Ceiling-mounted radiating elements
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Solution Overview
Problem
Existing ceiling-mounted radiating profiles face issues with corrosion resistance, appearance, and installation time, particularly in large buildings, due to conventional screw-in coupling and connecting elements that require special tools and result in visible gaps and non-destructive dismantling.
Innovation Solution
A ceiling-mounted radiating element with a core piece and mounting rails that provide a secure, tool-free connection using seals and centering elements, allowing for symmetrical or asymmetrical radiating surface arrangements, and enabling connections without gaps or destructive dismantling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional screw-in coupling and press fittings are used to connect radiating profiles, then the connection method is well established and reliable, but corrosion resistance deteriorates due to exposed unprotected material contact with the medium
Solution Approach 1:
The core piece is inserted into the mounting rail, creating a nested structure where the core piece (containing seals and centering elements) is housed within the mounting rail assembly. This nesting protects the sealing surfaces and connection interfaces from direct contact with the heating/cooling medium, preventing corrosion while maintaining connection reliability.
2Object-affected harmful factors
If galvanized fittings are used for connections, then corrosion resistance is improved, but the tolerance range for water composition becomes very narrow according to standard VDI 2035
Solution Approach 1:
The core piece with seals acts as an intermediary barrier between the galvanized fitting and the heating/cooling medium. The seal material (such as rubber or plastic) isolates the galvanized surface from direct contact with the medium, allowing the use of galvanized fittings while maintaining wide tolerance ranges for water composition, as the seal prevents corrosive interactions.
3Adaptability or versatility
If stainless steel fittings are used instead of galvanized fittings, then the tolerance range for medium composition is widened, but the sale price increases significantly
Solution Approach 1:
Instead of making the entire fitting system from expensive stainless steel, the invention applies local quality by using seals (made of corrosion-resistant materials like rubber or plastic) only at the critical connection points where the medium contacts the fitting. This allows the use of cheaper galvanized fittings for the main structure while achieving wide medium tolerance through localized protective sealing.
4Reliability
If press fittings with manufacturer-specific pressing geometry are used, then connection reliability is improved, but special pressing tools are required which increases installation time and complexity
Solution Approach 1:
The core piece incorporates self-centering elements (such as cam mechanisms or spring-loaded components) that automatically align and secure the connection when the mounting rail is assembled. This self-service mechanism eliminates the need for specialized pressing tools with manufacturer-specific geometry, reducing installation complexity while maintaining reliable connections through the self-adjusting nature of the core piece.
5Ease of manufacture
If conventional connecting elements are used, then the connection method is established, but the distance between connected profiles creates an industrial appearance that is undesired in high design standard buildings
Solution Approach 1:
The core piece with its centering elements and seals merges the functional connection components into a compact integrated assembly that fits within the mounting rail. This merging eliminates the need for separate visible connecting elements and gaps between profiles, creating a seamless appearance that meets high design standards while maintaining the established reliability of conventional connection methods.
6Strength
If press fittings are used for connecting profiles, then connection strength is improved, but the profiles cannot be separated or removed without destruction
Solution Approach 1:
The core piece incorporates dynamic elements such as spring-loaded seals or cam-locked mechanisms that provide strong connection force during operation but can be easily released by reversing the assembly process. This dynamic design maintains strong connections under operating conditions while allowing non-destructive dismantling when needed, unlike rigid press fittings that require destruction for removal.
Data Source
AI summary
Ceiling-mounted radiating elements for heating or cooling rooms, comprising means for connecting the ceiling-mounted radiating elements together, wherein the ceiling-mounted radiating elements comprise at least one through-flow pipe for a heating or cooling medium, and radiating surfaces are arranged radially around said pipe, wherein to connect two ceiling-mounted radiating elements (1, 1′), at least one core piece (2) is provided which allows an operationally tight connection of the through-flow pipes (3) of two ceiling-mounted radiating elements (1, 1′) to be connected, and at least one mounting rail (4) for positioning at least one connecting part (5) is provided, which locks and secures the ceiling-mounted radiating elements (1, 1′) when a connection is produced.