Encapsulated Fluid Heater Vessel With Universal Weld-Groove Base
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing encapsulated fluid heaters require multiple base portion configurations to accommodate varying wall thicknesses for different operating pressures, leading to increased manufacturing complexity and inventory needs.
Innovation Solution
A containment vessel design with a base portion having a uniform configuration that can accommodate main portions with different wall thicknesses and inner diameters, utilizing a frusta-conical peripheral surface section to form a weld receiving groove, allowing a single base portion to be used across multiple pressure ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple base portion configurations are used to accommodate varying wall thicknesses for different operating pressures, then the structural integrity and pressure resistance are improved, but the manufacturing complexity and inventory needs increase
Solution Approach 1:
The base portion is designed with a universal frusta-conical peripheral surface section that can accommodate main portions with different wall thicknesses. This single base configuration serves multiple pressure ranges by forming weld receiving grooves that adapt to varying inner diameters and wall thicknesses, eliminating the need for multiple pressure-specific base designs while maintaining structural integrity
2Strength
If wall thickness is increased for higher operating pressures, then the strength and pressure resistance are improved, but the vessel weight and material expense increase
Solution Approach 1:
The main portion is designed with locally varied wall thicknesses optimized for specific pressure ranges, while the base portion maintains a universal design. This allows each component to have the precise thickness needed for its function without requiring the entire vessel to be over-engineered for maximum pressure, reducing unnecessary material usage and weight
3Strength
If wall thickness is varied for different pressure ranges, then the strength is improved, but the number of unique parts and inventory requirements increase
Solution Approach 1:
The base portion is designed as a universal component that can accommodate main portions with different wall thicknesses and inner diameters. The frusta-conical peripheral surface section forms weld receiving grooves that adapt to various main portion configurations, allowing a single base design to serve multiple pressure ranges and reducing the number of unique base configurations needed
4Ease of manufacture
If the base portion is designed with a uniform configuration, then the manufacturing and inventory are simplified, but the ability to accommodate different wall thicknesses must be maintained
Solution Approach 1:
The base portion incorporates a frusta-conical peripheral surface section that creates a wedge-shaped weld receiving groove. This geometric feature, when viewed in cross-section, provides a gradient that accommodates varying wall thicknesses. The conical shape allows the weld groove to adapt to different inner diameters and wall thicknesses simultaneously, enabling a uniform base design to serve multiple configurations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces the number of base portion configurations needed, simplifying manufacturing and inventory while maintaining structural integrity across a range of operating pressures, and allows for a consistent weld groove formation regardless of inner diameter or thickness variations.
Implementation Method 1
an encapsulated electrical heating element
Data Source
AI summary
A fluid heater for heating fluid at high pressure may comprise a containment vessel with a base portion having a primary face with a peripheral surface section having a substantially frusta-conical shape. The vessel may comprise an elongated main portion having a perimeter wall with a thickness and terminating with a base edge surface. The base edge surface may have a substantially frusta-conical shape such that the base edge surface and the peripheral surface section collectively form a weld receiving groove. A width of the peripheral surface section of the primary face of the base portion may be greater than the thickness of the perimeter wall of the main portion.