Magnetic Telescoping Door Panel Alignment for Anti-Rattle Sliding
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Solution Overview
Problem
Vehicle multi-panel sliding door systems face challenges in minimizing operational effort and reducing noise and vibration, particularly in vehicles with enclosed cargo compartments where traditional hinged or sliding doors do not effectively address these issues.
Innovation Solution
A door assembly featuring magnetic elements located at the door panels and guide grooves, utilizing either attractive or repulsive magnetic forces to guide the panels into contact with the sidewalls of the grooves, thereby reducing noise and vibration by ensuring smooth operation and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional hinged or sliding door mechanisms are used, then the door can be operated between closed and opened positions, but noise and vibration occur during operation
Solution Approach 1:
The patent replaces traditional mechanical contact-based door mechanisms with a magnetic field-based system. Magnets embedded in the door panel and guide groove create magnetic attraction forces that guide the door during sliding operation, eliminating mechanical friction and contact noise while reducing the effort needed to operate the door.
Solution Approach 2:
The patent changes the physical state of the interaction from mechanical contact to magnetic field interaction. By using magnetic field strength as the controlling parameter instead of mechanical force, the system achieves smooth door operation with reduced noise and vibration while maintaining ease of operation.
2Object-affected harmful factors
If magnetic elements are added to reduce noise and vibration, then harmful factors are reduced, but device complexity increases
Solution Approach 1:
The patent applies magnetic elements only at specific locations where they are most effective - embedded in the door panel and guide groove surfaces. This localized application reduces noise and vibration without requiring a complete redesign of the entire door system, thereby limiting the increase in device complexity.
Solution Approach 2:
The patent integrates magnetic materials into the existing door panel and guide groove structures, creating composite components that combine the original structural materials with magnetic properties. This approach adds noise and vibration reduction functionality without significantly increasing overall structural 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
The magnetic force effectively reduces noise and vibration, allowing for effortless operation of the door panels between closed and opened positions, enhancing user experience and reducing operational effort.
Implementation Method 1
One or more first magnetic elements are located at the first door panel, and one or more second magnetic elements are located at the second door panel. A magnetic force between the one or more first magnetic elements and the one or more second magnetic elements urges the first door panel into contact with a sidewall of the first guide groove.
Data Source
AI summary
A door assembly of a vehicle includes a first door panel located in a first guide groove and movable at least partially across a door opening from a first side of the door opening toward a second side of the door opening, and a second door panel spaced apart from the first door panel and located in a second guide groove. The second door panel is movable at least partially across the door opening from the first side toward the second side. One or more first magnetic elements are located at the first door panel, and one or more second magnetic elements disposed at the second door panel. A magnetic force between the one or more first magnetic elements and the one or more second magnetic elements urges the first door panel into contact with a sidewall of the first guide groove.