Thermally Insulated V-Clamp Structure for High-Temperature Joints
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Solution Overview
Problem
Conventional V-Clamps used for high-temperature applications, such as exhaust and turbocharger pipes, suffer from heat loss at the junction, leading to inefficiency in downstream equipment and requiring expensive high-grade stainless steel to withstand temperatures, which limits material options.
Innovation Solution
Incorporating thermal insulating means, such as zirconium oxide or ceramic, on the clamping apparatus to reduce heat transfer and exposure, allowing for the use of more cost-effective materials while maintaining efficiency, with preferred thermal insulation properties of at least 50°C and heat transfer less than 5W/mK.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the clamp is formed from high grade stainless steel to withstand high temperatures, then the clamp can resist heat and maintain structural integrity, but the material cost increases significantly
Solution Approach 1:
The clamp combines two different materials: a base material (such as lower grade stainless steel or alternative metal) for the main structural components and a thermal insulating coating applied to the inner surface. This composite structure allows the clamp to withstand high temperatures through the insulating barrier while using more cost-effective base materials, resolving the contradiction between heat resistance and material cost.
2Loss of energy
If no thermal insulation is provided, then the clamp structure remains simple and cost-effective, but heat loss occurs at the junction leading to downstream equipment inefficiency
Solution Approach 1:
The thermal insulating coating is applied selectively to the inner surface of the clamp where it contacts the pipe, rather than the entire clamp structure. This localized application provides the necessary thermal insulation to prevent heat loss at the junction while keeping the overall clamp structure relatively simple and avoiding excessive complexity in other areas.
3Loss of energy
If thermal insulating material is added to the clamp, then heat loss is reduced and downstream equipment efficiency improves, but the device complexity increases
Solution Approach 1:
The thermal insulating coating is applied as a thin film or coating layer on the inner surface of the clamp rather than as a thick bulk material. This approach provides effective thermal insulation to reduce heat loss while adding minimal structural complexity and maintaining a relatively simple clamp construction that is easy to manufacture and install.
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
The thermal insulating means effectively reduces heat loss, improves equipment efficiency downstream, and enables the use of lower-grade materials for the clamping apparatus, enhancing operational efficiency and reducing material costs.
Implementation Method 1
thermal insulating means provided between the at least one item and the at least one clamping member
Data Source
Figure 1a
Figure 1b
Figure 2a~2b
AI summary
Clamping apparatus (2) for clamping two or more items together in use, said clamping apparatus including at least one clamping member (12) having an inwardly facing surface, or an inner surface arranged to be brought into contact, directly or indirectly, with an outer surface of at least one of the items being clamped in use, and wherein thermal insulating means (22) are provided or associated with the inwardly facing surface, the inner surface and/or between the inner surface of the at least one clamping member (12) and the outer surface of said at least one item.