Dissolution Vessel Centering via Integral Flange Groove
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Solution Overview
Problem
Existing dissolution testing apparatuses face challenges in achieving accurate concentricity and verticality of vessels when mounted, leading to improper alignment with instruments, which affects the precision of measurements and data validity.
Innovation Solution
A vessel design featuring a cylindrical section, bottom section, lower ring, and upper ring, where the lower ring's annular lateral portion fits into a groove on the vessel's outside surface, and the upper ring securely engages with the lower ring's flange surface, ensuring the inside vessel surface is parallel to the vessel support member, thus maintaining concentricity and verticality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional mounting methods are used, then vessel installation is simple, but concentricity and verticality alignment precision deteriorates
Solution Approach 1:
The vessel incorporates self-centering features including an integrated flange with centering lugs that automatically align with corresponding features in the mounting plate aperture, enabling the vessel to self-align during installation without requiring external centering tools or complex adjustment procedures
Solution Approach 2:
The patent introduces centering lugs as intermediary elements that fit into corresponding recesses or align with features in the mounting plate, serving as a mechanical mediator to establish precise concentric alignment between the vessel and the mounting aperture before final securing
2Measurement precision
If manual centering adjustment is performed, then alignment precision may improve, but installation time and operational complexity increases
Solution Approach 1:
The self-centering flange design with integrated alignment features allows the vessel to automatically position itself concentrically within the mounting aperture during installation, eliminating the need for manual centering adjustments and reducing installation time while maintaining precise alignment
Solution Approach 2:
The centering lugs and corresponding recesses are pre-configured in specific positions on the flange, establishing the correct concentric alignment geometry before the vessel is mounted, so that proper alignment is achieved automatically as part of the installation process rather than requiring subsequent adjustment
Data Source
AI summary
A vessel includes a cylindrical section, a bottom section, a lower ring, and an upper ring. The cylindrical section includes an inside and, an outside vessel surfaces, an upper end region terminating at a rim circumscribing a vessel opening, a vessel groove formed at the outside vessel surface in the upper end region, and a lower end region axially spaced from the upper end region. The bottom section is disposed at the lower end region. The lower ring includes annular lateral and an annular flange portions. The lateral portion is disposed in the vessel groove and includes an outer lateral surface concentric with the inside vessel surface. The flange portion includes an upper and a lower flange surfaces perpendicular to the inside vessel surface. The upper ring includes an inner section extending over at least a portion of the rim, and an outer section securely engaging the upper flange surface.