Feedthrough Housing Contour for Weather-Resistant Wall Sealing
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Solution Overview
Problem
Existing feedthrough housings are not weather-resistant, as water penetration between the housing and device wall can lead to ice formation and mechanical ejection at low temperatures, limiting their external use.
Innovation Solution
A feedthrough housing design featuring a housing member with a circumferential seal and a removable housing cover having a concave contour region towards the wall, allowing water and ice to drain away, maintaining a stable and media-tight connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a feedthrough housing is used with a flat contour at the wall side, then the housing can be easily manufactured and installed, but water penetration between the housing and wall leads to ice formation and mechanical ejection at low temperatures
Solution Approach 1:
The housing cover features a concave contour at the wall side that directs water and snow away from the housing-wall interface. This curved geometric design prevents water accumulation and subsequent ice formation that would otherwise cause mechanical ejection of the housing from the wall at low temperatures.
2Reliability
If a circumferential seal is added to protect against media penetration, then media-tightness is improved, but the complexity of the housing structure increases
Solution Approach 1:
The circumferential seal is integrated directly into the housing cover structure, merging the sealing function with the housing itself. This eliminates the need for separate sealing components while maintaining media-tightness, thereby improving reliability without proportionally increasing device complexity.
3Ease of operation
If the housing cover is made removable for access to cables, then ease of operation and maintenance is improved, but the connection stability between housing and wall may be compromised
Solution Approach 1:
The housing is divided into a stationary housing body that remains secured to the wall and a removable housing cover that provides access to cables. The concave contour and circumferential seal are designed to maintain connection stability of the housing body to the wall while allowing the cover to be removed for maintenance operations.
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 design ensures a weather-resistant and media-tight connection, preventing mechanical loading due to ice formation and allowing for easy installation and maintenance, suitable for external environments.
Implementation Method 1
Water which penetrates between the wall and feedthrough housing can drain away at the short or outer sides of this contour. When, for example, snow accumulates between the wall and feedthrough housing, the snow can also flow away at the side during melting.
Implementation Method 2
The housing member advantageously has at the wall side a circumferential seal which comprises the opening and which thus protects the feedthrough housing at the wall side from the penetration of media.
Implementation Method 3
If water penetrates between the feedthrough housing and device wall, at low temperature the feedthrough housing may be ejected from the device wall as a result of the formation of ice.
Data Source
AI summary
A feedthrough housing (1) for fastening to a wall for one or more lines and/or cables to be fed through comprises a housing body (2) and a matching removable housing cover (3). The housing cover (3) has a region (4, 4′) which is directed towards the wall and has a concave contour.