Sliding Window Drainage with Vertical Passages
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Solution Overview
Problem
Sliding windows on vehicles and structures face challenges in efficiently draining moisture from their tracks, particularly due to the accumulation of water and debris, which can lead to leakage and blockages, and existing drainage systems are not adequately designed to handle multiple tracks or moving vehicles effectively.
Innovation Solution
The design incorporates vertically oriented drain passages connecting each track directly to the exterior environment, eliminating the risk of blockages and utilizing a unitary blank extrusion method for the window frame and trim ring, ensuring quick water drainage and debris dispersal through airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional drainage systems with horizontal sections and common exit ports are used, then water can be removed from tracks, but the system becomes prone to leakage and blockage due to reverse flow and debris accumulation
Solution Approach 1:
The drainage system is segmented into separate drainage passages for each track, with each passage having its own independent exterior opening. This prevents cross-contamination between tracks and eliminates the common problems of reverse flow and debris accumulation that occur in shared drainage systems.
Solution Approach 2:
The harmful horizontal sections and common exit ports are extracted from the drainage system. Only vertical drainage passages remain, each opening directly to the exterior environment. This eliminates the pathways where reverse flow and debris accumulation occur.
2Adaptability or versatility
If sliding windows are installed on moving vehicles, then mobility is achieved, but water rapidly accumulates in track corners due to air channeling caused by vehicle movement
Solution Approach 1:
Instead of trying to manage water flow in the direction of vehicle movement, the drainage passages are oriented vertically downward, allowing gravity to work independently of the vehicle's motion. This inversion of the drainage approach ensures water drains efficiently regardless of the vehicle's movement or orientation.
Solution Approach 2:
The drainage system transitions from horizontal water management (parallel to vehicle movement) to vertical water management (perpendicular to vehicle movement). Vertical drain passages allow water to drain downward through gravity, unaffected by the horizontal air channeling caused by vehicle motion.
3Reliability
If drainage passages have horizontal sections, then water flow path is established, but debris enters and blocks the outflow from the window frame
Solution Approach 1:
Horizontal sections are completely extracted from the drainage passage design. The passages consist only of vertical downward paths that open directly to the exterior, eliminating the horizontal segments where debris would accumulate and cause blockages.
Solution Approach 2:
The vertical drainage passages with exterior openings allow airflow and rain to naturally clear debris from the passages. The system uses environmental forces (wind and rain) to self-clean the drainage paths, eliminating the need for manual maintenance.
4Object-affected harmful factors
If separate drainage passages for each track are implemented, then debris dispersal is improved, but the device complexity increases
Solution Approach 1:
While maintaining separate drainage passages for each track, the system merges the simplicity of vertical-only geometry and direct exterior openings into each passage. This combination of separation (for debris dispersal) with uniform simple design (vertical passages with exterior openings) achieves effective debris dispersal without excessive complexity.
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 solution enables efficient and continuous drainage of water from sliding window tracks, preventing leakage and blockages, even under harsh conditions, while maintaining a flush or offset profile and accommodating various vehicle and structural configurations.
Implementation Method 1
The drain passages are positioned downwardly from each track through the housing to a position on the surface of the housing, which is in fluid communication with an exterior environment
Implementation Method 2
any debris that enters the passage will quickly be dispersed by the outside air moving across the exterior opening of the passage
Data Source
AI summary
A sliding window for use in an opening in a supporting structure. The window comprises a plurality of glazing materials, an interior trim ring, and a housing having a plurality of tracks and at least one drain passage connecting each track to a surface on the housing. The drain passages are positioned downwardly from each track through the housing to a position on the surface of housing which is in fluid communication with an exterior environment. The components that comprise the window frame that holds the glazing materials can be economically produced from a unitary blank. The vertical orientation of the drain passages limits the possibility that the passages will become blocked, and thus unable to drain the water from the tracks. Furthermore, each drain passage connects the track directly to the exterior environment to avoid the possibility of one drain passage becoming blocked and urging water back into another track.