Flush Vehicle Window Rail Stop for Shuttle Travel and Drainage
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Solution Overview
Problem
Existing flush window systems in vehicles experience issues with irregular motorized drive movements, moisture accumulation, noise pollution, and complex maintenance, necessitating a solution for reliable guidance and sealing of movable panels.
Innovation Solution
Incorporation of an end fitting forming a mechanical stop at the end of guide rails to prevent excessive shuttle movement, combined with a water management and discharge system to address these issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If motorized drive is used to move the movable panel, then ease of operation is improved, but reliability deteriorates due to excessive and irregular shuttle movement
Solution Approach 1:
The patent applies beforehand cushioning by providing a mechanical stop at the end of the guide rail that limits the shuttle's travel before excessive movement can occur. This preventive mechanical constraint ensures that even if the motorized drive malfunctions or receives incorrect signals, the shuttle cannot move beyond the predetermined safe position, thus maintaining reliability while preserving ease of operation through motorized actuation.
2Manufacturing precision
If guide rails are used to guide the movable panel, then manufacturing precision is improved, but object-generated harmful factors worsen due to moisture accumulation and noise
Solution Approach 1:
The patent applies taking out by extracting the harmful effects of moisture accumulation and noise from the guide rail system. This is achieved by designing the guide rail with features that prevent moisture trapping and by incorporating noise-damping elements, thus maintaining the manufacturing precision benefits of guided movement while eliminating the harmful byproducts.
3Reliability
If complex water management system is added to manage moisture in rails, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent applies merging by combining the water management function with the existing guide rail structure. Rather than adding a separate complex water management system, the drainage and moisture management features are integrated directly into the guide rail design, maintaining reliability through effective moisture control while minimizing additional complexity by unifying functions within the existing structural elements.
Data Source
AI summary
A closing device of an opening provided in a structure, comprising a fixed part, wherein an opening is defined, and at least one sliding movable panel guided along two guide rails fitted on one face of the fixed panel, between a closing position, sealing the opening, in a sealing plane defined by the fixed panel, and at least one opening position, in a sliding plane, substantially parallel with the sealing plane, each of the rails bearing at least one shuttle guided in translation in the rail, movable in translation in the guide rails, and switching the movable panel from the sealing position to the at least one sliding position, and slidably moving the movable panel in the sealing plane. According to the invention, at least one of the rails bears, at one of the ends thereof, an end fitting forming a mechanical stop defining a stop position for the shuttle.