Rear Slider Window Assembly With Biasing Rails for Vibration Damping
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional slider window assemblies for vehicle rear openings, such as those in pickup trucks, lack effective vibration damping and alignment maintenance mechanisms, leading to potential misalignment and increased noise during vehicle travel.
Innovation Solution
Incorporation of biasing elements, such as flexible metallic bands or compressible materials, between the movable window panel and the frame rails to absorb vibrations and maintain alignment by urging the panel towards the center of the rail, using guide elements that are either adhesively attached or integrally formed with the panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional slider window assemblies are used without vibration damping mechanisms, then the structure remains simple, but the window panel experiences misalignment and increased noise during vehicle travel
Solution Approach 1:
The patent introduces biasing elements as intermediary components between the movable window panel and the frame rails. These biasing elements serve as mediators that absorb vibrations and maintain alignment without requiring complex active control systems. The biasing elements are positioned at specific locations along the upper edge region of the movable panel to provide localized vibration damping while preserving overall structural simplicity.
Solution Approach 2:
The biasing elements are pre-installed between the movable window panel and the frame rails to provide beforehand cushioning against vibrations. This prior cushioning approach prevents misalignment and noise before they occur during vehicle travel, rather than requiring corrective mechanisms after alignment issues arise. The biasing elements are compressed in advance to ready them for absorbing vibration forces.
2Object-affected harmful factors
If biasing elements are added to dampen vibrations, then noise is reduced and alignment is maintained, but the device complexity increases
Solution Approach 1:
The patent applies biasing elements at specific local positions along the upper edge region of the movable window panel rather than throughout the entire structure. This local quality approach targets the areas most susceptible to vibration and misalignment while avoiding unnecessary components in other regions. The biasing elements are strategically positioned to provide maximum vibration damping with minimum added complexity.
3Ease of operation
If the movable window panel is allowed to move freely along the rail, then ease of operation is improved, but alignment stability deteriorates due to vibrations
Solution Approach 1:
The biasing elements act as intermediary components that allow the movable window panel to slide freely along the rail while simultaneously maintaining alignment stability. These intermediaries are positioned between the panel and the rail to absorb vibrations that would otherwise cause misalignment, thus preserving both ease of operation and alignment stability.
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 solution effectively dampens vibrations and maintains consistent alignment of the movable window panel, reducing noise and ensuring smooth operation during movement between closed and opened positions.
Implementation Method 1
A first biasing element is disposed between a first side of the movable window panel along the upper edge region and a first inner surface of the upper rail along the channel. The first biasing element is at least partially compressed between the first inner surface of the upper rail and the first side of the movable window panel and urges the movable window panel away from the first inner surface of the upper rail.
Implementation Method 2
The first biasing element is at least partially compressed between the first inner surface of the upper rail and the first side of the movable window panel and urges the movable window panel away from the first inner surface of the upper rail.
Data Source
AI summary
A vehicular rear slider window assembly includes a fixed window panel, a movable window panel and a frame portion. An upper edge region of the movable window panel is movably received in a channel of an upper rail of the frame portion. A first biasing element is compressed between a first inner surface of the upper rail and a first side of the movable window panel and urges the movable window panel away from the first inner surface. A second biasing element is compressed between a second inner surface of the upper rail and a second side of the movable window panel and urges the movable window panel away from the second inner surface. As the movable window panel is moved between the closed and opened positions, the first and second biasing elements guide movement of the movable window panel in a direction parallel to a centerline of the channel.