Monolithic Valve Block for Brass Instruments
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Solution Overview
Problem
Traditional valved brass instruments face manufacturing and maintenance challenges due to the need for high precision assembly, susceptibility to damage from impact, and costly repairs, particularly for student-level instruments, where issues like sticking valves and loose spanner braces lead to performance issues and high repair costs.
Innovation Solution
A monolithic valve block with coaxial air ingress and outlet ports and transverse connecting passageways, formed from aluminum or polymeric materials, eliminates the need for spanner braces and connecting knuckles, simplifying assembly and reducing the risk of damage, while manifolds provide ease of repair and impact resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional valve assemblies with separate valve casings and spanner braces are used, then the instrument can be assembled with modular components, but the assembly requires high precision and is susceptible to impact damage
Solution Approach 1:
The patent merges multiple separate valve casings and connecting components into a single monolithic valve block. This integration eliminates the need for spanner braces and connecting knuckles, thereby simplifying assembly while simultaneously improving impact resistance by removing vulnerable joints and reducing the number of potential failure points.
2Ease of manufacture
If multiple separate valve casings connected by spanner braces are used, then the instrument allows for modular assembly, but repair costs increase and maintenance becomes more complex
Solution Approach 1:
By consolidating multiple valve casings and connecting components into a single monolithic valve block, the patent reduces the number of parts that can fail or require maintenance. This integration simplifies repair procedures by eliminating the need to replace multiple separate components, thereby reducing repair costs and maintenance complexity.
3Ease of manufacture
If traditional valve assemblies with connecting knuckles are used, then the instrument can be assembled from separate components, but the structure is more prone to sticking valves and performance issues
Solution Approach 1:
The patent integrates the valve mechanisms directly into the monolithic valve block, eliminating connecting knuckles and spanner braces that can cause sticking or misalignment. This direct integration ensures more reliable valve operation by removing the sources of mechanical interference and alignment errors that plague traditional modular assemblies.
Data Source
AI summary
A valve block for a valve assembly of a wind musical instrument, said valve block comprising a monolithic structure having a plurality of parallel and linearly spaced apart valve bores extending at least partially therethrough and for receiving a corresponding plurality of valve pistons therein an air ingress port extending through the valve block from external of the valve block and providing fluid communication between external of the valve block and a first valve bore; an air outlet port extending through the valve block from external of the valve block and providing fluid communication between external of the valve block and a further valve bore; transverse connecting passageways for providing fluid communication between adjacent valve bores; and a plurality of pairs of tuning section ports with each pair extending through the valve block from external of the valve block and providing fluid communication between external of the valve block and a valve bore.