Metal Seal Tube Fitting for Tight Bends and Low Pressure Drop
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Solution Overview
Problem
Existing fluid line connections between components at an angle suffer from leakage, increased pressure drop, and complexity, limiting size, temperature range, and pressure capacity.
Innovation Solution
A block seal fitting assembly with a tube having angled segments and a sealing element, allowing components to be connected at an angle while minimizing pressure drop and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If components are connected at an angle using a block fitting assembly, then the ability to couple components at angles is improved, but the fluid experiences increased pressure drop
Solution Approach 1:
The patent employs curved transition sections within the block fitting assembly to replace sharp angular connections. The curved pathways guide fluid flow smoothly from one component direction to another, reducing turbulence and pressure drop while maintaining the ability to connect components at various angles.
Solution Approach 2:
The invention introduces a three-dimensional internal flow path structure that accommodates angled component connections without forcing the fluid through sharp two-dimensional bends. By utilizing spatial dimensionality within the block assembly, the fluid can transition between directions more gradually, reducing energy loss.
2Adaptability or versatility
If a block fitting assembly with angled flow paths is designed, then components can be coupled at angles, but the manufacturing cost and complexity increase
Solution Approach 1:
The block fitting assembly is designed as a modular component that can be integrated with different tube configurations and component orientations. By segmenting the overall system into standardized blocks and adaptable tube sections, the manufacturing process is simplified while maintaining versatility for angled connections.
Solution Approach 2:
The block fitting assembly is designed as a universal connector that can accommodate various tube angles and configurations through its internal flow path geometry. This multi-functional design allows a single standardized component to serve multiple connection scenarios, reducing the need for custom-manufactured parts for each angle configuration.
3Reliability
If traditional block fitting assemblies are used, then fluid connections are established, but sealing capabilities are insufficient leading to leakage
Solution Approach 1:
The patent introduces an intermediary sealing mechanism within the block fitting assembly that mediates between the tube and the block connection. This sealing element acts as a buffer and barrier, ensuring reliable fluid containment while accommodating slight misalignments or dimensional variations in the assembly.
Solution Approach 2:
The sealing design incorporates parameters such as sealing surface geometry, material properties, and compression forces that can be optimized to enhance sealing performance. By carefully controlling these parameters, the assembly achieves improved leakage prevention while maintaining manufacturability.
Data Source
AI summary
A block fitting assembly comprises a first block having a first opening formed therethrough, a sealing element, and a tube. The tube includes a linearly extending first segment extending through the first opening of the first block and a linearly extending second segment arranged at an angle relative to the first segment. A bend portion of the tube connects the first segment to the second segment. An end portion of the first segment of the tube forms a seal engaging surface of the tube for engaging the sealing element. The end portion of the first segment of the tube further defines at least a portion of the projecting portion of the first block configured for reception in a recess of a corresponding second block.