Differential Pressure Transducer Header With Side Pins
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Solution Overview
Problem
Conventional differential pressure transducer assemblies face difficulties due to the external routing of reference pressure tubes, which can be prone to kinking and damage, and require complex installation processes.
Innovation Solution
The proposed pressure transducer assembly features header pins extending perpendicular to the header axis, allowing for internal routing of port tubing without bending, simplifying the assembly process and enhancing reliability by eliminating the need for external tube routing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external tube routing is used for reference pressure, then the transducer assembly can be assembled, but the tube is prone to kinking and damage, reducing reliability
Solution Approach 1:
The patent merges the reference pressure tube routing from an external path to an internal path through the header. The tube is routed internally through the header structure, eliminating external exposure and bending, which prevents kinking and damage while maintaining assembly capability.
Solution Approach 2:
The patent changes the routing dimension from external 3D space to internal constrained space within the header. By routing the tube through internal passages of the header rather than externally, the tube avoids bending and external damage sources, improving reliability without significantly increasing assembly complexity.
2Ease of manufacture
If external tube routing is used, then pressure can be routed to the sensing element, but the installation process becomes complex and difficult
Solution Approach 1:
The header structure is designed to integrate tube routing passages directly into its body, merging the routing function with the structural component. This eliminates the need for separate external routing operations and reduces assembly steps while protecting the tube internally.
Solution Approach 2:
The header is pre-designed with integrated routing passages during manufacturing, so the tube routing path is established beforehand. This preliminary structuring of the header eliminates complex field installation steps and provides inherent tube protection from the start.
3Device complexity
If header pins extend through the back end of the header, then electrical connections can be made, but the configuration requires additional protective structures and increases complexity
Solution Approach 1:
Instead of extending header pins through the back end of the header as in conventional designs, the patent inverts the approach by routing pins through the front or side of the header. This inversion eliminates the need for additional protective structures while maintaining electrical connection functionality and improving assembly reliability.
Data Source
AI summary
The invention includes differential pressure transducer assembly systems and methods in which headers are configured with header pins that extend perpendicular with respect to an axis of the assembly and through header sidewalls, enabling a compact configuration, ease of assembly, enhanced reliability and/or redundancy. Channels and ports defined in a housing portion of the assembly are configured to enable the use of substantially straight tubing sections for routing main and/or reference pressures to one or more differential sensing elements mounted on the headers. Two or more headers with associated sensing elements can be stacked to provide redundant differential pressure sensing.