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the valve seat is made detachable for easy replacement, then the ease of repair is improved, but the device complexity increases due to additional valve fixing means
Solution Approach 1:
The pressure regulating valve is divided into separable components: the valve body and the valve seat become detachable parts. The valve fixing means (screw connection, bayonet quick-lock, or clip-lock) enables the valve seat to be segmented from the valve body for independent replacement, improving repair ease while managing complexity through standardized fastening mechanisms.
2Adaptability or versatility
If multiple valve seats with different curvatures and materials are provided, then the adaptability is improved for noise reduction, but the loss of substance increases due to more replacement options
Solution Approach 1:
Different valve seats are provided with locally optimized properties: various curvatures (different edge radii around the through-opening) and materials are designed to address specific noise generation patterns. This allows selection of the most appropriate valve seat configuration for each application scenario, improving adaptability while managing inventory through targeted variety.
3Device complexity
If the pressure regulating valve and flow control valve are inserted through a common opening, then the device complexity is reduced, but the ease of operation worsens during valve seat replacement
Solution Approach 1:
The pressure regulating valve is segmented into detachable components (valve body and valve seat) that can be accessed through the common opening. The valve fixing means enables sequential disassembly: first detaching the valve body, then accessing and replacing the valve seat, thereby maintaining ease of operation despite the shared opening constraint.
4Reliability
If valve fixing means are used to secure the pressure regulating valve, then the reliability is improved, but the ease of repair worsens due to additional fastening components
Solution Approach 1:
The valve fixing means provides dynamic fastening that balances security and accessibility. Screw connections offer reliable mechanical fastening that can be easily undone; bayonet quick-locks provide snap-fit security with rapid release; clip-locks offer spring-loaded retention with simple disengagement. Each mechanism dynamically adapts between secure mounting and easy removal states.
Data Source
Figure 1~2
Figure 3~5
AI summary
A valve arrangement for controlling a heating or cooling fluid is provided, said valve arrangement comprising a valve housing (2) having an inlet (3) and an outlet (4), and a first valve means and a second valve means, wherein one of the valve means is a pressure regulating valve (15) and one other valve means is a flow control valve (5), and wherein the pressure regulating valve (15) comprises a valve seat (7). It is intended to enhance the comfort of a user in a room to be heated or cooled. To this end the first valve means comprises valve fixing means (14) to detachably secure said first valve means to the valve housing (2), and furthermore the pressure regulating valve (15) and the flow control valve (5) are inserted into the valve housing (2) via a common opening.